doc: create_group_chat_unencrypted() may lead to chat split on the first device

2026-04-06 15:42:10 +03:00 · 2025-07-25 07:15:37 -03:00
199 changed files with 6655 additions and 13901 deletions
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -7,8 +7,6 @@ updates:
    commit-message:
      prefix: "chore(cargo)"
    open-pull-requests-limit: 50
-    cooldown:
-      default-days: 7

  # Keep GitHub Actions up to date.
  # <https://docs.github.com/en/code-security/dependabot/working-with-dependabot/keeping-your-actions-up-to-date-with-dependabot>
@@ -16,5 +14,3 @@ updates:
    directory: "/"
    schedule:
      interval: "weekly"
-    cooldown:
-      default-days: 7
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,7 +20,7 @@ permissions: {}

 env:
  RUSTFLAGS: -Dwarnings
-  RUST_VERSION: 1.91.0
+  RUST_VERSION: 1.88.0

  # Minimum Supported Rust Version
  MSRV: 1.85.0
@@ -30,7 +30,7 @@ jobs:
    name: Lint Rust
    runs-on: ubuntu-latest
    steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v4
        with:
          show-progress: false
          persist-credentials: false
@@ -53,7 +53,7 @@ jobs:
    name: cargo deny
    runs-on: ubuntu-latest
    steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v4
        with:
          show-progress: false
          persist-credentials: false
@@ -67,12 +67,10 @@ jobs:
    name: Check provider database
    runs-on: ubuntu-latest
    steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v4
        with:
          show-progress: false
          persist-credentials: false
-      - name: Install rustfmt
-        run: rustup component add --toolchain stable-x86_64-unknown-linux-gnu rustfmt
      - name: Check provider database
        run: scripts/update-provider-database.sh

@@ -82,7 +80,7 @@ jobs:
    env:
      RUSTDOCFLAGS: -Dwarnings
    steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v4
        with:
          show-progress: false
          persist-credentials: false
@@ -117,7 +115,7 @@ jobs:
        shell: bash
        if: matrix.rust == 'latest'

-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v4
        with:
          show-progress: false
          persist-credentials: false
@@ -139,12 +137,12 @@ jobs:
      - name: Tests
        env:
          RUST_BACKTRACE: 1
-        run: cargo nextest run --workspace --locked
+        run: cargo nextest run --workspace

      - name: Doc-Tests
        env:
          RUST_BACKTRACE: 1
-        run: cargo test --workspace --locked --doc
+        run: cargo test --workspace --doc

      - name: Test cargo vendor
        run: cargo vendor
@@ -156,7 +154,7 @@ jobs:
        os: [ubuntu-latest, macos-latest]
    runs-on: ${{ matrix.os }}
    steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v4
        with:
          show-progress: false
          persist-credentials: false
@@ -181,7 +179,7 @@ jobs:
        os: [ubuntu-latest, macos-latest, windows-latest]
    runs-on: ${{ matrix.os }}
    steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v4
        with:
          show-progress: false
          persist-credentials: false
@@ -203,7 +201,7 @@ jobs:
    name: Python lint
    runs-on: ubuntu-latest
    steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v4
        with:
          show-progress: false
          persist-credentials: false
@@ -228,9 +226,9 @@ jobs:
        include:
          # Currently used Rust version.
          - os: ubuntu-latest
-            python: 3.14
+            python: 3.13
          - os: macos-latest
-            python: 3.14
+            python: 3.13

          # PyPy tests
          - os: ubuntu-latest
@@ -246,19 +244,19 @@ jobs:

    runs-on: ${{ matrix.os }}
    steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v4
        with:
          show-progress: false
          persist-credentials: false

      - name: Download libdeltachat.a
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v4
        with:
          name: ${{ matrix.os }}-libdeltachat.a
          path: target/debug

      - name: Install python
-        uses: actions/setup-python@v6
+        uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python }}

@@ -281,11 +279,11 @@ jobs:
      matrix:
        include:
          - os: ubuntu-latest
-            python: 3.14
+            python: 3.13
          - os: macos-latest
-            python: 3.14
+            python: 3.13
          - os: windows-latest
-            python: 3.14
+            python: 3.13

          # PyPy tests
          - os: ubuntu-latest
@@ -299,13 +297,13 @@ jobs:

    runs-on: ${{ matrix.os }}
    steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v4
        with:
          show-progress: false
          persist-credentials: false

      - name: Install python
-        uses: actions/setup-python@v6
+        uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python }}

@@ -313,7 +311,7 @@ jobs:
        run: pip install tox

      - name: Download deltachat-rpc-server
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v4
        with:
          name: ${{ matrix.os }}-deltachat-rpc-server
          path: target/debug
--- a/.github/workflows/deltachat-rpc-server.yml
+++ b/.github/workflows/deltachat-rpc-server.yml
@@ -30,11 +30,11 @@ jobs:
        arch: [aarch64, armv7l, armv6l, i686, x86_64]
    runs-on: ubuntu-latest
    steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v4
        with:
          show-progress: false
          persist-credentials: false
-      - uses: cachix/install-nix-action@fd24c48048070c1be9acd18c9d369a83f0fe94d7 # v31
+      - uses: DeterminateSystems/nix-installer-action@main

      - name: Build deltachat-rpc-server binaries
        run: nix build .#deltachat-rpc-server-${{ matrix.arch }}-linux
@@ -54,11 +54,11 @@ jobs:
        arch: [win32, win64]
    runs-on: ubuntu-latest
    steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v4
        with:
          show-progress: false
          persist-credentials: false
-      - uses: cachix/install-nix-action@fd24c48048070c1be9acd18c9d369a83f0fe94d7 # v31
+      - uses: DeterminateSystems/nix-installer-action@main

      - name: Build deltachat-rpc-server binaries
        run: nix build .#deltachat-rpc-server-${{ matrix.arch }}
@@ -79,7 +79,7 @@ jobs:

    runs-on: macos-latest
    steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v4
        with:
          show-progress: false
          persist-credentials: false
@@ -105,11 +105,11 @@ jobs:
        arch: [arm64-v8a, armeabi-v7a]
    runs-on: ubuntu-latest
    steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v4
        with:
          show-progress: false
          persist-credentials: false
-      - uses: cachix/install-nix-action@fd24c48048070c1be9acd18c9d369a83f0fe94d7 # v31
+      - uses: DeterminateSystems/nix-installer-action@main

      - name: Build deltachat-rpc-server binaries
        run: nix build .#deltachat-rpc-server-${{ matrix.arch }}-android
@@ -132,74 +132,74 @@ jobs:
      contents: write
    runs-on: "ubuntu-latest"
    steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v4
        with:
          show-progress: false
          persist-credentials: false
-      - uses: cachix/install-nix-action@fd24c48048070c1be9acd18c9d369a83f0fe94d7 # v31
+      - uses: DeterminateSystems/nix-installer-action@main

      - name: Download Linux aarch64 binary
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v4
        with:
          name: deltachat-rpc-server-aarch64-linux
          path: deltachat-rpc-server-aarch64-linux.d

      - name: Download Linux armv7l binary
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v4
        with:
          name: deltachat-rpc-server-armv7l-linux
          path: deltachat-rpc-server-armv7l-linux.d

      - name: Download Linux armv6l binary
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v4
        with:
          name: deltachat-rpc-server-armv6l-linux
          path: deltachat-rpc-server-armv6l-linux.d

      - name: Download Linux i686 binary
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v4
        with:
          name: deltachat-rpc-server-i686-linux
          path: deltachat-rpc-server-i686-linux.d

      - name: Download Linux x86_64 binary
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v4
        with:
          name: deltachat-rpc-server-x86_64-linux
          path: deltachat-rpc-server-x86_64-linux.d

      - name: Download Win32 binary
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v4
        with:
          name: deltachat-rpc-server-win32
          path: deltachat-rpc-server-win32.d

      - name: Download Win64 binary
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v4
        with:
          name: deltachat-rpc-server-win64
          path: deltachat-rpc-server-win64.d

      - name: Download macOS binary for x86_64
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v4
        with:
          name: deltachat-rpc-server-x86_64-macos
          path: deltachat-rpc-server-x86_64-macos.d

      - name: Download macOS binary for aarch64
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v4
        with:
          name: deltachat-rpc-server-aarch64-macos
          path: deltachat-rpc-server-aarch64-macos.d

      - name: Download Android binary for arm64-v8a
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v4
        with:
          name: deltachat-rpc-server-arm64-v8a-android
          path: deltachat-rpc-server-arm64-v8a-android.d

      - name: Download Android binary for armeabi-v7a
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v4
        with:
          name: deltachat-rpc-server-armeabi-v7a-android
          path: deltachat-rpc-server-armeabi-v7a-android.d
@@ -224,7 +224,7 @@ jobs:

      # Python 3.11 is needed for tomllib used in scripts/wheel-rpc-server.py
      - name: Install python 3.12
-        uses: actions/setup-python@v6
+        uses: actions/setup-python@v5
        with:
          python-version: 3.12

@@ -285,76 +285,76 @@ jobs:
      # Needed to publish the binaries to the release.
      contents: write
    steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v4
        with:
          show-progress: false
          persist-credentials: false
-      - uses: actions/setup-python@v6
+      - uses: actions/setup-python@v5
        with:
          python-version: "3.11"

      - name: Download Linux aarch64 binary
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v4
        with:
          name: deltachat-rpc-server-aarch64-linux
          path: deltachat-rpc-server-aarch64-linux.d

      - name: Download Linux armv7l binary
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v4
        with:
          name: deltachat-rpc-server-armv7l-linux
          path: deltachat-rpc-server-armv7l-linux.d

      - name: Download Linux armv6l binary
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v4
        with:
          name: deltachat-rpc-server-armv6l-linux
          path: deltachat-rpc-server-armv6l-linux.d

      - name: Download Linux i686 binary
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v4
        with:
          name: deltachat-rpc-server-i686-linux
          path: deltachat-rpc-server-i686-linux.d

      - name: Download Linux x86_64 binary
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v4
        with:
          name: deltachat-rpc-server-x86_64-linux
          path: deltachat-rpc-server-x86_64-linux.d

      - name: Download Win32 binary
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v4
        with:
          name: deltachat-rpc-server-win32
          path: deltachat-rpc-server-win32.d

      - name: Download Win64 binary
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v4
        with:
          name: deltachat-rpc-server-win64
          path: deltachat-rpc-server-win64.d

      - name: Download macOS binary for x86_64
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v4
        with:
          name: deltachat-rpc-server-x86_64-macos
          path: deltachat-rpc-server-x86_64-macos.d

      - name: Download macOS binary for aarch64
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v4
        with:
          name: deltachat-rpc-server-aarch64-macos
          path: deltachat-rpc-server-aarch64-macos.d

      - name: Download Android binary for arm64-v8a
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v4
        with:
          name: deltachat-rpc-server-arm64-v8a-android
          path: deltachat-rpc-server-arm64-v8a-android.d

      - name: Download Android binary for armeabi-v7a
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v4
        with:
          name: deltachat-rpc-server-armeabi-v7a-android
          path: deltachat-rpc-server-armeabi-v7a-android.d
@@ -401,7 +401,7 @@ jobs:
            deltachat-rpc-server/npm-package/*.tgz

      # Configure Node.js for publishing.
-      - uses: actions/setup-node@v6
+      - uses: actions/setup-node@v4
        with:
          node-version: 20
          registry-url: "https://registry.npmjs.org"
--- a/.github/workflows/jsonrpc-client-npm-package.yml
+++ b/.github/workflows/jsonrpc-client-npm-package.yml
@@ -14,12 +14,12 @@ jobs:
      id-token: write
      contents: read
    steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v4
        with:
          show-progress: false
          persist-credentials: false

-      - uses: actions/setup-node@v6
+      - uses: actions/setup-node@v4
        with:
          node-version: 20
          registry-url: "https://registry.npmjs.org"
--- a/.github/workflows/jsonrpc.yml
+++ b/.github/workflows/jsonrpc.yml
@@ -16,12 +16,12 @@ jobs:
  build_and_test:
    runs-on: ubuntu-latest
    steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v4
        with:
          show-progress: false
          persist-credentials: false
      - name: Use Node.js 18.x
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@v4
        with:
          node-version: 18.x
      - name: Add Rust cache
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.yml
@@ -5,12 +5,10 @@ on:
    paths:
      - flake.nix
      - flake.lock
-      - .github/workflows/nix.yml
  push:
    paths:
      - flake.nix
      - flake.lock
-      - .github/workflows/nix.yml
    branches:
      - main

@@ -21,12 +19,15 @@ jobs:
    name: check flake formatting
    runs-on: ubuntu-latest
    steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v4
        with:
          show-progress: false
          persist-credentials: false
-      - uses: cachix/install-nix-action@fd24c48048070c1be9acd18c9d369a83f0fe94d7 # v31
-      - run: nix fmt flake.nix -- --check
+      - uses: DeterminateSystems/nix-installer-action@main
+      - run: nix fmt
+
+      # Check that formatting does not change anything.
+      - run: git diff --exit-code

  build:
    name: nix build
@@ -80,11 +81,11 @@ jobs:
          #- deltachat-rpc-server-x86_64-android
          #- deltachat-rpc-server-x86-android
    steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v4
        with:
          show-progress: false
          persist-credentials: false
-      - uses: cachix/install-nix-action@fd24c48048070c1be9acd18c9d369a83f0fe94d7 # v31
+      - uses: DeterminateSystems/nix-installer-action@main
      - run: nix build .#${{ matrix.installable }}

  build-macos:
@@ -95,15 +96,14 @@ jobs:
      matrix:
        installable:
          - deltachat-rpc-server
-          - deltachat-rpc-server-x86_64-darwin

-          # Fails to build
-          # because of <https://github.com/NixOS/nixpkgs/issues/413910>.
+          # Fails to bulid
          # - deltachat-rpc-server-aarch64-darwin
+          # - deltachat-rpc-server-x86_64-darwin
    steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v4
        with:
          show-progress: false
          persist-credentials: false
-      - uses: cachix/install-nix-action@fd24c48048070c1be9acd18c9d369a83f0fe94d7 # v31
+      - uses: DeterminateSystems/nix-installer-action@main
      - run: nix build .#${{ matrix.installable }}
--- a/.github/workflows/publish-deltachat-rpc-client-pypi.yml
+++ b/.github/workflows/publish-deltachat-rpc-client-pypi.yml
@@ -13,7 +13,7 @@ jobs:
    runs-on: ubuntu-latest

    steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v4
        with:
          show-progress: false
          persist-credentials: false
@@ -42,7 +42,7 @@ jobs:

    steps:
      - name: Download all the dists
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v4
        with:
          name: python-package-distributions
          path: dist/
--- a/.github/workflows/repl.yml
+++ b/.github/workflows/repl.yml
@@ -14,11 +14,11 @@ jobs:
    name: Build REPL example
    runs-on: ubuntu-latest
    steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v4
        with:
          show-progress: false
          persist-credentials: false
-      - uses: cachix/install-nix-action@fd24c48048070c1be9acd18c9d369a83f0fe94d7 # v31
+      - uses: DeterminateSystems/nix-installer-action@main
      - name: Build
        run: nix build .#deltachat-repl-win64
      - name: Upload binary
--- a/.github/workflows/upload-docs.yml
+++ b/.github/workflows/upload-docs.yml
@@ -13,7 +13,7 @@ jobs:
    runs-on: ubuntu-latest

    steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v4
        with:
          show-progress: false
          persist-credentials: false
@@ -31,12 +31,12 @@ jobs:
    runs-on: ubuntu-latest

    steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v4
        with:
          show-progress: false
          persist-credentials: false
          fetch-depth: 0 # Fetch history to calculate VCS version number.
-      - uses: cachix/install-nix-action@fd24c48048070c1be9acd18c9d369a83f0fe94d7 # v31
+      - uses: DeterminateSystems/nix-installer-action@main
      - name: Build Python documentation
        run: nix build .#python-docs
      - name: Upload to py.delta.chat
@@ -50,12 +50,12 @@ jobs:
    runs-on: ubuntu-latest

    steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v4
        with:
          show-progress: false
          persist-credentials: false
          fetch-depth: 0 # Fetch history to calculate VCS version number.
-      - uses: cachix/install-nix-action@fd24c48048070c1be9acd18c9d369a83f0fe94d7 # v31
+      - uses: DeterminateSystems/nix-installer-action@main
      - name: Build C documentation
        run: nix build .#docs
      - name: Upload to c.delta.chat
@@ -72,13 +72,13 @@ jobs:
        working-directory: ./deltachat-jsonrpc/typescript

    steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v4
        with:
          show-progress: false
          persist-credentials: false
          fetch-depth: 0 # Fetch history to calculate VCS version number.
      - name: Use Node.js
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@v4
        with:
          node-version: '18'
      - name: npm install
--- a/.github/workflows/upload-ffi-docs.yml
+++ b/.github/workflows/upload-ffi-docs.yml
@@ -16,7 +16,7 @@ jobs:
    runs-on: ubuntu-latest

    steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v4
        with:
          show-progress: false
          persist-credentials: false
--- a/.github/workflows/zizmor-scan.yml
+++ b/.github/workflows/zizmor-scan.yml
@@ -14,18 +14,18 @@ jobs:
      security-events: write
    steps:
      - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v4
        with:
          persist-credentials: false

      - name: Install the latest version of uv
-        uses: astral-sh/setup-uv@3259c6206f993105e3a61b142c2d97bf4b9ef83d
+        uses: astral-sh/setup-uv@v6

      - name: Run zizmor
        run: uvx zizmor --format sarif . > results.sarif

      - name: Upload SARIF file
-        uses: github/codeql-action/upload-sarif@v4
+        uses: github/codeql-action/upload-sarif@v3
        with:
          sarif_file: results.sarif
          category: zizmor
--- a/.gitignore
+++ b/.gitignore
@@ -36,7 +36,6 @@ deltachat-ffi/xml
 coverage/
 .DS_Store
 .vscode
-.zed
 python/accounts.txt
 python/all-testaccounts.txt
 tmp/
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,529 +1,5 @@
 # Changelog

-## [2.24.0] - 2025-11-03
-
-### Documentation
-
- Comment why spaced en dash is used to separate message Subject from text.
-
-### Features / Changes
-
- [**breaking**] QR codes and symmetric encryption for broadcast channels ([#7268](https://github.com/chatmail/core/pull/7268)).
-  - A new QR type AskJoinBroadcast; cloning a broadcast
-    channel is no longer possible; manually adding a member to a broadcast
-    channel is no longer possible (the only way to join a channel is scanning a QR code or clicking a link)
-
-### Refactor
-
- Split "transport" module out of "login_param".
-
-## [2.23.0] - 2025-11-01
-
-### API-Changes
-
- Make `dc_chat_is_protected` always return 0.
- [**breaking**] Remove public APIs to check if the chat is protected.
- [**breaking**] Remove APIs to create protected chats.
- [**breaking**] Remove Chat.is_protected().
- deltachat-rpc-client: Add Account.add_transport_from_qr() API.
- JSON-RPC: add `get_push_state` to check push notification state ([#7356](https://github.com/chatmail/core/pull/7356)).
- JSON-RPC: remove unused TypeScript constants ([#7355](https://github.com/chatmail/core/pull/7355)).
- Remove `Config::SentboxWatch` ([#7178](https://github.com/chatmail/core/pull/7178)).
- Remove `Config::ConfiguredSentboxFolder` and everything related.
-
-### Build system
-
- Ignore configuration for the zed editor ([#7322](https://github.com/chatmail/core/pull/7322)).
- nix: Fix build of deltachat-rpc-server-x86_64-darwin.
- Update rand to 0.9.
- Do not install `pdbpp` in the test environment for CFFI Python bindings.
- Migrate from tokio-tar to astral-tokio-tar.
- deps: Bump actions/setup-node from 5 to 6.
- deps: Bump cachix/install-nix-action from 31.8.0 to 31.8.1.
- Fix Rust 1.91.0 lint for derivable Default.
-
-### CI
-
- Pin GitHub action `astral-sh/setup-uv`.
- Set 7 days cooldown on Dependabot updates.
- Update Rust to 1.91.0.
-
-### Documentation
-
- Document Autocrypt-Gossip `_verified` attribute.
-
-### Features/Changes
-
-Metadata reduction:
- Protect Autocrypt header.
- Anonymize OpenPGP recipients (temorarily disabled due to interoperability problems, see <https://github.com/chatmail/core/issues/7384>).
- Protect the `Date` header.
-
-Onboarding improvements:
- Allow plain domain in `dcaccount:` scheme.
- Do not resolve MX records during configuration.
-
-Preparation for multi-transport:
- Move the messages only from INBOX and Spam folders.
- deltachat-rpc-client: Support multiple transports in resetup_account().
-
-Various other changes:
- Opt-in weekly sending of statistics ([#6851](https://github.com/chatmail/core/pull/6851))
- Synchronize encrypted groups creation across devices ([#7001](https://github.com/chatmail/core/pull/7001)).
- Do not send Autocrypt in MDNs.
- Do not run SecureJoin if we are already in the group.
- Show if proxy is enabled in connectivity view ([#7359](https://github.com/chatmail/core/pull/7359)).
-
-### Fixes
-
- Don't ignore QR token timestamp from sync messages.
- Do not allow sync item timestamps to be in the future.
- jsonrpc: Fix `ChatListItem::is_self_in_group`.
- Delete obsolete "configured*" keys from `config` table ([#7171](https://github.com/chatmail/core/pull/7171)).
- Fix flaky tests::verified_chats::test_verified_chat_editor_reordering and receive_imf::receive_imf_tests::test_two_group_securejoins.
- Stop using `leftgrps` table.
- Stop notifying about messages in contact request chats.
-
-### Refactor
-
- Remove invalid Gmail OAuth2 tokens.
- Remove ProtectionStatus.
- Rename chat::create_group_chat() to create_group().
- Remove error stock strings that are rarely used these days ([#7327](https://github.com/chatmail/core/pull/7327)).
- Jsonrpc rename change casing in names of jsonrpc structs/enums to comply with rust naming conventions. ([#7324](https://github.com/chatmail/core/pull/7324)).
- Stop using deprecated Account.configure().
- add_transport_from_qr: Do not set deprecated config values.
- sql: Change second query_map function from FnMut to FnOnce.
- sql: Add query_map_vec().
- sql: Add query_map_collect().
- Use rand::fill() instead of rand::rng().fill().
- Use SampleString.
- Remove unused call to get_credentials().
-
-### Tests
-
- rpc-client: VCard color is the same as the contact color ([#7294](https://github.com/chatmail/core/pull/7294)).
- Add unique offsets to ids generated by `TestContext` to increase test correctness ([#7297](https://github.com/chatmail/core/pull/7297)).
-
-## [2.22.0] - 2025-10-17
-
-### Fixes
-
- Do not notify about incoming calls for contact requests and blocked contacts.
-
-### Tests
-
- Accept the chat with the caller before accepting calls.
-
-## [2.21.0] - 2025-10-16
-
-### Build system
-
- nix: Remove unused dependencies.
-
-### Features / Changes
-
- TLS 1.3 session resumption.
- REPL: Add send-sync command.
- Set `User-Agent` for tile.openstreetmap.org requests.
- Cache tile.openstreetmap.org tiles for 7 days.
-
-### Fixes
-
- Remove Exif with non-fatal errors from images.
- jsonrpc: Use Core's logic for computing VcardContact.color ([#7294](https://github.com/chatmail/core/pull/7294)).
-
-### Miscellaneous Tasks
-
- deps: Bump cachix/install-nix-action from 31.7.0 to 31.8.0.
- cargo: Bump async_zip from 0.0.17 to 0.0.18 ([#7257](https://github.com/chatmail/core/pull/7257)).
- deps: Bump github/codeql-action from 3 to 4 ([#7304](https://github.com/chatmail/core/pull/7304)).
-
-### Refactor
-
- Use rustls reexported from tokio_rustls.
- Pass ALPN around as &str.
- mimeparser: Store only one signature fingerprint.
-
-### Tests
-
- Test expiration of ephemeral messages with unknown viewtype.
- Test expiration of non-ephemeral message with unknown viewtype.
-
-## [2.20.0] - 2025-10-13
-
-This release fixes a bug that resulted in ephemeral loop getting stuck in infinite loop
-when trying to delete a message with unknown viewtype.
-
-### Fixes
-
- Accept unknown viewtype in ephemeral loop.
- Accept unknown viewtype in delete-old-messages loop.
-
-## [2.19.0] - 2025-10-12
-
-### Features / Changes
-
- Slightly increase saturation of colors.
-
-### Fixes
-
- Do not fail to receive call accepted/ended messages referring to non-call Message-ID.
- Do not fail to fully download previously trashed messages.
- Emit AccountsItemChanged when own key is generated/imported, use gray self-color until that ([#7296](https://github.com/chatmail/core/pull/7296)).
- Do not try to process calls from partial messages.
-
-### CI
-
- Update to Python 3.14.
-
-### Refactor
-
- Use variables directly in formatted strings ([#7284](https://github.com/chatmail/core/pull/7284)).
- Set_chat_profile_image(): Remove !chat.is_mailing_list() check.
-
-### Miscellaneous Tasks
-
- cargo: Bump quick-xml from 0.37.5 to 0.38.3.
- Add nodejs to nix dev env ([#7283](https://github.com/chatmail/core/pull/7283))
-
-## [2.18.0] - 2025-10-08
-
-### API-Changes
-
- [**breaking**] Remove APIs for video chat invitations.
-
-### CI
-
- nix: Run the workflow when workflow file changes.
- nix: Switch from DeterminateSystems/nix-installer-action to cachix/install-nix-action.
-
-### Features / Changes
-
- No implicit member changes from old Delta Chat clients ([#7220](https://github.com/chatmail/core/pull/7220)).
-
-### Fixes
-
- Do not fail to load messages with unknown viewtype.
- Only omit group changes messages if SELF is really added ([#7220](https://github.com/chatmail/core/pull/7220)).
-
-### Refactor
-
- Assert that Iroh node addresses have home relay URL.
-
-## [2.17.0] - 2025-10-04
-
-### API-Changes
-
- [**breaking**] Remove deprecated verified_one_on_one_chats config.
-
-### CI
-
- Require that Cargo.lock is up to date.
- Fix CI checking Nix formatting.
-
-### Documentation
-
- Comment about outdated timespan.
- Clarify CALL events ([#7188](https://github.com/chatmail/core/pull/7188)).
- Add docs for JS `BaseDeltaChat`.
-
-### Features / Changes
-
- Make `text/calendar` alternative available as an attachment.
- Better summary for calls.
- Add strings 'You left the channel.' and 'Scan to join Channel' ([#7266](https://github.com/chatmail/core/pull/7266)).
- Stock strings for calls.
- ffi: Add DC_STR_CANT_DECRYPT_OUTGOING_MSGS define.
-
-### Fixes
-
- Prefer last part in `multipart/alternative`.
- Prefetch messages in limited batches ([#6915](https://github.com/chatmail/core/pull/6915)).
- Forward calls as text messages.
- Consistent spelling of "canceled" with a single "l".
- Lowercase "call" in "Missed call" and similar strings.
-
-### Refactor
-
- Return the reason when failing to place calls.
-
-### Tests
-
- Test reception of `multipart/alternative` with `text/calendar`.
-
-## [2.16.0] - 2025-10-01
-
-### API-Changes
-
- [**breaking**] Get rid of inviter progress other than 0 and 1000.
- Add has_video attribute to incoming call events.
- Add JSON-RPC API to get ICE servers.
- Add call_info() JSON-RPC API.
- Add chat ID to SecureJoinInviterProgress.
- deltachat-rpc-client: Add Chat.resend_messages().
- Add `chat_id` to all call events ([#7216](https://github.com/chatmail/core/pull/7216)).
-
-### Build system
-
- Update rPGP from 0.16.0 to 0.17.0.
-
-### CI
-
- Update Rust to 1.90.0.
- Install rustfmt before checking provider database.
-
-### Documentation
-
- Add more `get_next_event` docs.
- SecurejoinInviterProgress never returns an error.
-
-### Features / Changes
-
- Don't fetch messages from unknown folders ([#7190](https://github.com/chatmail/core/pull/7190)).
- Get ICE servers from IMAP METADATA.
- Don't ignore receive_imf_inner() errors, try adding partially downloaded message instead ([#7196](https://github.com/chatmail/core/pull/7196)).
- Set dimensions for outgoing Sticker messages.
-
-### Fixes
-
- Create 1:1 chat only if auth token is for setup contact.
- Ignore vc-/vg- prefix for SecurejoinInviterProgress.
- Don't init Iroh on channel leave ([#7210](https://github.com/chatmail/core/pull/7210)).
- Take the last valid Autocrypt header ([#7167](https://github.com/chatmail/core/pull/7167)).
- Don't add "member removed" messages from nonmembers ([#7207](https://github.com/chatmail/core/pull/7207)).
- Do not consider the call stale if it is not sent out yet.
- Receive_imf: Report replaced message id in `MsgsChanged` if chat is the same.
- Allow Exif for stickers, don't recode them because of that ([#6447](https://github.com/chatmail/core/pull/6447)).
-
-### Refactor
-
- Remove unused prop (TS, `BaseDeltaChat`).
- Remove unused FolderMeaning::Drafts.
-
-### Tests
-
- Rename test_udpate_call_text into test_update_call_text.
- Update timestamp_sent in pop_sent_msg_opt().
- Do not match call ID from second alice with first alice event.
-
-## [2.15.0] - 2025-09-15
-
-### API-Changes
-
- Add JSON-RPC API for calls ([#7194](https://github.com/chatmail/core/pull/7194)).
-
-### Build system
-
- Remove unused `quoted_printable` dependency.
-
-## [2.14.0] - 2025-09-12
-
-### API-Changes
-
- Put the chattype into the SecurejoinInviterProgress event ([#7181](https://github.com/chatmail/core/pull/7181)).
-
-### Fixes
-
- param: Split params only on \n.
- B-encode SDP offer and answer sent in headers.
-
-### Refactor
-
- Use recv_msg_trash() instead of recv_msg_opt().
- Prepare_msg_raw(): don't return MsgId.
-
-### Tests
-
- Message is OutFailed if all keys are missing ([#6849](https://github.com/chatmail/core/pull/6849)).
- Test sending SDP offer and answer with newlines.
-
-## [2.13.0] - 2025-09-09
-
-### API-Changes
-
- [**breaking**] Remove `is_profile_verified` APIs.
- [**breaking**] Remove deprecated `is_protection_broken`.
- [**breaking**] Remove `e2ee_enabled` preference.
-
-### Features / Changes
-
- Add call ringing API ([#6650](https://github.com/chatmail/core/pull/6650), [#7174](https://github.com/chatmail/core/pull/7174), [#7175](https://github.com/chatmail/core/pull/7175), [#7179](https://github.com/chatmail/core/pull/7179))
- Warn for outdated versions after 6 months instead of 1 year ([#7144](https://github.com/chatmail/core/pull/7144)).
- Do not set "unknown sender for this chat" error.
- Do not replace messages with an error on verification failure.
- Support receiving Autocrypt-Gossip with `_verified` attribute.
- Withdraw all QR codes when one is withdrawn.
-
-### Fixes
-
- Don't reverify contacts by SELF on receipt of a message from another device.
- Don't verify contacts by others having an unknown verifier.
- Update verifier_id if it's "unknown" and new verifier has known verifier.
- Mark message as failed if it can't be sent ([#7143](https://github.com/chatmail/core/pull/7143)).
- Add "Messages are end-to-end encrypted." to non-protected groups.
-
-### Documentation
-
- Fix for SecurejoinInviterProgress with progress == 600.
- STYLE.md: Prefer BTreeMap and BTreeSet over hash variants.
-
-### Miscellaneous Tasks
-
- Update provider database.
- Update dependencies.
-
-### Refactor
-
- Check that verifier is verified in turn.
- Remove unused `EncryptPreference::Reset`.
- Remove `Aheader::new`.
-
-### Tests
-
- Add another TimeShiftFalsePositiveNote ([#7142](https://github.com/chatmail/core/pull/7142)).
- Add TestContext.create_chat_id.
-
-## [2.12.0] - 2025-08-26
-
-### API-Changes
-
- api!(python): remove remaining broken API for reactions
-
-### Features / Changes
-
- Use Group ID for chat color generation instead of the name for encrypted groups.
- Use key fingerprints instead of addresses for key-contacts color generation.
- Replace HSLuv colors with OKLCh.
- `wal_checkpoint()`: Do `wal_checkpoint(PASSIVE)` and `wal_checkpoint(FULL)` before `wal_checkpoint(TRUNCATE)`.
- Assign messages to key-contacts based on Issuer Fingerprint.
- Create_group_ex(): Log and replace invalid chat name with "…".
-
-### Fixes
-
- Do not create a group if the sender includes self in the `To` field.
- Do not reverify already verified contacts via gossip.
- `get_connectivity()`: Get rid of locking SchedulerState::inner ([#7124](https://github.com/chatmail/core/pull/7124)).
- Make reaction message hidden only if there are no other parts.
-
-### Refactor
-
- Do not return `Result` from `valid_signature_fingerprints()`.
- Make `ConnectivityStore` use a non-async lock ([#7129](https://github.com/chatmail/core/pull/7129)).
-
-### Documentation
-
- Remove broken link from documentation comments.
- Remove the comment about Color Vision Deficiency correction.
-
-## [2.11.0] - 2025-08-13
-
-### Features / Changes
-
- Contact::lookup_id_by_addr_ex: Prefer returning key-contact.
- Contact::lookup_id_by_addr_ex: Prefer returning accepted contacts.
- Better string when using disappearing messages of one year (365..367 days, so it can be tweaked later).
- Do not require resent messages to be from the same chat.
- `lookup_key_contact_by_address()`: Allow looking up ContactId::SELF without chat id.
- `get_securejoin_qr()`: Log error if group doesn't have grpid.
- `receive_imf::add_parts()`: Get rid of extra `Chat::load_from_db()` calls.
-
-### Fixes
-
- Ignore case when trying to detect 'invalid unencrypted mail' and add an info-message.
- Run wal_checkpoint during housekeeping ([#6089](https://github.com/chatmail/core/pull/6089)).
- Allow receiving empty files.
- Set correct sent_timestamp for saved outgoing messages.
- Do not remove query parameters from URLs.
- Log and set imex progress error ([#7091](https://github.com/chatmail/core/pull/7091)).
- Do not add key-contacts to unencrypted groups.
- Do not reset `GuaranteeE2ee` in the database when resending messages.
- Assign messages to a group if there is a `Chat-Group-Name`.
- Take `Chat-Group-Name` into account when matching ad hoc groups.
- Don't break long group names with non-ASCII characters.
- Add messages that can't be verified as `DownloadState::Available` ([#7059](https://github.com/chatmail/core/pull/7059)).
-
-### Tests
-
- Log the number of the test account if there are multiple alices ([#7087](https://github.com/chatmail/core/pull/7087)).
-
-### CI
-
- Update Rust to 1.89.0.
-
-### Refactor
-
- Rename icon-address-contact to icon-unencrypted.
- Skip loading the contact of 1:1 unencrypted chat to show the avatar.
- Chat::is_encrypted(): Make one query instead of two for 1:1 chats.
-
-### Miscellaneous Tasks
-
- cargo: Bump toml from 0.8.23 to 0.9.4.
- cargo: Bump human-panic from 2.0.2 to 2.0.3.
- deny.toml: Add exception for duplicate toml_datetime 0.6.11 dependency.
- deps: Bump actions/checkout from 4 to 5.
- deps: Bump actions/download-artifact from 4 to 5.
-
-## [2.10.0] - 2025-08-04
-
-### Features / Changes
-
- Also lookup key contacts in lookup_id_by_addr() ([#7073](https://github.com/chatmail/core/pull/7073)).
-
-### Miscellaneous Tasks
-
- cargo: Bump serde_json from 1.0.140 to 1.0.142.
- cargo: Bump bolero from 0.13.3 to 0.13.4.
- cargo: Bump async-channel from 2.3.1 to 2.5.0.
- cargo: Bump hyper-util from 0.1.14 to 0.1.16.
- cargo: Bump criterion from 0.6.0 to 0.7.0.
- cargo: Bump strum from 0.27.1 to 0.27.2.
- cargo: Bump strum_macros from 0.27.1 to 0.27.2.
- Upgrade async-imap to 0.11.1.
-
-## [2.9.0] - 2025-07-31
-
-### Features / Changes
-
- repl: Add import-vcard and make-vcard commands ([#7048](https://github.com/chatmail/core/pull/7048)).
-
-### Fixes
-
- Display correct timer value for ephemeral timer changes.
- Get_chat_msgs_ex(): Report local midnight in ChatItem::DayMarker.
-
-### Refactor
-
- Rename add_or_lookup_key_contacts_by_address_list() to add_or_lookup_key_contacts().
- Don't call add_or_lookup_key_contacts() in advance.
-
-## [2.8.0] - 2025-07-28
-
-### Features / Changes
-
- Remove ProtectionBroken, make such  chats Unprotected ([#7041](https://github.com/chatmail/core/pull/7041)).
-
-### Fixes
-
- Lookup self by address if there is no fingerprint or gossip.
-
-## [2.7.0] - 2025-07-26
-
-### Features / Changes
-
- Mimefactory: Order message recipients by time of addition ([#6872](https://github.com/chatmail/core/pull/6872)).
- Put the debug/release build version into the info ([#7034](https://github.com/chatmail/core/pull/7034)).
-
-### Fixes
-
- Realtime late join ([#6869](https://github.com/chatmail/core/pull/6869)).
- Do not fail to upgrade if the verifier of a contact doesn't exist anymore ([#7044](https://github.com/chatmail/core/pull/7044)).
-
-### Tests
-
- Add regression test for verification-gossiping crash ([#7033](https://github.com/chatmail/core/pull/7033)).
-
 ## [2.6.0] - 2025-07-23

 ### Fixes
@@ -2016,7 +1492,7 @@ This reverts commit 6f22ce2722b51773d7fbb0d89e4764f963cafd91..
 ### Fixes

 - Reset quota on configured address change ([#5908](https://github.com/chatmail/core/pull/5908)).
- Do not emit progress 1000 when configuration is canceled.
+- Do not emit progress 1000 when configuration is cancelled.
 - Assume file extensions are 32 chars max and don't contain whitespace ([#5338](https://github.com/chatmail/core/pull/5338)).
 - Re-add tokens.foreign_id column ([#6038](https://github.com/chatmail/core/pull/6038)).

@@ -4464,7 +3940,7 @@ Bugfix release attempting to fix the [iOS build error](https://github.com/chatma
 - Recreate `smtp` table with AUTOINCREMENT `id` ([#4390](https://github.com/chatmail/core/pull/4390)).
 - Do not return an error from `send_msg_to_smtp` if retry limit is exceeded.
 - Make the bots automatically accept group chat contact requests ([#4377](https://github.com/chatmail/core/pull/4377)).
- Delete `smtp` rows when message sending is canceled ([#4391](https://github.com/chatmail/core/pull/4391)).
+- Delete `smtp` rows when message sending is cancelled ([#4391](https://github.com/chatmail/core/pull/4391)).

 ### Refactor

@@ -4475,7 +3951,7 @@ Bugfix release attempting to fix the [iOS build error](https://github.com/chatma
 ### Fixes

 - Fetch at most 100 existing messages even if EXISTS was not received.
- Delete `smtp` rows when message sending is canceled.
+- Delete `smtp` rows when message sending is cancelled.

 ### Changes

@@ -4562,14 +4038,14 @@ Bugfix release attempting to fix the [iOS build error](https://github.com/chatma
 ## [1.112.3] - 2023-03-30

 ### Fixes
- `transfer::get_backup` now frees ongoing process when canceled. #4249
+- `transfer::get_backup` now frees ongoing process when cancelled. #4249

 ## [1.112.2] - 2023-03-30

 ### Changes
 - Update iroh, remove `default-net` from `[patch.crates-io]` section.
 - transfer backup: Connect to multiple provider addresses concurrently.  This should speed up connection time significantly on the getter side.  #4240
- Make sure BackupProvider is canceled on drop (or `dc_backup_provider_unref`).  The BackupProvider will now always finish with an IMEX event of 1000 or 0, previously it would sometimes finished with 1000 (success) when it really was 0 (failure). #4242
+- Make sure BackupProvider is cancelled on drop (or `dc_backup_provider_unref`).  The BackupProvider will now always finish with an IMEX event of 1000 or 0, previously it would sometimes finished with 1000 (success) when it really was 0 (failure). #4242

 ### Fixes
 - Do not return media from trashed messages in the "All media" view. #4247
@@ -7057,21 +6533,3 @@ https://github.com/chatmail/core/pulls?q=is%3Apr+is%3Aclosed
 [2.4.0]: https://github.com/chatmail/core/compare/v2.3.0..v2.4.0
 [2.5.0]: https://github.com/chatmail/core/compare/v2.4.0..v2.5.0
 [2.6.0]: https://github.com/chatmail/core/compare/v2.5.0..v2.6.0
-[2.7.0]: https://github.com/chatmail/core/compare/v2.6.0..v2.7.0
-[2.8.0]: https://github.com/chatmail/core/compare/v2.7.0..v2.8.0
-[2.9.0]: https://github.com/chatmail/core/compare/v2.8.0..v2.9.0
-[2.10.0]: https://github.com/chatmail/core/compare/v2.9.0..v2.10.0
-[2.11.0]: https://github.com/chatmail/core/compare/v2.10.0..v2.11.0
-[2.12.0]: https://github.com/chatmail/core/compare/v2.11.0..v2.12.0
-[2.13.0]: https://github.com/chatmail/core/compare/v2.12.0..v2.13.0
-[2.14.0]: https://github.com/chatmail/core/compare/v2.13.0..v2.14.0
-[2.15.0]: https://github.com/chatmail/core/compare/v2.14.0..v2.15.0
-[2.16.0]: https://github.com/chatmail/core/compare/v2.15.0..v2.16.0
-[2.17.0]: https://github.com/chatmail/core/compare/v2.16.0..v2.17.0
-[2.18.0]: https://github.com/chatmail/core/compare/v2.17.0..v2.18.0
-[2.19.0]: https://github.com/chatmail/core/compare/v2.18.0..v2.19.0
-[2.20.0]: https://github.com/chatmail/core/compare/v2.19.0..v2.20.0
-[2.21.0]: https://github.com/chatmail/core/compare/v2.20.0..v2.21.0
-[2.22.0]: https://github.com/chatmail/core/compare/v2.21.0..v2.22.0
-[2.23.0]: https://github.com/chatmail/core/compare/v2.22.0..v2.23.0
-[2.24.0]: https://github.com/chatmail/core/compare/v2.23.0..v2.24.0
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -44,7 +44,7 @@ If you want to contribute a code, follow this guide.

   The following prefix types are used:
   - `feat`: Features, e.g. "feat: Pause IO for BackupProvider". If you are unsure what's the category of your commit, you can often just use `feat`.
-   - `fix`: Bug fixes, e.g. "fix: delete `smtp` rows when message sending is canceled"
+   - `fix`: Bug fixes, e.g. "fix: delete `smtp` rows when message sending is cancelled"
   - `api`: API changes, e.g. "api(rust): add `get_msg_read_receipts(context, msg_id)`"
   - `refactor`: Refactorings, e.g. "refactor: iterate over `msg_ids` without `.iter()`"
   - `perf`: Performance improvements, e.g. "perf: improve SQLite performance with `PRAGMA synchronous=normal`"
--- a/Cargo.lock
+++ b/Cargo.lock
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat"
-version = "2.24.0"
+version = "2.6.0"
 edition = "2024"
 license = "MPL-2.0"
 rust-version = "1.85"
@@ -44,16 +44,14 @@ ratelimit = { path = "./deltachat-ratelimit" }
 anyhow = { workspace = true }
 async-broadcast = "0.7.2"
 async-channel = { workspace = true }
-async-imap = { version = "0.11.1", default-features = false, features = ["runtime-tokio", "compress"] }
+async-imap = { version = "0.11.0", default-features = false, features = ["runtime-tokio", "compress"] }
 async-native-tls = { version = "0.5", default-features = false, features = ["runtime-tokio"] }
 async-smtp = { version = "0.10.2", default-features = false, features = ["runtime-tokio"] }
-async_zip = { version = "0.0.18", default-features = false, features = ["deflate", "tokio-fs"] }
+async_zip = { version = "0.0.17", default-features = false, features = ["deflate", "tokio-fs"] }
 base64 = { workspace = true }
-blake3 = "1.8.2"
 brotli = { version = "8", default-features=false, features = ["std"] }
 bytes = "1"
 chrono = { workspace = true, features = ["alloc", "clock", "std"] }
-colorutils-rs = { version = "0.7.5", default-features = false }
 data-encoding = "2.9.0"
 escaper = "0.1"
 fast-socks5 = "0.10"
@@ -61,16 +59,17 @@ fd-lock = "4"
 futures-lite = { workspace = true }
 futures = { workspace = true }
 hex = "0.4.0"
+hickory-resolver = "0.25.2"
 http-body-util = "0.1.3"
 humansize = "2"
 hyper = "1"
-hyper-util = "0.1.16"
+hyper-util = "0.1.14"
 image = { version = "0.25.6", default-features=false, features = ["gif", "jpeg", "ico", "png", "pnm", "webp", "bmp"] }
 iroh-gossip = { version = "0.35", default-features = false, features = ["net"] }
 iroh = { version = "0.35", default-features = false }
 kamadak-exif = "0.6.1"
 libc = { workspace = true }
-mail-builder = { version = "0.4.4", default-features = false }
+mail-builder = { version = "0.4.3", default-features = false }
 mailparse = { workspace = true }
 mime = "0.3.17"
 num_cpus = "1.17"
@@ -78,17 +77,18 @@ num-derive = "0.4"
 num-traits = { workspace = true }
 parking_lot = "0.12.4"
 percent-encoding = "2.3"
-pgp = { version = "0.17.0", default-features = false }
+pgp = { version = "0.16.0", default-features = false }
 pin-project = "1"
 qrcodegen = "1.7.0"
-quick-xml = { version = "0.38", features = ["escape-html"] }
-rand-old = { package = "rand", version = "0.8" }
+quick-xml = "0.37"
+quoted_printable = "0.5"
 rand = { workspace = true }
 regex = { workspace = true }
 rusqlite = { workspace = true, features = ["sqlcipher"] }
+rust-hsluv = "0.1"
 rustls-pki-types = "1.12.0"
+rustls = { version = "0.23.22", default-features = false }
 sanitize-filename = { workspace = true }
-sdp = "0.8.0"
 serde_json = { workspace = true }
 serde_urlencoded = "0.7.1"
 serde = { workspace = true, features = ["derive"] }
@@ -104,18 +104,19 @@ thiserror = { workspace = true }
 tokio-io-timeout = "1.2.1"
 tokio-rustls = { version = "0.26.2", default-features = false }
 tokio-stream = { version = "0.1.17", features = ["fs"] }
-astral-tokio-tar = { version = "0.5.6", default-features = false }
+tokio-tar = { version = "0.3" } # TODO: integrate tokio into async-tar
 tokio-util = { workspace = true }
 tokio = { workspace = true, features = ["fs", "rt-multi-thread", "macros"] }
-toml = "0.9"
+toml = "0.8"
 tracing = "0.1.41"
 url = "2"
 uuid = { version = "1", features = ["serde", "v4"] }
 webpki-roots = "0.26.8"
+blake3 = "1.8.2"

 [dev-dependencies]
 anyhow = { workspace = true, features = ["backtrace"] } # Enable `backtrace` feature in tests.
-criterion = { version = "0.7.0", features = ["async_tokio"] }
+criterion = { version = "0.6.0", features = ["async_tokio"] }
 futures-lite = { workspace = true }
 log = { workspace = true }
 nu-ansi-term = { workspace = true }
@@ -156,11 +157,6 @@ name = "receive_emails"
 required-features = ["internals"]
 harness = false

-[[bench]]
-name = "decrypting"
-required-features = ["internals"]
-harness = false
-
 [[bench]]
 name = "get_chat_msgs"
 harness = false
@@ -179,29 +175,29 @@ harness = false

 [workspace.dependencies]
 anyhow = "1"
-async-channel = "2.5.0"
+async-channel = "2.3.1"
 base64 = "0.22"
-chrono = { version = "0.4.42", default-features = false }
+chrono = { version = "0.4.41", default-features = false }
 deltachat-contact-tools = { path = "deltachat-contact-tools" }
 deltachat-jsonrpc = { path = "deltachat-jsonrpc", default-features = false }
 deltachat = { path = ".", default-features = false }
 futures = "0.3.31"
-futures-lite = "2.6.1"
+futures-lite = "2.6.0"
 libc = "0.2"
 log = "0.4"
 mailparse = "0.16.1"
-nu-ansi-term = "0.50"
+nu-ansi-term = "0.46"
 num-traits = "0.2"
-rand = "0.9"
+rand = "0.8"
 regex = "1.10"
 rusqlite = "0.36"
 sanitize-filename = "0.5"
 serde = "1.0"
 serde_json = "1"
-tempfile = "3.23.0"
+tempfile = "3.20.0"
 thiserror = "2"
 tokio = "1"
-tokio-util = "0.7.16"
+tokio-util = "0.7.14"
 tracing-subscriber = "0.3"
 yerpc = "0.6.4"

--- a/README.md
+++ b/README.md
@@ -80,26 +80,18 @@ Connect to your mail server (if already configured):
 > connect
 ```

-Export your public key to a vCard file:
-
-```
-> make-vcard my.vcard 1
-```
-
-Create contacts by address or vCard file:
+Create a contact:

 ```
 > addcontact yourfriends@email.org
-> import-vcard key-contact.vcard
 ```

 List contacts:

 ```
 > listcontacts
-Contact#Contact#11: key-contact@email.org <key-contact@email.org>
 Contact#Contact#Self: Me √ <your@email.org>
-2 key contacts.
+1 key contacts.
 Contact#Contact#10: yourfriends@email.org <yourfriends@email.org>
 1 address contacts.
 ```
--- a/STYLE.md
+++ b/STYLE.md
@@ -112,18 +112,6 @@ Follow
 <https://doc.rust-lang.org/core/error/index.html#common-message-styles>
 for `.expect` message style.

-## BTreeMap vs HashMap
-
-Prefer [BTreeMap](https://doc.rust-lang.org/std/collections/struct.BTreeMap.html)
-over [HashMap](https://doc.rust-lang.org/std/collections/struct.HashMap.html)
-and [BTreeSet](https://doc.rust-lang.org/std/collections/struct.BTreeSet.html)
-over [HashSet](https://doc.rust-lang.org/std/collections/struct.HashSet.html)
-as iterating over these structures returns items in deterministic order.
-
-Non-deterministic code may result in difficult to reproduce bugs,
-flaky tests, regression tests that miss bugs
-or different behavior on different devices when processing the same messages.
-
 ## Logging

 For logging, use `info!`, `warn!` and `error!` macros.
--- a/assets/icon-address-contact.png
+++ b/assets/icon-address-contact.png
--- a/assets/icon-address-contact.svg
+++ b/assets/icon-address-contact.svg
--- a/assets/self-reporting-bot.vcf
+++ b/assets/self-reporting-bot.vcf
--- a/benches/decrypting.rs
+++ b/benches/decrypting.rs
@@ -1,200 +0,0 @@
-//! Benchmarks for message decryption,
-//! comparing decryption of symmetrically-encrypted messages
-//! to decryption of asymmetrically-encrypted messages.
-//!
-//! Call with
-//!
-//! ```text
-//! cargo bench --bench decrypting --features="internals"
-//! ```
-//!
-//! or, if you want to only run e.g. the 'Decrypt a symmetrically encrypted message' benchmark:
-//!
-//! ```text
-//! cargo bench --bench decrypting --features="internals" -- 'Decrypt a symmetrically encrypted message'
-//! ```
-//!
-//! You can also pass a substring.
-//! So, you can run all 'Decrypt and parse' benchmarks with:
-//!
-//! ```text
-//! cargo bench --bench decrypting --features="internals" -- 'Decrypt and parse'
-//! ```
-//!
-//! Symmetric decryption has to try out all known secrets,
-//! You can benchmark this by adapting the `NUM_SECRETS` variable.
-
-use std::hint::black_box;
-
-use criterion::{Criterion, criterion_group, criterion_main};
-use deltachat::internals_for_benches::create_broadcast_secret;
-use deltachat::internals_for_benches::create_dummy_keypair;
-use deltachat::internals_for_benches::save_broadcast_secret;
-use deltachat::{
-    Events,
-    chat::ChatId,
-    config::Config,
-    context::Context,
-    internals_for_benches::key_from_asc,
-    internals_for_benches::parse_and_get_text,
-    internals_for_benches::store_self_keypair,
-    pgp::{KeyPair, decrypt, pk_encrypt, symm_encrypt_message},
-    stock_str::StockStrings,
-};
-use rand::{Rng, rng};
-use tempfile::tempdir;
-
-const NUM_SECRETS: usize = 500;
-
-async fn create_context() -> Context {
-    let dir = tempdir().unwrap();
-    let dbfile = dir.path().join("db.sqlite");
-    let context = Context::new(dbfile.as_path(), 100, Events::new(), StockStrings::new())
-        .await
-        .unwrap();
-
-    context
-        .set_config(Config::ConfiguredAddr, Some("bob@example.net"))
-        .await
-        .unwrap();
-    let secret = key_from_asc(include_str!("../test-data/key/bob-secret.asc")).unwrap();
-    let public = secret.signed_public_key();
-    let key_pair = KeyPair { public, secret };
-    store_self_keypair(&context, &key_pair)
-        .await
-        .expect("Failed to save key");
-
-    context
-}
-
-fn criterion_benchmark(c: &mut Criterion) {
-    let mut group = c.benchmark_group("Decrypt");
-
-    // ===========================================================================================
-    // Benchmarks for decryption only, without any other parsing
-    // ===========================================================================================
-
-    group.sample_size(10);
-
-    group.bench_function("Decrypt a symmetrically encrypted message", |b| {
-        let plain = generate_plaintext();
-        let secrets = generate_secrets();
-        let encrypted = tokio::runtime::Runtime::new().unwrap().block_on(async {
-            let secret = secrets[NUM_SECRETS / 2].clone();
-            symm_encrypt_message(
-                plain.clone(),
-                create_dummy_keypair("alice@example.org").unwrap().secret,
-                black_box(&secret),
-                true,
-            )
-            .await
-            .unwrap()
-        });
-
-        b.iter(|| {
-            let mut msg =
-                decrypt(encrypted.clone().into_bytes(), &[], black_box(&secrets)).unwrap();
-            let decrypted = msg.as_data_vec().unwrap();
-
-            assert_eq!(black_box(decrypted), plain);
-        });
-    });
-
-    group.bench_function("Decrypt a public-key encrypted message", |b| {
-        let plain = generate_plaintext();
-        let key_pair = create_dummy_keypair("alice@example.org").unwrap();
-        let secrets = generate_secrets();
-        let encrypted = tokio::runtime::Runtime::new().unwrap().block_on(async {
-            pk_encrypt(
-                plain.clone(),
-                vec![black_box(key_pair.public.clone())],
-                Some(key_pair.secret.clone()),
-                true,
-                true,
-            )
-            .await
-            .unwrap()
-        });
-
-        b.iter(|| {
-            let mut msg = decrypt(
-                encrypted.clone().into_bytes(),
-                std::slice::from_ref(&key_pair.secret),
-                black_box(&secrets),
-            )
-            .unwrap();
-            let decrypted = msg.as_data_vec().unwrap();
-
-            assert_eq!(black_box(decrypted), plain);
-        });
-    });
-
-    // ===========================================================================================
-    // Benchmarks for the whole parsing pipeline, incl. decryption (but excl. receive_imf())
-    // ===========================================================================================
-
-    let rt = tokio::runtime::Runtime::new().unwrap();
-    let mut secrets = generate_secrets();
-
-    // "secret" is the shared secret that was used to encrypt text_symmetrically_encrypted.eml.
-    // Put it into the middle of our secrets:
-    secrets[NUM_SECRETS / 2] = "secret".to_string();
-
-    let context = rt.block_on(async {
-        let context = create_context().await;
-        for (i, secret) in secrets.iter().enumerate() {
-            save_broadcast_secret(&context, ChatId::new(10 + i as u32), secret)
-                .await
-                .unwrap();
-        }
-        context
-    });
-
-    group.bench_function("Decrypt and parse a symmetrically encrypted message", |b| {
-        b.to_async(&rt).iter(|| {
-            let ctx = context.clone();
-            async move {
-                let text = parse_and_get_text(
-                    &ctx,
-                    include_bytes!("../test-data/message/text_symmetrically_encrypted.eml"),
-                )
-                .await
-                .unwrap();
-                assert_eq!(text, "Symmetrically encrypted message");
-            }
-        });
-    });
-
-    group.bench_function("Decrypt and parse a public-key encrypted message", |b| {
-        b.to_async(&rt).iter(|| {
-            let ctx = context.clone();
-            async move {
-                let text = parse_and_get_text(
-                    &ctx,
-                    include_bytes!("../test-data/message/text_from_alice_encrypted.eml"),
-                )
-                .await
-                .unwrap();
-                assert_eq!(text, "hi");
-            }
-        });
-    });
-
-    group.finish();
-}
-
-fn generate_secrets() -> Vec<String> {
-    let secrets: Vec<String> = (0..NUM_SECRETS)
-        .map(|_| create_broadcast_secret())
-        .collect();
-    secrets
-}
-
-fn generate_plaintext() -> Vec<u8> {
-    let mut plain: Vec<u8> = vec![0; 500];
-    rng().fill(&mut plain[..]);
-    plain
-}
-
-criterion_group!(benches, criterion_benchmark);
-criterion_main!(benches);
--- a/deltachat-contact-tools/src/lib.rs
+++ b/deltachat-contact-tools/src/lib.rs
@@ -68,7 +68,7 @@ impl ContactAddress {
    pub fn new(s: &str) -> Result<Self> {
        let addr = addr_normalize(s);
        if !may_be_valid_addr(&addr) {
-            bail!("invalid address {s:?}");
+            bail!("invalid address {:?}", s);
        }
        Ok(Self(addr.to_string()))
    }
@@ -257,16 +257,16 @@ impl EmailAddress {
            .chars()
            .any(|c| c.is_whitespace() || c == '<' || c == '>')
        {
-            bail!("Email {input:?} must not contain whitespaces, '>' or '<'");
+            bail!("Email {:?} must not contain whitespaces, '>' or '<'", input);
        }

        match &parts[..] {
            [domain, local] => {
                if local.is_empty() {
-                    bail!("empty string is not valid for local part in {input:?}");
+                    bail!("empty string is not valid for local part in {:?}", input);
                }
                if domain.is_empty() {
-                    bail!("missing domain after '@' in {input:?}");
+                    bail!("missing domain after '@' in {:?}", input);
                }
                if domain.ends_with('.') {
                    bail!("Domain {domain:?} should not contain the dot in the end");
@@ -276,7 +276,7 @@ impl EmailAddress {
                    domain: (*domain).to_string(),
                })
            }
-            _ => bail!("Email {input:?} must contain '@' character"),
+            _ => bail!("Email {:?} must contain '@' character", input),
        }
    }
 }
--- a/deltachat-ffi/Cargo.toml
+++ b/deltachat-ffi/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat_ffi"
-version = "2.24.0"
+version = "2.6.0"
 description = "Deltachat FFI"
 edition = "2018"
 readme = "README.md"
--- a/deltachat-ffi/deltachat.h
+++ b/deltachat-ffi/deltachat.h
@@ -415,6 +415,7 @@ char*           dc_get_blobdir               (const dc_context_t* context);
 *                    As for `displayname` and `selfstatus`, also the avatar is sent to the recipients.
 *                    To save traffic, however, the avatar is attached only as needed
 *                    and also recoded to a reasonable size.
+ * - `e2ee_enabled` = 0=no end-to-end-encryption, 1=prefer end-to-end-encryption (default)
 * - `mdns_enabled` = 0=do not send or request read receipts,
 *                    1=send and request read receipts
 *                    default=send and request read receipts, only send but not request if `bot` is set
@@ -458,6 +459,12 @@ char*           dc_get_blobdir               (const dc_context_t* context);
 *                    The library uses the `media_quality` setting to use different defaults
 *                    for recoding images sent with type #DC_MSG_IMAGE.
 *                    If needed, recoding other file types is up to the UI.
+ * - `webrtc_instance` = webrtc instance to use for videochats in the form
+ *                    `[basicwebrtc:|jitsi:]https://example.com/subdir#roomname=$ROOM`
+ *                    if the URL is prefixed by `basicwebrtc`, the server is assumed to be of the type
+ *                    https://github.com/cracker0dks/basicwebrtc which some UIs have native support for.
+ *                    The type `jitsi:` may be handled by external apps.
+ *                    If no type is prefixed, the videochat is handled completely in a browser.
 * - `bot`          = Set to "1" if this is a bot.
 *                    Prevents adding the "Device messages" and "Saved messages" chats,
 *                    adds Auto-Submitted header to outgoing messages,
@@ -569,10 +576,11 @@ int             dc_set_stock_translation(dc_context_t* context, uint32_t stock_i
 /**
 * Set configuration values from a QR code.
 * Before this function is called, dc_check_qr() should confirm the type of the
- * QR code is DC_QR_ACCOUNT or DC_QR_LOGIN.
+ * QR code is DC_QR_ACCOUNT, DC_QR_LOGIN or DC_QR_WEBRTC_INSTANCE.
 *
 * Internally, the function will call dc_set_config() with the appropriate keys,
- * e.g. `addr` and `mail_pw` for DC_QR_ACCOUNT and DC_QR_LOGIN.
+ * e.g. `addr` and `mail_pw` for DC_QR_ACCOUNT and DC_QR_LOGIN
+ * or `webrtc_instance` for DC_QR_WEBRTC_INSTANCE.
 *
 * @memberof dc_context_t
 * @param context The context object.
@@ -1045,6 +1053,42 @@ void            dc_send_edit_request         (dc_context_t* context, uint32_t ms
 void            dc_send_delete_request       (dc_context_t* context, const uint32_t* msg_ids, int msg_cnt);


+/**
+ * Send invitation to a videochat.
+ *
+ * This function reads the `webrtc_instance` config value,
+ * may check that the server is working in some way
+ * and creates a unique room for this chat, if needed doing a TOKEN roundtrip for that.
+ *
+ * After that, the function sends out a message that contains information to join the room:
+ *
+ * - To allow non-delta-clients to join the chat,
+ *   the message contains a text-area with some descriptive text
+ *   and a URL that can be opened in a supported browser to join the videochat.
+ *
+ * - delta-clients can get all information needed from
+ *   the message object, using e.g.
+ *   dc_msg_get_videochat_url() and check dc_msg_get_viewtype() for #DC_MSG_VIDEOCHAT_INVITATION.
+ *
+ * dc_send_videochat_invitation() is blocking and may take a while,
+ * so the UIs will typically call the function from within a thread.
+ * Moreover, UIs will typically enter the room directly without an additional click on the message,
+ * for this purpose, the function returns the message id directly.
+ *
+ * As for other messages sent, this function
+ * sends the event #DC_EVENT_MSGS_CHANGED on success, the message has a delivery state, and so on.
+ * The recipient will get noticed by the call as usual by #DC_EVENT_INCOMING_MSG or #DC_EVENT_MSGS_CHANGED,
+ * However, UIs might some things differently, e.g. play a different sound.
+ *
+ * @memberof dc_context_t
+ * @param context The context object.
+ * @param chat_id The chat to start a videochat for.
+ * @return The ID of the message sent out
+ *     or 0 for errors.
+ */
+uint32_t dc_send_videochat_invitation (dc_context_t* context, uint32_t chat_id);
+
+
 /**
 * A webxdc instance sends a status update to its other members.
 *
@@ -1171,117 +1215,6 @@ void             dc_set_webxdc_integration (dc_context_t* context, const char* f
 uint32_t        dc_init_webxdc_integration    (dc_context_t* context, uint32_t chat_id);


-/**
- * Start an outgoing call.
- * This sends a message of type #DC_MSG_CALL with all relevant information to the callee,
- * who will get informed by an #DC_EVENT_INCOMING_CALL event and rings.
- *
- * Possible actions during ringing:
- *
- * - caller cancels the call using dc_end_call():
- *   callee receives #DC_EVENT_CALL_ENDED and has a "Missed call"
- *
- * - callee accepts using dc_accept_incoming_call():
- *   caller receives #DC_EVENT_OUTGOING_CALL_ACCEPTED.
- *   callee's devices receive #DC_EVENT_INCOMING_CALL_ACCEPTED, call starts
- *
- * - callee declines using dc_end_call():
- *   caller receives #DC_EVENT_CALL_ENDED and has a "Declinced Call".
- *   callee's other devices receive #DC_EVENT_CALL_ENDED and have a "Canceled Call",
- *
- * - callee is already in a call:
- *   what to do depends on the capabilities of UI to handle calls.
- *   if UI cannot handle multiple calls, an easy approach would be to decline the new call automatically
- *   and make that visble to the user in the call, e.g. by a notification
- *
- * - timeout:
- *   after 1 minute without action,
- *   caller and callee receive #DC_EVENT_CALL_ENDED
- *   to prevent endless ringing of callee
- *   in case caller got offline without being able to send cancellation message.
- *   for caller, this is a "Canceled call";
- *   for callee, this is a "Missed call"
- *
- * Actions during the call:
- *
- * - caller ends the call using dc_end_call():
- *   callee receives #DC_EVENT_CALL_ENDED
- *
- * - callee ends the call using dc_end_call():
- *   caller receives #DC_EVENT_CALL_ENDED
- *
- * Contact request handling:
- *
- * - placing or accepting calls implies accepting contact requests
- *
- * - ending a call does not accept a contact request;
- *   instead, the call will timeout on all affected devices.
- *
- * Note, that the events are for updating the call screen,
- * possible status messages are added and updated as usual, including the known events.
- * In the UI, the sorted chatlist is used as an overview about calls as well as messages.
- * To place a call with a contact that has no chat yet, use dc_create_chat_by_contact_id() first.
- *
- * UI will usually allow only one call at the same time,
- * this has to be tracked by UI across profile, the core does not track this.
- *
- * @memberof dc_context_t
- * @param context The context object.
- * @param chat_id The chat to place a call for.
- *     This needs to be a one-to-one chat.
- * @param place_call_info any data that other devices receive
- *     in #DC_EVENT_INCOMING_CALL.
- * @return ID of the system message announcing the call.
- */
-uint32_t        dc_place_outgoing_call       (dc_context_t* context, uint32_t chat_id, const char* place_call_info);
-
-
-/**
- * Accept incoming call.
- *
- * This implicitly accepts the contact request, if not yet done.
- * All affected devices will receive
- * either #DC_EVENT_OUTGOING_CALL_ACCEPTED or #DC_EVENT_INCOMING_CALL_ACCEPTED.
- *
- * If the call is already accepted or ended, nothing happens.
- * If the chat is a contact request, it is accepted implicitly.
- *
- * @memberof dc_context_t
- * @param context The context object.
- * @param msg_id The ID of the call to accept.
- *     This is the ID reported by #DC_EVENT_INCOMING_CALL
- *     and equals to the ID of the corresponding info message.
- * @param accept_call_info any data that other devices receive
- *     in #DC_EVENT_OUTGOING_CALL_ACCEPTED.
- * @return 1=success, 0=error
- */
- int            dc_accept_incoming_call      (dc_context_t* context, uint32_t msg_id, const char* accept_call_info);
-
-
- /**
-  * End incoming or outgoing call.
-  *
-  * For unaccepted calls ended by the caller, this is a "cancellation".
-  * Unaccepted calls ended by the callee are a "decline".
-  * If the call was accepted, this is a "hangup".
-  *
-  * All participant devices get informed about the ended call via #DC_EVENT_CALL_ENDED unless they are contact requests.
-  * For contact requests, the call times out on all other affected devices.
-  *
-  * If the message ID is wrong or does not exist for whatever reasons, nothing happens.
-  * Therefore, and for resilience, UI should remove the call UI directly when calling
-  * this function and not only on the event.
-  *
-  * If the call is already ended, nothing happens.
-  *
-  * @memberof dc_context_t
-  * @param context The context object.
-  * @param msg_id the ID of the call.
-  * @return 1=success, 0=error
-  */
- int            dc_end_call                  (dc_context_t* context, uint32_t msg_id);
-
-
 /**
 * Save a draft for a chat in the database.
 *
@@ -1399,14 +1332,12 @@ dc_msg_t*       dc_get_draft                 (dc_context_t* context, uint32_t ch
 * Optionally, some special markers added to the ID array may help to
 * implement virtual lists.
 *
- * To get the concrete time of the message, use dc_array_get_timestamp().
- *
 * @memberof dc_context_t
 * @param context The context object as returned from dc_context_new().
 * @param chat_id The chat ID of which the messages IDs should be queried.
 * @param flags If set to DC_GCM_ADDDAYMARKER, the marker DC_MSG_ID_DAYMARKER will
 *     be added before each day (regarding the local timezone). Set this to 0 if you do not want this behaviour.
- *     The day marker timestamp is the midnight one for the corresponding (following) day in the local timezone.
+ *     To get the concrete time of the marker, use dc_array_get_timestamp().
 *     If set to DC_GCM_INFO_ONLY, only system messages will be returned, can be combined with DC_GCM_ADDDAYMARKER.
 * @param marker1before Deprecated, set this to 0.
 * @return Array of message IDs, must be dc_array_unref()'d when no longer used.
@@ -1763,7 +1694,9 @@ dc_chat_t*      dc_get_chat                  (dc_context_t* context, uint32_t ch
 *
 * @memberof dc_context_t
 * @param context The context object.
- * @param protect Deprecated 2025-08-31, ignored.
+ * @param protect If set to 1 the function creates group with protection initially enabled.
+ *     Only verified members are allowed in these groups
+ *     and end-to-end-encryption is always enabled.
 * @param name The name of the group chat to create.
 *     The name may be changed later using dc_set_chat_name().
 *     To find out the name of a group later, see dc_chat_get_name()
@@ -2154,19 +2087,9 @@ int             dc_may_be_valid_addr         (const char* addr);


 /**
- * Looks up a known and unblocked contact with a given e-mail address.
+ * Check if an e-mail address belongs to a known and unblocked contact.
 * To get a list of all known and unblocked contacts, use dc_get_contacts().
 *
- * **POTENTIAL SECURITY ISSUE**: If there are multiple contacts with this address
- * (e.g. an address-contact and a key-contact),
- * this looks up the most recently seen contact,
- * i.e. which contact is returned depends on which contact last sent a message.
- * If the user just clicked on a mailto: link, then this is the best thing you can do.
- * But **DO NOT** internally represent contacts by their email address
- * and do not use this function to look them up;
- * otherwise this function will sometimes look up the wrong contact.
- * Instead, you should internally represent contacts by their ids.
- *
 * To validate an e-mail address independently of the contact database
 * use dc_may_be_valid_addr().
 *
@@ -2188,13 +2111,6 @@ uint32_t        dc_lookup_contact_id_by_addr (dc_context_t* context, const char*
 * To add a number of contacts, see dc_add_address_book() which is much faster for adding
 * a bunch of addresses.
 *
- * This will always create or look up an address-contact,
- * i.e. a contact identified by an email address,
- * with all messages sent to and from this contact being unencrypted.
- * If the user just clicked on an email address,
- * you should first check `lookup_contact_id_by_addr`,
- * and only if there is no contact yet, call this function here.
- *
 * May result in a #DC_EVENT_CONTACTS_CHANGED event.
 *
 * @memberof dc_context_t
@@ -2563,7 +2479,6 @@ void            dc_stop_ongoing_process      (dc_context_t* context);

 #define         DC_QR_ASK_VERIFYCONTACT      200 // id=contact
 #define         DC_QR_ASK_VERIFYGROUP        202 // text1=groupname
-#define         DC_QR_ASK_VERIFYBROADCAST    204 // text1=broadcast name
 #define         DC_QR_FPR_OK                 210 // id=contact
 #define         DC_QR_FPR_MISMATCH           220 // id=contact
 #define         DC_QR_FPR_WITHOUT_ADDR       230 // test1=formatted fingerprint
@@ -2571,6 +2486,7 @@ void            dc_stop_ongoing_process      (dc_context_t* context);
 #define         DC_QR_BACKUP                 251 // deprecated
 #define         DC_QR_BACKUP2                252
 #define         DC_QR_BACKUP_TOO_NEW         255
+#define         DC_QR_WEBRTC_INSTANCE        260 // text1=domain, text2=instance pattern
 #define         DC_QR_PROXY                  271 // text1=address (e.g. "127.0.0.1:9050")
 #define         DC_QR_ADDR                   320 // id=contact
 #define         DC_QR_TEXT                   330 // text1=text
@@ -2596,9 +2512,8 @@ void            dc_stop_ongoing_process      (dc_context_t* context);
 *   ask whether to verify the contact;
 *   if so, start the protocol with dc_join_securejoin().
 *
- * - DC_QR_ASK_VERIFYGROUP or DC_QR_ASK_VERIFYBROADCAST
- *   with dc_lot_t::text1=Group name:
- *   ask whether to join the chat;
+ * - DC_QR_ASK_VERIFYGROUP with dc_lot_t::text1=Group name:
+ *   ask whether to join the group;
 *   if so, start the protocol with dc_join_securejoin().
 *
 * - DC_QR_FPR_OK with dc_lot_t::id=Contact ID:
@@ -2625,6 +2540,10 @@ void            dc_stop_ongoing_process      (dc_context_t* context);
 *   show a hint to the user that this backup comes from a newer Delta Chat version
 *   and this device needs an update
 *
+ * - DC_QR_WEBRTC_INSTANCE with dc_lot_t::text1=domain:
+ *   ask the user if they want to use the given service for video chats;
+ *   if so, call dc_set_config_from_qr().
+ *
 * - DC_QR_PROXY with dc_lot_t::text1=address:
 *   ask the user if they want to use the given proxy.
 *   if so, call dc_set_config_from_qr() and restart I/O.
@@ -2681,8 +2600,7 @@ dc_lot_t*       dc_check_qr                  (dc_context_t* context, const char*
 * Get QR code text that will offer an Setup-Contact or Verified-Group invitation.
 *
 * The scanning device will pass the scanned content to dc_check_qr() then;
- * if dc_check_qr() returns
- * DC_QR_ASK_VERIFYCONTACT, DC_QR_ASK_VERIFYGROUP or DC_QR_ASK_VERIFYBROADCAST
+ * if dc_check_qr() returns DC_QR_ASK_VERIFYCONTACT or DC_QR_ASK_VERIFYGROUP
 * an out-of-band-verification can be joined using dc_join_securejoin()
 *
 * The returned text will also work as a normal https:-link,
@@ -2723,7 +2641,7 @@ char*           dc_get_securejoin_qr_svg         (dc_context_t* context, uint32_
 * Continue a Setup-Contact or Verified-Group-Invite protocol
 * started on another device with dc_get_securejoin_qr().
 * This function is typically called when dc_check_qr() returns
- * lot.state=DC_QR_ASK_VERIFYCONTACT, lot.state=DC_QR_ASK_VERIFYGROUP or lot.state=DC_QR_ASK_VERIFYBROADCAST
+ * lot.state=DC_QR_ASK_VERIFYCONTACT or lot.state=DC_QR_ASK_VERIFYGROUP.
 *
 * The function returns immediately and the handshake runs in background,
 * sending and receiving several messages.
@@ -3891,12 +3809,18 @@ int             dc_chat_can_send              (const dc_chat_t* chat);


 /**
- * Deprecated, always returns 0.
+ * Check if a chat is protected.
+ *
+ * Only verified contacts
+ * as determined by dc_contact_is_verified()
+ * can be added to protected chats.
+ *
+ * Protected chats are created using dc_create_group_chat()
+ * by setting the 'protect' parameter to 1.
 *
 * @memberof dc_chat_t
 * @param chat The chat object.
- * @return Always 0.
- * @deprecated 2025-09-09
+ * @return 1=chat protected, 0=chat is not protected.
 */
 int             dc_chat_is_protected         (const dc_chat_t* chat);

@@ -3916,6 +3840,28 @@ int             dc_chat_is_protected         (const dc_chat_t* chat);
 int             dc_chat_is_encrypted         (const dc_chat_t *chat);


+/**
+ * Checks if the chat was protected, and then an incoming message broke this protection.
+ *
+ * This function is only useful if the UI enabled the `verified_one_on_one_chats` feature flag,
+ * otherwise it will return false for all chats.
+ *
+ * 1:1 chats are automatically set as protected when a contact is verified.
+ * When a message comes in that is not encrypted / signed correctly,
+ * the chat is automatically set as unprotected again.
+ * dc_chat_is_protection_broken() will return true until dc_accept_chat() is called.
+ *
+ * The UI should let the user confirm that this is OK with a message like
+ * `Bob sent a message from another device. Tap to learn more` and then call dc_accept_chat().
+ *
+ * @deprecated 2025-07 chats protection cannot break any longer
+ * @memberof dc_chat_t
+ * @param chat The chat object.
+ * @return 1=chat protection broken, 0=otherwise.
+ */
+int             dc_chat_is_protection_broken (const dc_chat_t* chat);
+
+
 /**
 * Check if locations are sent to the chat
 * at the time the object was created using dc_get_chat().
@@ -4691,6 +4637,22 @@ int             dc_msg_is_setupmessage        (const dc_msg_t* msg);
 char*           dc_msg_get_setupcodebegin     (const dc_msg_t* msg);


+/**
+ * Get URL of a videochat invitation.
+ *
+ * Videochat invitations are sent out using dc_send_videochat_invitation()
+ * and dc_msg_get_viewtype() returns #DC_MSG_VIDEOCHAT_INVITATION for such invitations.
+ *
+ * @memberof dc_msg_t
+ * @param msg The message object.
+ * @return If the message contains a videochat invitation,
+ *     the URL of the invitation is returned.
+ *     If the message is no videochat invitation, NULL is returned.
+ *     Must be released using dc_str_unref() when done.
+ */
+char*           dc_msg_get_videochat_url (const dc_msg_t* msg);
+
+
 /**
 * Gets the error status of the message.
 * If there is no error associated with the message, NULL is returned.
@@ -4713,6 +4675,41 @@ char*           dc_msg_get_setupcodebegin     (const dc_msg_t* msg);
 char*           dc_msg_get_error               (const dc_msg_t* msg);


+/**
+ * Get type of videochat.
+ *
+ * Calling this functions only makes sense for messages of type #DC_MSG_VIDEOCHAT_INVITATION,
+ * in this case, if `basicwebrtc:` as of https://github.com/cracker0dks/basicwebrtc or `jitsi`
+ * were used to initiate the videochat,
+ * dc_msg_get_videochat_type() returns the corresponding type.
+ *
+ * The videochat URL can be retrieved using dc_msg_get_videochat_url().
+ * To check if a message is a videochat invitation at all, check the message type for #DC_MSG_VIDEOCHAT_INVITATION.
+ *
+ * @memberof dc_msg_t
+ * @param msg The message object.
+ * @return Type of the videochat as of DC_VIDEOCHATTYPE_BASICWEBRTC, DC_VIDEOCHATTYPE_JITSI or DC_VIDEOCHATTYPE_UNKNOWN.
+ *
+ * Example:
+ * ~~~
+ * if (dc_msg_get_viewtype(msg) == DC_MSG_VIDEOCHAT_INVITATION) {
+ *   if (dc_msg_get_videochat_type(msg) == DC_VIDEOCHATTYPE_BASICWEBRTC) {
+ *       // videochat invitation that we ship a client for
+ *   } else {
+ *       // use browser for videochat - or add an additional check for DC_VIDEOCHATTYPE_JITSI
+ *   }
+ * } else {
+ *    // not a videochat invitation
+ * }
+ * ~~~
+ */
+int dc_msg_get_videochat_type (const dc_msg_t* msg);
+
+#define DC_VIDEOCHATTYPE_UNKNOWN     0
+#define DC_VIDEOCHATTYPE_BASICWEBRTC 1
+#define DC_VIDEOCHATTYPE_JITSI       2
+
+
 /**
 * Checks if the message has a full HTML version.
 *
@@ -5345,9 +5342,11 @@ dc_provider_t*  dc_provider_new_from_email            (const dc_context_t* conte


 /**
- * Create a provider struct for the given e-mail address by local lookup.
+ * Create a provider struct for the given e-mail address by local and DNS lookup.
 *
- * DNS lookup is not used anymore and this function is deprecated.
+ * First lookup is done from the local database as of dc_provider_new_from_email().
+ * If the first lookup fails, an additional DNS lookup is done,
+ * trying to figure out the provider belonging to custom domains.
 *
 * @memberof dc_provider_t
 * @param context The context object.
@@ -5355,7 +5354,6 @@ dc_provider_t*  dc_provider_new_from_email            (const dc_context_t* conte
 * @return A dc_provider_t struct which can be used with the dc_provider_get_*
 *     accessor functions. If no provider info is found, NULL will be
 *     returned.
- * @deprecated 2025-10-17 use dc_provider_new_from_email() instead.
 */
 dc_provider_t*  dc_provider_new_from_email_with_dns    (const dc_context_t* context, const char* email);

@@ -5611,21 +5609,14 @@ int64_t         dc_lot_get_timestamp     (const dc_lot_t* lot);


 /**
- * Message indicating an incoming or outgoing call.
+ * Message indicating an incoming or outgoing videochat.
+ * The message was created via dc_send_videochat_invitation() on this or a remote device.
 *
- * These messages are created by dc_place_outgoing_call()
- * and should be rendered by UI similar to text messages,
- * maybe with some "phone icon" at the side.
- *
- * The message text is updated as needed
- * and UI will be informed via #DC_EVENT_MSGS_CHANGED as usual.
- *
- * Do not start ringing when seeing this message;
- * the mesage may belong e.g. to an old missed call.
- *
- * Instead, ringing should start on the event #DC_EVENT_INCOMING_CALL
+ * Typically, such messages are rendered differently by the UIs,
+ * e.g. contain a button to join the videochat.
+ * The URL for joining can be retrieved using dc_msg_get_videochat_url().
 */
-#define DC_MSG_CALL 71
+#define DC_MSG_VIDEOCHAT_INVITATION 70


 /**
@@ -6470,7 +6461,11 @@ void dc_event_unref(dc_event_t* event);
 * generated by dc_get_securejoin_qr().
 *
 * @param data1 (int) The ID of the contact that wants to join.
- * @param data2 (int) The progress, always 1000.
+ * @param data2 (int) The progress as:
+ *     300=vg-/vc-request received, typically shown as "bob@addr joins".
+ *     600=vg-/vc-request-with-auth received, vg-member-added/vc-contact-confirm sent, typically shown as "bob@addr verified".
+ *     800=contact added to chat, shown as "bob@addr securely joined GROUP". Only for the verified-group-protocol.
+ *     1000=Protocol finished for this contact.
 */
 #define DC_EVENT_SECUREJOIN_INVITER_PROGRESS      2060

@@ -6622,60 +6617,6 @@ void dc_event_unref(dc_event_t* event);
 */
 #define DC_EVENT_CHANNEL_OVERFLOW              2400

-
-
-/**
- * Incoming call.
- * UI will usually start ringing,
- * or show a notification if there is already a call in some profile.
- *
- * Together with this event,
- * a message of type #DC_MSG_CALL is added to the corresponding chat;
- * this message is announced and updated by the usual event as #DC_EVENT_MSGS_CHANGED,
- * there is usually no need to take care of this message from any of the CALL events.
- *
- * If user takes action, dc_accept_incoming_call() or dc_end_call() should be called.
- *
- * Otherwise, ringing should end on #DC_EVENT_CALL_ENDED
- * or #DC_EVENT_INCOMING_CALL_ACCEPTED
- *
- * @param data1 (int) msg_id ID of the message referring to the call.
- * @param data2 (char*) place_call_info, text passed to dc_place_outgoing_call()
- * @param data2 (int) 1 if incoming call is a video call, 0 otherwise
- */
-#define DC_EVENT_INCOMING_CALL                            2550
-
-/**
- * The callee accepted an incoming call on this or another device using dc_accept_incoming_call().
- * The caller gets the event #DC_EVENT_OUTGOING_CALL_ACCEPTED at the same time.
- *
- * UI usually only takes action in case call UI was opened before, otherwise the event should be ignored.
- *
- * @param data1 (int) msg_id ID of the message referring to the call
- */
- #define DC_EVENT_INCOMING_CALL_ACCEPTED                  2560
-
-/**
- * A call placed using dc_place_outgoing_call() was accepted by the callee using dc_accept_incoming_call().
- *
- * UI usually only takes action in case call UI was opened before, otherwise the event should be ignored.
- *
- * @param data1 (int) msg_id ID of the message referring to the call
- * @param data2 (char*) accept_call_info, text passed to dc_accept_incoming_call()
- */
-#define DC_EVENT_OUTGOING_CALL_ACCEPTED                   2570
-
-/**
- * An incoming or outgoing call was ended using dc_end_call() on this or another device, by caller or callee.
- * Moreover, the event is sent when the call was not accepted within 1 minute timeout.
- *
- * UI usually only takes action in case call UI was opened before, otherwise the event should be ignored.
- *
- * @param data1 (int) msg_id ID of the message referring to the call
- */
-#define DC_EVENT_CALL_ENDED                               2580
-
-
 /**
 * @}
 */
@@ -6959,6 +6900,11 @@ void dc_event_unref(dc_event_t* event);
 /// Used to build the string returned by dc_get_contact_encrinfo().
 #define DC_STR_ENCR_NONE                  28

+/// "This message was encrypted for another setup."
+///
+/// Used as message text if decryption fails.
+#define DC_STR_CANTDECRYPT_MSG_BODY       29
+
 /// "Fingerprints"
 ///
 /// Used to build the string returned by dc_get_contact_encrinfo().
@@ -7091,8 +7037,6 @@ void dc_event_unref(dc_event_t* event);
 /// "Unknown sender for this chat. See 'info' for more details."
 ///
 /// Use as message text if assigning the message to a chat is not totally correct.
-///
-/// @deprecated 2025-08-18
 #define DC_STR_UNKNOWN_SENDER_FOR_CHAT    72

 /// "Message from %1$s"
@@ -7155,6 +7099,17 @@ void dc_event_unref(dc_event_t* event);
 /// @deprecated Deprecated 2021-01-30, DC_STR_EPHEMERAL_WEEKS is used instead.
 #define DC_STR_EPHEMERAL_FOUR_WEEKS       81

+/// "Video chat invitation"
+///
+/// Used in summaries.
+#define DC_STR_VIDEOCHAT_INVITATION       82
+
+/// "You are invited to a video chat, click %1$s to join."
+///
+/// Used as message text of outgoing video chat invitations.
+/// - %1$s will be replaced by the URL of the video chat
+#define DC_STR_VIDEOCHAT_INVITE_MSG_BODY  83
+
 /// "Error: %1$s"
 ///
 /// Used in error strings.
@@ -7453,7 +7408,7 @@ void dc_event_unref(dc_event_t* event);
 /// Used in status messages.
 #define DC_STR_REMOVE_MEMBER_BY_OTHER 131

-/// "You left the group."
+/// "You left."
 ///
 /// Used in status messages.
 #define DC_STR_GROUP_LEFT_BY_YOU 132
@@ -7624,18 +7579,6 @@ void dc_event_unref(dc_event_t* event);
 /// `%2$s` will be replaced by name and address of the contact.
 #define DC_STR_EPHEMERAL_TIMER_WEEKS_BY_OTHER 157

-/// "You set message deletion timer to 1 year."
-///
-/// Used in status messages.
-#define DC_STR_EPHEMERAL_TIMER_1_YEAR_BY_YOU 158
-
-/// "Message deletion timer is set to 1 year by %1$s."
-///
-/// `%1$s` will be replaced by name and address of the contact.
-///
-/// Used in status messages.
-#define DC_STR_EPHEMERAL_TIMER_1_YEAR_BY_OTHER 159
-
 /// "Scan to set up second device for %1$s"
 ///
 /// `%1$s` will be replaced by name and address of the account.
@@ -7712,42 +7655,8 @@ void dc_event_unref(dc_event_t* event);
 /// "❤️ Seems you're enjoying Delta Chat!"… (donation request device message)
 #define DC_STR_DONATION_REQUEST 193

-/// "Outgoing call"
-#define DC_STR_OUTGOING_CALL 194
-
-/// "Incoming call"
-#define DC_STR_INCOMING_CALL 195
-
-/// "Declined call"
-#define DC_STR_DECLINED_CALL 196
-
-/// "Canceled call"
-#define DC_STR_CANCELED_CALL 197
-
-/// "Missed call"
-#define DC_STR_MISSED_CALL 198
-
-/// "You left the channel."
-///
-/// Used in status messages.
-#define DC_STR_CHANNEL_LEFT_BY_YOU 200
-
-/// "Scan to join channel %1$s"
-///
-/// Subtitle for channel join qrcode svg image generated by the core.
-///
-/// `%1$s` will be replaced with the channel name.
-#define DC_STR_SECURE_JOIN_CHANNEL_QR_DESC  201
-
-/// "Proxy Enabled"
-///
-/// Title for proxy section in connectivity view.
-#define DC_STR_PROXY_ENABLED  220
-
-/// "You are using a proxy. If you're having trouble connecting, try a different proxy."
-///
-/// Description in connectivity view when proxy is enabled.
-#define DC_STR_PROXY_ENABLED_DESCRIPTION  221
+/// "Contact". Deprecated, currently unused.
+#define DC_STR_CONTACT 200

 /**
 * @}
--- a/deltachat-ffi/src/lib.rs
+++ b/deltachat-ffi/src/lib.rs
@@ -22,7 +22,7 @@ use std::sync::{Arc, LazyLock};
 use std::time::{Duration, SystemTime};

 use anyhow::Context as _;
-use deltachat::chat::{ChatId, ChatVisibility, MessageListOptions, MuteDuration};
+use deltachat::chat::{ChatId, ChatVisibility, MessageListOptions, MuteDuration, ProtectionStatus};
 use deltachat::constants::DC_MSG_ID_LAST_SPECIAL;
 use deltachat::contact::{Contact, ContactId, Origin};
 use deltachat::context::{Context, ContextBuilder};
@@ -39,6 +39,7 @@ use deltachat_jsonrpc::api::CommandApi;
 use deltachat_jsonrpc::yerpc::{OutReceiver, RpcClient, RpcSession};
 use message::Viewtype;
 use num_traits::{FromPrimitive, ToPrimitive};
+use rand::Rng;
 use tokio::runtime::Runtime;
 use tokio::sync::RwLock;
 use tokio::task::JoinHandle;
@@ -100,7 +101,7 @@ pub unsafe extern "C" fn dc_context_new(

    let ctx = if blobdir.is_null() || *blobdir == 0 {
        // generate random ID as this functionality is not yet available on the C-api.
-        let id = rand::random();
+        let id = rand::thread_rng().gen();
        block_on(
            ContextBuilder::new(as_path(dbfile).to_path_buf())
                .with_id(id)
@@ -128,7 +129,7 @@ pub unsafe extern "C" fn dc_context_new_closed(dbfile: *const libc::c_char) -> *
        return ptr::null_mut();
    }

-    let id = rand::random();
+    let id = rand::thread_rng().gen();
    match block_on(
        ContextBuilder::new(as_path(dbfile).to_path_buf())
            .with_id(id)
@@ -374,7 +375,7 @@ pub unsafe extern "C" fn dc_get_connectivity(context: *const dc_context_t) -> li
        return 0;
    }
    let ctx = &*context;
-    ctx.get_connectivity() as u32 as libc::c_int
+    block_on(ctx.get_connectivity()) as u32 as libc::c_int
 }

 #[no_mangle]
@@ -555,10 +556,6 @@ pub unsafe extern "C" fn dc_event_get_id(event: *mut dc_event_t) -> libc::c_int
        EventType::AccountsChanged => 2302,
        EventType::AccountsItemChanged => 2303,
        EventType::EventChannelOverflow { .. } => 2400,
-        EventType::IncomingCall { .. } => 2550,
-        EventType::IncomingCallAccepted { .. } => 2560,
-        EventType::OutgoingCallAccepted { .. } => 2570,
-        EventType::CallEnded { .. } => 2580,
        #[allow(unreachable_patterns)]
        #[cfg(test)]
        _ => unreachable!("This is just to silence a rust_analyzer false-positive"),
@@ -622,11 +619,7 @@ pub unsafe extern "C" fn dc_event_get_data1_int(event: *mut dc_event_t) -> libc:
        EventType::WebxdcRealtimeData { msg_id, .. }
        | EventType::WebxdcStatusUpdate { msg_id, .. }
        | EventType::WebxdcRealtimeAdvertisementReceived { msg_id }
-        | EventType::WebxdcInstanceDeleted { msg_id, .. }
-        | EventType::IncomingCall { msg_id, .. }
-        | EventType::IncomingCallAccepted { msg_id, .. }
-        | EventType::OutgoingCallAccepted { msg_id, .. }
-        | EventType::CallEnded { msg_id, .. } => msg_id.to_u32() as libc::c_int,
+        | EventType::WebxdcInstanceDeleted { msg_id, .. } => msg_id.to_u32() as libc::c_int,
        EventType::ChatlistItemChanged { chat_id } => {
            chat_id.unwrap_or_default().to_u32() as libc::c_int
        }
@@ -678,9 +671,6 @@ pub unsafe extern "C" fn dc_event_get_data2_int(event: *mut dc_event_t) -> libc:
        | EventType::ChatModified(_)
        | EventType::ChatDeleted { .. }
        | EventType::WebxdcRealtimeAdvertisementReceived { .. }
-        | EventType::IncomingCallAccepted { .. }
-        | EventType::OutgoingCallAccepted { .. }
-        | EventType::CallEnded { .. }
        | EventType::EventChannelOverflow { .. } => 0,
        EventType::MsgsChanged { msg_id, .. }
        | EventType::ReactionsChanged { msg_id, .. }
@@ -699,8 +689,6 @@ pub unsafe extern "C" fn dc_event_get_data2_int(event: *mut dc_event_t) -> libc:
            ..
        } => status_update_serial.to_u32() as libc::c_int,
        EventType::WebxdcRealtimeData { data, .. } => data.len() as libc::c_int,
-        EventType::IncomingCall { has_video, .. } => *has_video as libc::c_int,
-
        #[allow(unreachable_patterns)]
        #[cfg(test)]
        _ => unreachable!("This is just to silence a rust_analyzer false-positive"),
@@ -779,21 +767,8 @@ pub unsafe extern "C" fn dc_event_get_data2_str(event: *mut dc_event_t) -> *mut
        | EventType::ChatlistChanged
        | EventType::AccountsChanged
        | EventType::AccountsItemChanged
-        | EventType::IncomingCallAccepted { .. }
-        | EventType::WebxdcRealtimeAdvertisementReceived { .. } => ptr::null_mut(),
-        EventType::IncomingCall {
-            place_call_info, ..
-        } => {
-            let data2 = place_call_info.to_c_string().unwrap_or_default();
-            data2.into_raw()
-        }
-        EventType::OutgoingCallAccepted {
-            accept_call_info, ..
-        } => {
-            let data2 = accept_call_info.to_c_string().unwrap_or_default();
-            data2.into_raw()
-        }
-        EventType::CallEnded { .. } | EventType::EventChannelOverflow { .. } => ptr::null_mut(),
+        | EventType::WebxdcRealtimeAdvertisementReceived { .. }
+        | EventType::EventChannelOverflow { .. } => ptr::null_mut(),
        EventType::ConfigureProgress { comment, .. } => {
            if let Some(comment) = comment {
                comment.to_c_string().unwrap_or_default().into_raw()
@@ -1097,6 +1072,25 @@ pub unsafe extern "C" fn dc_send_delete_request(
        .ok();
 }

+#[no_mangle]
+pub unsafe extern "C" fn dc_send_videochat_invitation(
+    context: *mut dc_context_t,
+    chat_id: u32,
+) -> u32 {
+    if context.is_null() {
+        eprintln!("ignoring careless call to dc_send_videochat_invitation()");
+        return 0;
+    }
+    let ctx = &*context;
+
+    block_on(async move {
+        chat::send_videochat_invitation(ctx, ChatId::new(chat_id))
+            .await
+            .map(|msg_id| msg_id.to_u32())
+            .unwrap_or_log_default(ctx, "Failed to send video chat invitation")
+    })
+}
+
 #[no_mangle]
 pub unsafe extern "C" fn dc_send_webxdc_status_update(
    context: *mut dc_context_t,
@@ -1173,61 +1167,6 @@ pub unsafe extern "C" fn dc_init_webxdc_integration(
        .unwrap_or(0)
 }

-#[no_mangle]
-pub unsafe extern "C" fn dc_place_outgoing_call(
-    context: *mut dc_context_t,
-    chat_id: u32,
-    place_call_info: *const libc::c_char,
-) -> u32 {
-    if context.is_null() || chat_id == 0 {
-        eprintln!("ignoring careless call to dc_place_outgoing_call()");
-        return 0;
-    }
-    let ctx = &*context;
-    let chat_id = ChatId::new(chat_id);
-    let place_call_info = to_string_lossy(place_call_info);
-
-    block_on(ctx.place_outgoing_call(chat_id, place_call_info))
-        .context("Failed to place call")
-        .log_err(ctx)
-        .map(|msg_id| msg_id.to_u32())
-        .unwrap_or_log_default(ctx, "Failed to place call")
-}
-
-#[no_mangle]
-pub unsafe extern "C" fn dc_accept_incoming_call(
-    context: *mut dc_context_t,
-    msg_id: u32,
-    accept_call_info: *const libc::c_char,
-) -> libc::c_int {
-    if context.is_null() || msg_id == 0 {
-        eprintln!("ignoring careless call to dc_accept_incoming_call()");
-        return 0;
-    }
-    let ctx = &*context;
-    let msg_id = MsgId::new(msg_id);
-    let accept_call_info = to_string_lossy(accept_call_info);
-
-    block_on(ctx.accept_incoming_call(msg_id, accept_call_info))
-        .context("Failed to accept call")
-        .is_ok() as libc::c_int
-}
-
-#[no_mangle]
-pub unsafe extern "C" fn dc_end_call(context: *mut dc_context_t, msg_id: u32) -> libc::c_int {
-    if context.is_null() || msg_id == 0 {
-        eprintln!("ignoring careless call to dc_end_call()");
-        return 0;
-    }
-    let ctx = &*context;
-    let msg_id = MsgId::new(msg_id);
-
-    block_on(ctx.end_call(msg_id))
-        .context("Failed to end call")
-        .log_err(ctx)
-        .is_ok() as libc::c_int
-}
-
 #[no_mangle]
 pub unsafe extern "C" fn dc_set_draft(
    context: *mut dc_context_t,
@@ -1720,7 +1659,7 @@ pub unsafe extern "C" fn dc_get_chat(context: *mut dc_context_t, chat_id: u32) -
 #[no_mangle]
 pub unsafe extern "C" fn dc_create_group_chat(
    context: *mut dc_context_t,
-    _protect: libc::c_int,
+    protect: libc::c_int,
    name: *const libc::c_char,
 ) -> u32 {
    if context.is_null() || name.is_null() {
@@ -1728,12 +1667,22 @@ pub unsafe extern "C" fn dc_create_group_chat(
        return 0;
    }
    let ctx = &*context;
-
-    block_on(chat::create_group(ctx, &to_string_lossy(name)))
-        .context("Failed to create group chat")
+    let Some(protect) = ProtectionStatus::from_i32(protect)
+        .context("Bad protect-value for dc_create_group_chat()")
        .log_err(ctx)
-        .map(|id| id.to_u32())
-        .unwrap_or(0)
+        .ok()
+    else {
+        return 0;
+    };
+
+    block_on(async move {
+        chat::create_group_chat(ctx, protect, &to_string_lossy(name))
+            .await
+            .context("Failed to create group chat")
+            .log_err(ctx)
+            .map(|id| id.to_u32())
+            .unwrap_or(0)
+    })
 }

 #[no_mangle]
@@ -3195,8 +3144,13 @@ pub unsafe extern "C" fn dc_chat_can_send(chat: *mut dc_chat_t) -> libc::c_int {
 }

 #[no_mangle]
-pub extern "C" fn dc_chat_is_protected(_chat: *mut dc_chat_t) -> libc::c_int {
-    0
+pub unsafe extern "C" fn dc_chat_is_protected(chat: *mut dc_chat_t) -> libc::c_int {
+    if chat.is_null() {
+        eprintln!("ignoring careless call to dc_chat_is_protected()");
+        return 0;
+    }
+    let ffi_chat = &*chat;
+    ffi_chat.chat.is_protected() as libc::c_int
 }

 #[no_mangle]
@@ -3211,6 +3165,16 @@ pub unsafe extern "C" fn dc_chat_is_encrypted(chat: *mut dc_chat_t) -> libc::c_i
        .unwrap_or_log_default(&ffi_chat.context, "Failed dc_chat_is_encrypted") as libc::c_int
 }

+#[no_mangle]
+pub unsafe extern "C" fn dc_chat_is_protection_broken(chat: *mut dc_chat_t) -> libc::c_int {
+    if chat.is_null() {
+        eprintln!("ignoring careless call to dc_chat_is_protection_broken()");
+        return 0;
+    }
+    let ffi_chat = &*chat;
+    ffi_chat.chat.is_protection_broken() as libc::c_int
+}
+
 #[no_mangle]
 pub unsafe extern "C" fn dc_chat_is_sending_locations(chat: *mut dc_chat_t) -> libc::c_int {
    if chat.is_null() {
@@ -3819,6 +3783,31 @@ pub unsafe extern "C" fn dc_msg_has_html(msg: *mut dc_msg_t) -> libc::c_int {
    ffi_msg.message.has_html().into()
 }

+#[no_mangle]
+pub unsafe extern "C" fn dc_msg_get_videochat_url(msg: *mut dc_msg_t) -> *mut libc::c_char {
+    if msg.is_null() {
+        eprintln!("ignoring careless call to dc_msg_get_videochat_url()");
+        return "".strdup();
+    }
+    let ffi_msg = &*msg;
+
+    ffi_msg
+        .message
+        .get_videochat_url()
+        .unwrap_or_default()
+        .strdup()
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn dc_msg_get_videochat_type(msg: *mut dc_msg_t) -> libc::c_int {
+    if msg.is_null() {
+        eprintln!("ignoring careless call to dc_msg_get_videochat_type()");
+        return 0;
+    }
+    let ffi_msg = &*msg;
+    ffi_msg.message.get_videochat_type().unwrap_or_default() as i32
+}
+
 #[no_mangle]
 pub unsafe extern "C" fn dc_msg_get_setupcodebegin(msg: *mut dc_msg_t) -> *mut libc::c_char {
    if msg.is_null() {
@@ -4645,9 +4634,13 @@ pub unsafe extern "C" fn dc_provider_new_from_email(

    let ctx = &*context;

-    match provider::get_provider_info_by_addr(addr.as_str())
-        .log_err(ctx)
-        .unwrap_or_default()
+    match block_on(provider::get_provider_info_by_addr(
+        ctx,
+        addr.as_str(),
+        true,
+    ))
+    .log_err(ctx)
+    .unwrap_or_default()
    {
        Some(provider) => provider,
        None => ptr::null_mut(),
@@ -4666,13 +4659,25 @@ pub unsafe extern "C" fn dc_provider_new_from_email_with_dns(
    let addr = to_string_lossy(addr);

    let ctx = &*context;
+    let proxy_enabled = block_on(ctx.get_config_bool(config::Config::ProxyEnabled))
+        .context("Can't get config")
+        .log_err(ctx);

-    match provider::get_provider_info_by_addr(addr.as_str())
-        .log_err(ctx)
-        .unwrap_or_default()
-    {
-        Some(provider) => provider,
-        None => ptr::null_mut(),
+    match proxy_enabled {
+        Ok(proxy_enabled) => {
+            match block_on(provider::get_provider_info_by_addr(
+                ctx,
+                addr.as_str(),
+                proxy_enabled,
+            ))
+            .log_err(ctx)
+            .unwrap_or_default()
+            {
+                Some(provider) => provider,
+                None => ptr::null_mut(),
+            }
+        }
+        Err(_) => ptr::null_mut(),
    }
 }

--- a/deltachat-ffi/src/lot.rs
+++ b/deltachat-ffi/src/lot.rs
@@ -45,13 +45,13 @@ impl Lot {
            Self::Qr(qr) => match qr {
                Qr::AskVerifyContact { .. } => None,
                Qr::AskVerifyGroup { grpname, .. } => Some(Cow::Borrowed(grpname)),
-                Qr::AskJoinBroadcast { name, .. } => Some(Cow::Borrowed(name)),
                Qr::FprOk { .. } => None,
                Qr::FprMismatch { .. } => None,
                Qr::FprWithoutAddr { fingerprint, .. } => Some(Cow::Borrowed(fingerprint)),
                Qr::Account { domain } => Some(Cow::Borrowed(domain)),
                Qr::Backup2 { .. } => None,
                Qr::BackupTooNew { .. } => None,
+                Qr::WebrtcInstance { domain, .. } => Some(Cow::Borrowed(domain)),
                Qr::Proxy { host, port, .. } => Some(Cow::Owned(format!("{host}:{port}"))),
                Qr::Addr { draft, .. } => draft.as_deref().map(Cow::Borrowed),
                Qr::Url { url } => Some(Cow::Borrowed(url)),
@@ -99,13 +99,13 @@ impl Lot {
            Self::Qr(qr) => match qr {
                Qr::AskVerifyContact { .. } => LotState::QrAskVerifyContact,
                Qr::AskVerifyGroup { .. } => LotState::QrAskVerifyGroup,
-                Qr::AskJoinBroadcast { .. } => LotState::QrAskJoinBroadcast,
                Qr::FprOk { .. } => LotState::QrFprOk,
                Qr::FprMismatch { .. } => LotState::QrFprMismatch,
                Qr::FprWithoutAddr { .. } => LotState::QrFprWithoutAddr,
                Qr::Account { .. } => LotState::QrAccount,
                Qr::Backup2 { .. } => LotState::QrBackup2,
                Qr::BackupTooNew { .. } => LotState::QrBackupTooNew,
+                Qr::WebrtcInstance { .. } => LotState::QrWebrtcInstance,
                Qr::Proxy { .. } => LotState::QrProxy,
                Qr::Addr { .. } => LotState::QrAddr,
                Qr::Url { .. } => LotState::QrUrl,
@@ -126,13 +126,13 @@ impl Lot {
            Self::Qr(qr) => match qr {
                Qr::AskVerifyContact { contact_id, .. } => contact_id.to_u32(),
                Qr::AskVerifyGroup { .. } => Default::default(),
-                Qr::AskJoinBroadcast { .. } => Default::default(),
                Qr::FprOk { contact_id } => contact_id.to_u32(),
                Qr::FprMismatch { contact_id } => contact_id.unwrap_or_default().to_u32(),
                Qr::FprWithoutAddr { .. } => Default::default(),
                Qr::Account { .. } => Default::default(),
                Qr::Backup2 { .. } => Default::default(),
                Qr::BackupTooNew { .. } => Default::default(),
+                Qr::WebrtcInstance { .. } => Default::default(),
                Qr::Proxy { .. } => Default::default(),
                Qr::Addr { contact_id, .. } => contact_id.to_u32(),
                Qr::Url { .. } => Default::default(),
@@ -169,9 +169,6 @@ pub enum LotState {
    /// text1=groupname
    QrAskVerifyGroup = 202,

-    /// text1=broadcast_name
-    QrAskJoinBroadcast = 204,
-
    /// id=contact
    QrFprOk = 210,

@@ -188,6 +185,9 @@ pub enum LotState {

    QrBackupTooNew = 255,

+    /// text1=domain, text2=instance pattern
+    QrWebrtcInstance = 260,
+
    /// text1=address, text2=protocol
    QrProxy = 271,

--- a/deltachat-jsonrpc/Cargo.toml
+++ b/deltachat-jsonrpc/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat-jsonrpc"
-version = "2.24.0"
+version = "2.6.0"
 description = "DeltaChat JSON-RPC API"
 edition = "2021"
 license = "MPL-2.0"
--- a/deltachat-jsonrpc/src/api.rs
+++ b/deltachat-jsonrpc/src/api.rs
@@ -8,10 +8,10 @@ use std::{collections::HashMap, str::FromStr};
 use anyhow::{anyhow, bail, ensure, Context, Result};
 pub use deltachat::accounts::Accounts;
 use deltachat::blob::BlobObject;
-use deltachat::calls::ice_servers;
 use deltachat::chat::{
    self, add_contact_to_chat, forward_msgs, get_chat_media, get_chat_msgs, get_chat_msgs_ex,
    marknoticed_chat, remove_contact_from_chat, Chat, ChatId, ChatItem, MessageListOptions,
+    ProtectionStatus,
 };
 use deltachat::chatlist::Chatlist;
 use deltachat::config::Config;
@@ -47,27 +47,25 @@ pub mod types;

 use num_traits::FromPrimitive;
 use types::account::Account;
-use types::calls::JsonrpcCallInfo;
 use types::chat::FullChat;
 use types::contact::{ContactObject, VcardContact};
 use types::events::Event;
 use types::http::HttpResponse;
 use types::message::{MessageData, MessageObject, MessageReadReceipt};
-use types::notify_state::JsonrpcNotifyState;
 use types::provider_info::ProviderInfo;
-use types::reactions::JsonrpcReactions;
+use types::reactions::JSONRPCReactions;
 use types::webxdc::WebxdcMessageInfo;

 use self::types::message::{MessageInfo, MessageLoadResult};
 use self::types::{
-    chat::{BasicChat, JsonrpcChatVisibility, MuteDuration},
+    chat::{BasicChat, JSONRPCChatVisibility, MuteDuration},
    location::JsonrpcLocation,
    message::{
-        JsonrpcMessageListItem, MessageNotificationInfo, MessageSearchResult, MessageViewtype,
+        JSONRPCMessageListItem, MessageNotificationInfo, MessageSearchResult, MessageViewtype,
    },
 };
 use crate::api::types::chat_list::{get_chat_list_item_by_id, ChatListItemFetchResult};
-use crate::api::types::qr::{QrObject, SecurejoinSource, SecurejoinUiPath};
+use crate::api::types::qr::QrObject;

 #[derive(Debug)]
 struct AccountState {
@@ -93,8 +91,7 @@ pub struct CommandApi {

    /// Receiver side of the event channel.
    ///
-    /// Events from it can be received by calling
-    /// [`CommandApi::get_next_event`] method.
+    /// Events from it can be received by calling `get_next_event` method.
    event_emitter: Arc<EventEmitter>,

    states: Arc<Mutex<BTreeMap<u32, AccountState>>>,
@@ -126,7 +123,7 @@ impl CommandApi {
            .read()
            .await
            .get_account(id)
-            .ok_or_else(|| anyhow!("account with id {id} not found"))?;
+            .ok_or_else(|| anyhow!("account with id {} not found", id))?;
        Ok(sc)
    }

@@ -176,15 +173,7 @@ impl CommandApi {
        get_info()
    }

-    /// Get the next event, and remove it from the event queue.
-    ///
-    /// If no events have happened since the last `get_next_event`
-    /// (i.e. if the event queue is empty), the response will be returned
-    /// only when a new event fires.
-    ///
-    /// Note that if you are using the `BaseDeltaChat` JavaScript class
-    /// or the `Rpc` Python class, this function will be invoked
-    /// by those classes internally and should not be used manually.
+    /// Get the next event.
    async fn get_next_event(&self) -> Result<Event> {
        self.event_emitter
            .recv()
@@ -308,17 +297,12 @@ impl CommandApi {
            Ok(Account::from_context(&ctx, account_id).await?)
        } else {
            Err(anyhow!(
-                "account with id {account_id} doesn't exist anymore"
+                "account with id {} doesn't exist anymore",
+                account_id
            ))
        }
    }

-    /// Get the current push notification state.
-    async fn get_push_state(&self, account_id: u32) -> Result<JsonrpcNotifyState> {
-        let ctx = self.get_context(account_id).await?;
-        Ok(ctx.push_state().await.into())
-    }
-
    /// Get the combined filesize of an account in bytes
    async fn get_account_file_size(&self, account_id: u32) -> Result<u64> {
        let ctx = self.get_context(account_id).await?;
@@ -342,10 +326,21 @@ impl CommandApi {
    /// instead of the domain.
    async fn get_provider_info(
        &self,
-        _account_id: u32,
+        account_id: u32,
        email: String,
    ) -> Result<Option<ProviderInfo>> {
-        let provider_info = get_provider_info(email.split('@').next_back().unwrap_or(""));
+        let ctx = self.get_context(account_id).await?;
+
+        let proxy_enabled = ctx
+            .get_config_bool(deltachat::config::Config::ProxyEnabled)
+            .await?;
+
+        let provider_info = get_provider_info(
+            &ctx,
+            email.split('@').next_back().unwrap_or(""),
+            proxy_enabled,
+        )
+        .await;
        Ok(ProviderInfo::from_dc_type(provider_info))
    }

@@ -388,6 +383,11 @@ impl CommandApi {
        Ok(BlobObject::create_and_deduplicate(&ctx, file, file)?.to_abs_path())
    }

+    async fn draft_self_report(&self, account_id: u32) -> Result<u32> {
+        let ctx = self.get_context(account_id).await?;
+        Ok(ctx.draft_self_report().await?.to_u32())
+    }
+
    /// Sets the given configuration key.
    async fn set_config(&self, account_id: u32, key: String, value: Option<String>) -> Result<()> {
        let ctx = self.get_context(account_id).await?;
@@ -886,38 +886,6 @@ impl CommandApi {
        Ok(chat_id.to_u32())
    }

-    /// Like `secure_join()`, but allows to pass a source and a UI-path.
-    /// You only need this if your UI has an option to send statistics
-    /// to Delta Chat's developers.
-    ///
-    /// **source**: The source where the QR code came from.
-    /// E.g. a link that was clicked inside or outside Delta Chat,
-    /// the "Paste from Clipboard" action,
-    /// the "Load QR code as image" action,
-    /// or a QR code scan.
-    ///
-    /// **uipath**: Which UI path did the user use to arrive at the QR code screen.
-    /// If the SecurejoinSource was ExternalLink or InternalLink,
-    /// pass `None` here, because the QR code screen wasn't even opened.
-    /// ```
-    async fn secure_join_with_ux_info(
-        &self,
-        account_id: u32,
-        qr: String,
-        source: Option<SecurejoinSource>,
-        uipath: Option<SecurejoinUiPath>,
-    ) -> Result<u32> {
-        let ctx = self.get_context(account_id).await?;
-        let chat_id = securejoin::join_securejoin_with_ux_info(
-            &ctx,
-            &qr,
-            source.map(Into::into),
-            uipath.map(Into::into),
-        )
-        .await?;
-        Ok(chat_id.to_u32())
-    }
-
    async fn leave_group(&self, account_id: u32, chat_id: u32) -> Result<()> {
        let ctx = self.get_context(account_id).await?;
        remove_contact_from_chat(&ctx, ChatId::new(chat_id), ContactId::SELF).await
@@ -1001,25 +969,28 @@ impl CommandApi {
    /// To check, if a chat is still unpromoted, you can look at the `is_unpromoted` property of `BasicChat` or `FullChat`.
    /// This may be useful if you want to show some help for just created groups.
    ///
-    /// `protect` argument is deprecated as of 2025-10-22 and is left for compatibility.
-    /// Pass `false` here.
-    async fn create_group_chat(
-        &self,
-        account_id: u32,
-        name: String,
-        _protect: bool,
-    ) -> Result<u32> {
+    /// @param protect If set to 1 the function creates group with protection initially enabled.
+    ///     Only verified members are allowed in these groups
+    async fn create_group_chat(&self, account_id: u32, name: String, protect: bool) -> Result<u32> {
        let ctx = self.get_context(account_id).await?;
-        chat::create_group(&ctx, &name).await.map(|id| id.to_u32())
+        let protect = match protect {
+            true => ProtectionStatus::Protected,
+            false => ProtectionStatus::Unprotected,
+        };
+        chat::create_group_ex(&ctx, Some(protect), &name)
+            .await
+            .map(|id| id.to_u32())
    }

    /// Create a new unencrypted group chat.
    ///
    /// Same as [`Self::create_group_chat`], but the chat is unencrypted and can only have
-    /// address-contacts.
+    /// address-contacts. NB: Chats with similar names and the same members are merged on other
+    /// devices, but usually users don't create such chats and look up the existing one instead, so
+    /// chat split on the first device is acceptable.
    async fn create_group_chat_unencrypted(&self, account_id: u32, name: String) -> Result<u32> {
        let ctx = self.get_context(account_id).await?;
-        chat::create_group_unencrypted(&ctx, &name)
+        chat::create_group_ex(&ctx, None, &name)
            .await
            .map(|id| id.to_u32())
    }
@@ -1030,7 +1001,7 @@ impl CommandApi {
            .await
    }

-    /// Create a new, outgoing **broadcast channel**
+    /// Create a new **broadcast channel**
    /// (called "Channel" in the UI).
    ///
    /// Broadcast channels are similar to groups on the sending device,
@@ -1091,7 +1062,7 @@ impl CommandApi {
        &self,
        account_id: u32,
        chat_id: u32,
-        visibility: JsonrpcChatVisibility,
+        visibility: JSONRPCChatVisibility,
    ) -> Result<()> {
        let ctx = self.get_context(account_id).await?;

@@ -1258,10 +1229,8 @@ impl CommandApi {
    }

    /// Returns all messages of a particular chat.
-    ///
-    /// * `add_daymarker` - If `true`, add day markers as `DC_MSG_ID_DAYMARKER` to the result,
-    ///   e.g. [1234, 1237, 9, 1239]. The day marker timestamp is the midnight one for the
-    ///   corresponding (following) day in the local timezone.
+    /// If `add_daymarker` is `true`, it will return them as
+    /// `DC_MSG_ID_DAYMARKER`, e.g. [1234, 1237, 9, 1239].
    async fn get_message_ids(
        &self,
        account_id: u32,
@@ -1296,7 +1265,7 @@ impl CommandApi {
        chat_id: u32,
        info_only: bool,
        add_daymarker: bool,
-    ) -> Result<Vec<JsonrpcMessageListItem>> {
+    ) -> Result<Vec<JSONRPCMessageListItem>> {
        let ctx = self.get_context(account_id).await?;
        let msg = get_chat_msgs_ex(
            &ctx,
@@ -1310,7 +1279,7 @@ impl CommandApi {
        Ok(msg
            .iter()
            .map(|chat_item| (*chat_item).into())
-            .collect::<Vec<JsonrpcMessageListItem>>())
+            .collect::<Vec<JSONRPCMessageListItem>>())
    }

    async fn get_message(&self, account_id: u32, msg_id: u32) -> Result<MessageObject> {
@@ -1504,14 +1473,7 @@ impl CommandApi {

    /// Add a single contact as a result of an explicit user action.
    ///
-    /// This will always create or look up an address-contact,
-    /// i.e. a contact identified by an email address,
-    /// with all messages sent to and from this contact being unencrypted.
-    /// If the user just clicked on an email address,
-    /// you should first check [`Self::lookup_contact_id_by_addr`]/`lookupContactIdByAddr.`,
-    /// and only if there is no contact yet, call this function here.
-    ///
-    /// Returns contact id of the created or existing contact.
+    /// Returns contact id of the created or existing contact
    async fn create_contact(
        &self,
        account_id: u32,
@@ -1661,19 +1623,9 @@ impl CommandApi {
        Contact::get_encrinfo(&ctx, ContactId::new(contact_id)).await
    }

-    /// Looks up a known and unblocked contact with a given e-mail address.
+    /// Check if an e-mail address belongs to a known and unblocked contact.
    /// To get a list of all known and unblocked contacts, use contacts_get_contacts().
    ///
-    /// **POTENTIAL SECURITY ISSUE**: If there are multiple contacts with this address
-    /// (e.g. an address-contact and a key-contact),
-    /// this looks up the most recently seen contact,
-    /// i.e. which contact is returned depends on which contact last sent a message.
-    /// If the user just clicked on a mailto: link, then this is the best thing you can do.
-    /// But **DO NOT** internally represent contacts by their email address
-    /// and do not use this function to look them up;
-    /// otherwise this function will sometimes look up the wrong contact.
-    /// Instead, you should internally represent contacts by their ids.
-    ///
    /// To validate an e-mail address independently of the contact database
    /// use check_email_validity().
    async fn lookup_contact_id_by_addr(
@@ -1829,13 +1781,13 @@ impl CommandApi {

    /// Offers a backup for remote devices to retrieve.
    ///
-    /// Can be canceled by stopping the ongoing process.  Success or failure can be tracked
+    /// Can be cancelled by stopping the ongoing process.  Success or failure can be tracked
    /// via the `ImexProgress` event which should either reach `1000` for success or `0` for
    /// failure.
    ///
    /// This **stops IO** while it is running.
    ///
-    /// Returns once a remote device has retrieved the backup, or is canceled.
+    /// Returns once a remote device has retrieved the backup, or is cancelled.
    async fn provide_backup(&self, account_id: u32) -> Result<()> {
        let ctx = self.get_context(account_id).await?;

@@ -1901,7 +1853,7 @@ impl CommandApi {
    /// This retrieves the backup from a remote device over the network and imports it into
    /// the current device.
    ///
-    /// Can be canceled by stopping the ongoing process.
+    /// Can be cancelled by stopping the ongoing process.
    ///
    /// Do not forget to call start_io on the account after a successful import,
    /// otherwise it will not connect to the email server.
@@ -1939,7 +1891,7 @@ impl CommandApi {
    /// If the connectivity changes, a #DC_EVENT_CONNECTIVITY_CHANGED will be emitted.
    async fn get_connectivity(&self, account_id: u32) -> Result<u32> {
        let ctx = self.get_context(account_id).await?;
-        Ok(ctx.get_connectivity() as u32)
+        Ok(ctx.get_connectivity().await as u32)
    }

    /// Get an overview of the current connectivity, and possibly more statistics.
@@ -2022,11 +1974,6 @@ impl CommandApi {
        Ok(())
    }

-    /// Leaves the gossip of the webxdc with the given message id.
-    ///
-    /// NB: When this is called before closing a webxdc app in UIs, it must be guaranteed that
-    /// `send_webxdc_realtime_*()` functions aren't called for the given `instance_message_id`
-    /// anymore until the app is open again.
    async fn leave_webxdc_realtime(&self, account_id: u32, instance_message_id: u32) -> Result<()> {
        let ctx = self.get_context(account_id).await?;
        leave_webxdc_realtime(&ctx, MsgId::new(instance_message_id)).await
@@ -2104,53 +2051,6 @@ impl CommandApi {
            .map(|msg_id| msg_id.to_u32()))
    }

-    /// Starts an outgoing call.
-    async fn place_outgoing_call(
-        &self,
-        account_id: u32,
-        chat_id: u32,
-        place_call_info: String,
-    ) -> Result<u32> {
-        let ctx = self.get_context(account_id).await?;
-        let msg_id = ctx
-            .place_outgoing_call(ChatId::new(chat_id), place_call_info)
-            .await?;
-        Ok(msg_id.to_u32())
-    }
-
-    /// Accepts an incoming call.
-    async fn accept_incoming_call(
-        &self,
-        account_id: u32,
-        msg_id: u32,
-        accept_call_info: String,
-    ) -> Result<()> {
-        let ctx = self.get_context(account_id).await?;
-        ctx.accept_incoming_call(MsgId::new(msg_id), accept_call_info)
-            .await?;
-        Ok(())
-    }
-
-    /// Ends incoming or outgoing call.
-    async fn end_call(&self, account_id: u32, msg_id: u32) -> Result<()> {
-        let ctx = self.get_context(account_id).await?;
-        ctx.end_call(MsgId::new(msg_id)).await?;
-        Ok(())
-    }
-
-    /// Returns information about the call.
-    async fn call_info(&self, account_id: u32, msg_id: u32) -> Result<JsonrpcCallInfo> {
-        let ctx = self.get_context(account_id).await?;
-        let call_info = JsonrpcCallInfo::from_msg_id(&ctx, MsgId::new(msg_id)).await?;
-        Ok(call_info)
-    }
-
-    /// Returns JSON with ICE servers, to be used for WebRTC video calls.
-    async fn ice_servers(&self, account_id: u32) -> Result<String> {
-        let ctx = self.get_context(account_id).await?;
-        ice_servers(&ctx).await
-    }
-
    /// Makes an HTTP GET request and returns a response.
    ///
    /// `url` is the HTTP or HTTPS URL.
@@ -2231,7 +2131,7 @@ impl CommandApi {
        &self,
        account_id: u32,
        message_id: u32,
-    ) -> Result<Option<JsonrpcReactions>> {
+    ) -> Result<Option<JSONRPCReactions>> {
        let ctx = self.get_context(account_id).await?;
        let reactions = get_msg_reactions(&ctx, MsgId::new(message_id)).await?;
        if reactions.is_empty() {
@@ -2302,6 +2202,13 @@ impl CommandApi {
        }
    }

+    async fn send_videochat_invitation(&self, account_id: u32, chat_id: u32) -> Result<u32> {
+        let ctx = self.get_context(account_id).await?;
+        chat::send_videochat_invitation(&ctx, ChatId::new(chat_id))
+            .await
+            .map(|msg_id| msg_id.to_u32())
+    }
+
    // ---------------------------------------------
    //           misc prototyping functions
    //       that might get removed later again
@@ -2332,7 +2239,8 @@ impl CommandApi {
        let message = Message::load_from_db(&ctx, MsgId::new(msg_id)).await?;
        ensure!(
            message.get_viewtype() == Viewtype::Sticker,
-            "message {msg_id} is not a sticker"
+            "message {} is not a sticker",
+            msg_id
        );
        let account_folder = ctx
            .get_dbfile()
@@ -2552,7 +2460,10 @@ impl CommandApi {
                .to_u32();
            Ok(msg_id)
        } else {
-            Err(anyhow!("chat with id {chat_id} doesn't have draft message"))
+            Err(anyhow!(
+                "chat with id {} doesn't have draft message",
+                chat_id
+            ))
        }
    }
 }
--- a/deltachat-jsonrpc/src/api/types/calls.rs
+++ b/deltachat-jsonrpc/src/api/types/calls.rs
@@ -1,97 +0,0 @@
-use anyhow::{Context as _, Result};
-
-use deltachat::calls::{call_state, sdp_has_video, CallState};
-use deltachat::context::Context;
-use deltachat::message::MsgId;
-use serde::Serialize;
-use typescript_type_def::TypeDef;
-
-#[derive(Serialize, TypeDef, schemars::JsonSchema)]
-#[serde(rename = "CallInfo", rename_all = "camelCase")]
-pub struct JsonrpcCallInfo {
-    /// SDP offer.
-    ///
-    /// Can be used to manually answer the call
-    /// even if incoming call event was missed.
-    pub sdp_offer: String,
-
-    /// True if SDP offer has a video.
-    pub has_video: bool,
-
-    /// Call state.
-    ///
-    /// For example, if the call is accepted, active, canceled, declined etc.
-    pub state: JsonrpcCallState,
-}
-
-impl JsonrpcCallInfo {
-    pub async fn from_msg_id(context: &Context, msg_id: MsgId) -> Result<JsonrpcCallInfo> {
-        let call_info = context.load_call_by_id(msg_id).await?.with_context(|| {
-            format!("Attempting to get call state of non-call message {msg_id}")
-        })?;
-        let sdp_offer = call_info.place_call_info.clone();
-        let has_video = sdp_has_video(&sdp_offer).unwrap_or_default();
-        let state = JsonrpcCallState::from_msg_id(context, msg_id).await?;
-
-        Ok(JsonrpcCallInfo {
-            sdp_offer,
-            has_video,
-            state,
-        })
-    }
-}
-
-#[derive(Serialize, TypeDef, schemars::JsonSchema)]
-#[serde(rename = "CallState", tag = "kind")]
-pub enum JsonrpcCallState {
-    /// Fresh incoming or outgoing call that is still ringing.
-    ///
-    /// There is no separate state for outgoing call
-    /// that has been dialled but not ringing on the other side yet
-    /// as we don't know whether the other side received our call.
-    Alerting,
-
-    /// Active call.
-    Active,
-
-    /// Completed call that was once active
-    /// and then was terminated for any reason.
-    Completed {
-        /// Call duration in seconds.
-        duration: i64,
-    },
-
-    /// Incoming call that was not picked up within a timeout
-    /// or was explicitly ended by the caller before we picked up.
-    Missed,
-
-    /// Incoming call that was explicitly ended on our side
-    /// before picking up or outgoing call
-    /// that was declined before the timeout.
-    Declined,
-
-    /// Outgoing call that has been canceled on our side
-    /// before receiving a response.
-    ///
-    /// Incoming calls cannot be canceled,
-    /// on the receiver side canceled calls
-    /// usually result in missed calls.
-    Canceled,
-}
-
-impl JsonrpcCallState {
-    pub async fn from_msg_id(context: &Context, msg_id: MsgId) -> Result<JsonrpcCallState> {
-        let call_state = call_state(context, msg_id).await?;
-
-        let jsonrpc_call_state = match call_state {
-            CallState::Alerting => JsonrpcCallState::Alerting,
-            CallState::Active => JsonrpcCallState::Active,
-            CallState::Completed { duration } => JsonrpcCallState::Completed { duration },
-            CallState::Missed => JsonrpcCallState::Missed,
-            CallState::Declined => JsonrpcCallState::Declined,
-            CallState::Canceled => JsonrpcCallState::Canceled,
-        };
-
-        Ok(jsonrpc_call_state)
-    }
-}
--- a/deltachat-jsonrpc/src/api/types/chat.rs
+++ b/deltachat-jsonrpc/src/api/types/chat.rs
@@ -19,6 +19,18 @@ pub struct FullChat {
    id: u32,
    name: String,

+    /// True if the chat is protected.
+    ///
+    /// Only verified contacts
+    /// as determined by [`ContactObject::is_verified`] / `Contact.isVerified`
+    /// can be added to protected chats.
+    ///
+    /// Protected chats are created using [`create_group_chat`] / `createGroupChat()`
+    /// by setting the 'protect' parameter to true.
+    ///
+    /// [`create_group_chat`]: crate::api::CommandApi::create_group_chat
+    is_protected: bool,
+
    /// True if the chat is encrypted.
    /// This means that all messages in the chat are encrypted,
    /// and all contacts in the chat are "key-contacts",
@@ -59,15 +71,8 @@ pub struct FullChat {
    fresh_message_counter: usize,
    // is_group - please check over chat.type in frontend instead
    is_contact_request: bool,
-
+    is_protection_broken: bool, // deprecated 2025-07
    is_device_chat: bool,
-    /// Note that this is different from
-    /// [`ChatListItem::is_self_in_group`](`crate::api::types::chat_list::ChatListItemFetchResult::ChatListItem::is_self_in_group`).
-    /// This property should only be accessed
-    /// when [`FullChat::chat_type`] is [`Chattype::Group`].
-    //
-    // We could utilize [`Chat::is_self_in_chat`],
-    // but that would be an extra DB query.
    self_in_group: bool,
    is_muted: bool,
    ephemeral_timer: u32, //TODO look if there are more important properties in newer core versions
@@ -126,6 +131,7 @@ impl FullChat {
        Ok(FullChat {
            id: chat_id,
            name: chat.name.clone(),
+            is_protected: chat.is_protected(),
            is_encrypted: chat.is_encrypted(context).await?,
            profile_image, //BLOBS ?
            archived: chat.get_visibility() == chat::ChatVisibility::Archived,
@@ -139,6 +145,7 @@ impl FullChat {
            color,
            fresh_message_counter,
            is_contact_request: chat.is_contact_request(),
+            is_protection_broken: chat.is_protection_broken(),
            is_device_chat: chat.is_device_talk(),
            self_in_group: contact_ids.contains(&ContactId::SELF),
            is_muted: chat.is_muted(),
@@ -166,6 +173,18 @@ pub struct BasicChat {
    id: u32,
    name: String,

+    /// True if the chat is protected.
+    ///
+    /// UI should display a green checkmark
+    /// in the chat title,
+    /// in the chat profile title and
+    /// in the chatlist item
+    /// if chat protection is enabled.
+    /// UI should also display a green checkmark
+    /// in the contact profile
+    /// if 1:1 chat with this contact exists and is protected.
+    is_protected: bool,
+
    /// True if the chat is encrypted.
    /// This means that all messages in the chat are encrypted,
    /// and all contacts in the chat are "key-contacts",
@@ -197,7 +216,7 @@ pub struct BasicChat {
    is_self_talk: bool,
    color: String,
    is_contact_request: bool,
-
+    is_protection_broken: bool,
    is_device_chat: bool,
    is_muted: bool,
 }
@@ -216,6 +235,7 @@ impl BasicChat {
        Ok(BasicChat {
            id: chat_id,
            name: chat.name.clone(),
+            is_protected: chat.is_protected(),
            is_encrypted: chat.is_encrypted(context).await?,
            profile_image, //BLOBS ?
            archived: chat.get_visibility() == chat::ChatVisibility::Archived,
@@ -225,6 +245,7 @@ impl BasicChat {
            is_self_talk: chat.is_self_talk(),
            color,
            is_contact_request: chat.is_contact_request(),
+            is_protection_broken: chat.is_protection_broken(),
            is_device_chat: chat.is_device_talk(),
            is_muted: chat.is_muted(),
        })
@@ -259,18 +280,18 @@ impl MuteDuration {

 #[derive(Clone, Serialize, Deserialize, TypeDef, schemars::JsonSchema)]
 #[serde(rename = "ChatVisibility")]
-pub enum JsonrpcChatVisibility {
+pub enum JSONRPCChatVisibility {
    Normal,
    Archived,
    Pinned,
 }

-impl JsonrpcChatVisibility {
+impl JSONRPCChatVisibility {
    pub fn into_core_type(self) -> ChatVisibility {
        match self {
-            JsonrpcChatVisibility::Normal => ChatVisibility::Normal,
-            JsonrpcChatVisibility::Archived => ChatVisibility::Archived,
-            JsonrpcChatVisibility::Pinned => ChatVisibility::Pinned,
+            JSONRPCChatVisibility::Normal => ChatVisibility::Normal,
+            JSONRPCChatVisibility::Archived => ChatVisibility::Archived,
+            JSONRPCChatVisibility::Pinned => ChatVisibility::Pinned,
        }
    }
 }
--- a/deltachat-jsonrpc/src/api/types/chat_list.rs
+++ b/deltachat-jsonrpc/src/api/types/chat_list.rs
@@ -2,7 +2,7 @@ use anyhow::{Context, Result};
 use deltachat::chat::{Chat, ChatId};
 use deltachat::chatlist::get_last_message_for_chat;
 use deltachat::constants::*;
-use deltachat::contact::Contact;
+use deltachat::contact::{Contact, ContactId};
 use deltachat::{
    chat::{get_chat_contacts, ChatVisibility},
    chatlist::Chatlist,
@@ -30,6 +30,7 @@ pub enum ChatListItemFetchResult {
        summary_status: u32,
        /// showing preview if last chat message is image
        summary_preview_image: Option<String>,
+        is_protected: bool,

        /// True if the chat is encrypted.
        /// This means that all messages in the chat are encrypted,
@@ -126,8 +127,11 @@ pub(crate) async fn get_chat_list_item_by_id(
        None => (None, None),
    };

+    let chat_contacts = get_chat_contacts(ctx, chat_id).await?;
+
+    let self_in_group = chat_contacts.contains(&ContactId::SELF);
+
    let (dm_chat_contact, was_seen_recently) = if chat.get_type() == Chattype::Single {
-        let chat_contacts = get_chat_contacts(ctx, chat_id).await?;
        let contact = chat_contacts.first();
        let was_seen_recently = match contact {
            Some(contact) => Contact::get_by_id(ctx, *contact)
@@ -157,12 +161,13 @@ pub(crate) async fn get_chat_list_item_by_id(
        summary_text2,
        summary_status: summary.state.to_u32().expect("impossible"), // idea and a function to transform the constant to strings? or return string enum
        summary_preview_image,
+        is_protected: chat.is_protected(),
        is_encrypted: chat.is_encrypted(ctx).await?,
        is_group: chat.get_type() == Chattype::Group,
        fresh_message_counter,
        is_self_talk: chat.is_self_talk(),
        is_device_talk: chat.is_device_talk(),
-        is_self_in_group: chat.is_self_in_chat(ctx).await?,
+        is_self_in_group: self_in_group,
        is_sending_location: chat.is_sending_locations(),
        is_archived: visibility == ChatVisibility::Archived,
        is_pinned: visibility == ChatVisibility::Pinned,
--- a/deltachat-jsonrpc/src/api/types/contact.rs
+++ b/deltachat-jsonrpc/src/api/types/contact.rs
@@ -1,6 +1,6 @@
 use anyhow::Result;
+use deltachat::color;
 use deltachat::context::Context;
-use deltachat::key::{DcKey, SignedPublicKey};
 use serde::Serialize;
 use typescript_type_def::TypeDef;

@@ -38,6 +38,12 @@ pub struct ContactObject {
    /// See [`Self::verifier_id`]/`Contact.verifierId` for a guidance how to display these information.
    is_verified: bool,

+    /// True if the contact profile title should have a green checkmark.
+    ///
+    /// This indicates whether 1:1 chat has a green checkmark
+    /// or will have a green checkmark if created.
+    is_profile_verified: bool,
+
    /// The contact ID that verified a contact.
    ///
    /// As verifier may be unknown,
@@ -81,6 +87,7 @@ impl ContactObject {
            None => None,
        };
        let is_verified = contact.is_verified(context).await?;
+        let is_profile_verified = contact.is_profile_verified(context).await?;

        let verifier_id = contact
            .get_verifier_id(context)
@@ -102,6 +109,7 @@ impl ContactObject {
            is_key_contact: contact.is_key_contact(),
            e2ee_avail: contact.e2ee_avail(context).await?,
            is_verified,
+            is_profile_verified,
            verifier_id,
            last_seen: contact.last_seen(),
            was_seen_recently: contact.was_seen_recently(),
@@ -130,13 +138,7 @@ pub struct VcardContact {
 impl From<deltachat_contact_tools::VcardContact> for VcardContact {
    fn from(vc: deltachat_contact_tools::VcardContact) -> Self {
        let display_name = vc.display_name().to_string();
-        let is_self = false;
-        let fpr = vc.key.as_deref().and_then(|k| {
-            SignedPublicKey::from_base64(k)
-                .ok()
-                .map(|k| k.dc_fingerprint())
-        });
-        let color = deltachat::contact::get_color(is_self, &vc.addr, &fpr);
+        let color = color::str_to_color(&vc.addr.to_lowercase());
        Self {
            addr: vc.addr,
            display_name,
--- a/deltachat-jsonrpc/src/api/types/events.rs
+++ b/deltachat-jsonrpc/src/api/types/events.rs
@@ -1,5 +1,4 @@
 use deltachat::{Event as CoreEvent, EventType as CoreEventType};
-use num_traits::ToPrimitive;
 use serde::Serialize;
 use typescript_type_def::TypeDef;

@@ -294,8 +293,8 @@ pub enum EventType {
    #[serde(rename_all = "camelCase")]
    ImexFileWritten { path: String },

-    /// Progress event sent when SecureJoin protocol has finished
-    /// from the view of the inviter (Alice, the person who shows the QR code).
+    /// Progress information of a secure-join handshake from the view of the inviter
+    /// (Alice, the person who shows the QR code).
    ///
    /// These events are typically sent after a joiner has scanned the QR code
    /// generated by getChatSecurejoinQrCodeSvg().
@@ -304,14 +303,11 @@ pub enum EventType {
        /// ID of the contact that wants to join.
        contact_id: u32,

-        /// The type of the joined chat.
-        /// This can take the same values
-        /// as `BasicChat.chatType` ([`crate::api::types::chat::BasicChat::chat_type`]).
-        chat_type: u32,
-        /// ID of the chat in case of success.
-        chat_id: u32,
-
-        /// Progress, always 1000.
+        /// Progress as:
+        /// 300=vg-/vc-request received, typically shown as "bob@addr joins".
+        /// 600=vg-/vc-request-with-auth received, vg-member-added/vc-contact-confirm sent, typically shown as "bob@addr verified".
+        /// 800=contact added to chat, shown as "bob@addr securely joined GROUP". Only for the verified-group-protocol.
+        /// 1000=Protocol finished for this contact.
        progress: usize,
    },

@@ -420,45 +416,6 @@ pub enum EventType {
        /// Number of events skipped.
        n: u64,
    },
-
-    /// Incoming call.
-    IncomingCall {
-        /// ID of the info message referring to the call.
-        msg_id: u32,
-        /// ID of the chat which the message belongs to.
-        chat_id: u32,
-        /// User-defined info as passed to place_outgoing_call()
-        place_call_info: String,
-        /// True if incoming call is a video call.
-        has_video: bool,
-    },
-
-    /// Incoming call accepted.
-    /// This is esp. interesting to stop ringing on other devices.
-    IncomingCallAccepted {
-        /// ID of the info message referring to the call.
-        msg_id: u32,
-        /// ID of the chat which the message belongs to.
-        chat_id: u32,
-    },
-
-    /// Outgoing call accepted.
-    OutgoingCallAccepted {
-        /// ID of the info message referring to the call.
-        msg_id: u32,
-        /// ID of the chat which the message belongs to.
-        chat_id: u32,
-        /// User-defined info passed to dc_accept_incoming_call(
-        accept_call_info: String,
-    },
-
-    /// Call ended.
-    CallEnded {
-        /// ID of the info message referring to the call.
-        msg_id: u32,
-        /// ID of the chat which the message belongs to.
-        chat_id: u32,
-    },
 }

 impl From<CoreEventType> for EventType {
@@ -565,13 +522,9 @@ impl From<CoreEventType> for EventType {
            },
            CoreEventType::SecurejoinInviterProgress {
                contact_id,
-                chat_type,
-                chat_id,
                progress,
            } => SecurejoinInviterProgress {
                contact_id: contact_id.to_u32(),
-                chat_type: chat_type.to_u32().unwrap_or(0),
-                chat_id: chat_id.to_u32(),
                progress,
            },
            CoreEventType::SecurejoinJoinerProgress {
@@ -613,34 +566,6 @@ impl From<CoreEventType> for EventType {
            CoreEventType::EventChannelOverflow { n } => EventChannelOverflow { n },
            CoreEventType::AccountsChanged => AccountsChanged,
            CoreEventType::AccountsItemChanged => AccountsItemChanged,
-            CoreEventType::IncomingCall {
-                msg_id,
-                chat_id,
-                place_call_info,
-                has_video,
-            } => IncomingCall {
-                msg_id: msg_id.to_u32(),
-                chat_id: chat_id.to_u32(),
-                place_call_info,
-                has_video,
-            },
-            CoreEventType::IncomingCallAccepted { msg_id, chat_id } => IncomingCallAccepted {
-                msg_id: msg_id.to_u32(),
-                chat_id: chat_id.to_u32(),
-            },
-            CoreEventType::OutgoingCallAccepted {
-                msg_id,
-                chat_id,
-                accept_call_info,
-            } => OutgoingCallAccepted {
-                msg_id: msg_id.to_u32(),
-                chat_id: chat_id.to_u32(),
-                accept_call_info,
-            },
-            CoreEventType::CallEnded { msg_id, chat_id } => CallEnded {
-                msg_id: msg_id.to_u32(),
-                chat_id: chat_id.to_u32(),
-            },
            #[allow(unreachable_patterns)]
            #[cfg(test)]
            _ => unreachable!("This is just to silence a rust_analyzer false-positive"),
--- a/deltachat-jsonrpc/src/api/types/message.rs
+++ b/deltachat-jsonrpc/src/api/types/message.rs
@@ -18,7 +18,7 @@ use typescript_type_def::TypeDef;

 use super::color_int_to_hex_string;
 use super::contact::ContactObject;
-use super::reactions::JsonrpcReactions;
+use super::reactions::JSONRPCReactions;

 #[derive(Serialize, TypeDef, schemars::JsonSchema)]
 #[serde(rename_all = "camelCase", tag = "kind")]
@@ -84,6 +84,9 @@ pub struct MessageObject {
    dimensions_height: i32,
    dimensions_width: i32,

+    videochat_type: Option<u32>,
+    videochat_url: Option<String>,
+
    override_sender_name: Option<String>,
    sender: ContactObject,

@@ -102,7 +105,7 @@ pub struct MessageObject {

    saved_message_id: Option<u32>,

-    reactions: Option<JsonrpcReactions>,
+    reactions: Option<JSONRPCReactions>,

    vcard_contact: Option<VcardContact>,
 }
@@ -236,6 +239,15 @@ impl MessageObject {
            dimensions_height: message.get_height(),
            dimensions_width: message.get_width(),

+            videochat_type: match message.get_videochat_type() {
+                Some(vct) => Some(
+                    vct.to_u32()
+                        .context("videochat type conversion to number failed")?,
+                ),
+                None => None,
+            },
+            videochat_url: message.get_videochat_url(),
+
            override_sender_name,
            sender,

@@ -309,8 +321,8 @@ pub enum MessageViewtype {
    /// Message containing any file, eg. a PDF.
    File,

-    /// Message is a call.
-    Call,
+    /// Message is an invitation to a videochat.
+    VideochatInvitation,

    /// Message is an webxdc instance.
    Webxdc,
@@ -333,7 +345,7 @@ impl From<Viewtype> for MessageViewtype {
            Viewtype::Voice => MessageViewtype::Voice,
            Viewtype::Video => MessageViewtype::Video,
            Viewtype::File => MessageViewtype::File,
-            Viewtype::Call => MessageViewtype::Call,
+            Viewtype::VideochatInvitation => MessageViewtype::VideochatInvitation,
            Viewtype::Webxdc => MessageViewtype::Webxdc,
            Viewtype::Vcard => MessageViewtype::Vcard,
        }
@@ -352,7 +364,7 @@ impl From<MessageViewtype> for Viewtype {
            MessageViewtype::Voice => Viewtype::Voice,
            MessageViewtype::Video => Viewtype::Video,
            MessageViewtype::File => Viewtype::File,
-            MessageViewtype::Call => Viewtype::Call,
+            MessageViewtype::VideochatInvitation => Viewtype::VideochatInvitation,
            MessageViewtype::Webxdc => Viewtype::Webxdc,
            MessageViewtype::Vcard => Viewtype::Vcard,
        }
@@ -425,9 +437,6 @@ pub enum SystemMessageType {

    /// This message contains a users iroh node address.
    IrohNodeAddr,
-
-    CallAccepted,
-    CallEnded,
 }

 impl From<deltachat::mimeparser::SystemMessage> for SystemMessageType {
@@ -454,8 +463,6 @@ impl From<deltachat::mimeparser::SystemMessage> for SystemMessageType {
            SystemMessage::IrohNodeAddr => SystemMessageType::IrohNodeAddr,
            SystemMessage::SecurejoinWait => SystemMessageType::SecurejoinWait,
            SystemMessage::SecurejoinWaitTimeout => SystemMessageType::SecurejoinWaitTimeout,
-            SystemMessage::CallAccepted => SystemMessageType::CallAccepted,
-            SystemMessage::CallEnded => SystemMessageType::CallEnded,
        }
    }
 }
@@ -532,6 +539,7 @@ pub struct MessageSearchResult {
    chat_color: String,
    chat_name: String,
    chat_type: u32,
+    is_chat_protected: bool,
    is_chat_contact_request: bool,
    is_chat_archived: bool,
    message: String,
@@ -571,6 +579,7 @@ impl MessageSearchResult {
            chat_color,
            chat_type: chat.get_type().to_u32().context("unknown chat type id")?,
            chat_profile_image,
+            is_chat_protected: chat.is_protected(),
            is_chat_contact_request: chat.is_contact_request(),
            is_chat_archived: chat.get_visibility() == ChatVisibility::Archived,
            message: message.get_text(),
@@ -581,7 +590,7 @@ impl MessageSearchResult {

 #[derive(Serialize, TypeDef, schemars::JsonSchema)]
 #[serde(rename_all = "camelCase", rename = "MessageListItem", tag = "kind")]
-pub enum JsonrpcMessageListItem {
+pub enum JSONRPCMessageListItem {
    Message {
        msg_id: u32,
    },
@@ -594,13 +603,13 @@ pub enum JsonrpcMessageListItem {
    },
 }

-impl From<ChatItem> for JsonrpcMessageListItem {
+impl From<ChatItem> for JSONRPCMessageListItem {
    fn from(item: ChatItem) -> Self {
        match item {
-            ChatItem::Message { msg_id } => JsonrpcMessageListItem::Message {
+            ChatItem::Message { msg_id } => JSONRPCMessageListItem::Message {
                msg_id: msg_id.to_u32(),
            },
-            ChatItem::DayMarker { timestamp } => JsonrpcMessageListItem::DayMarker { timestamp },
+            ChatItem::DayMarker { timestamp } => JSONRPCMessageListItem::DayMarker { timestamp },
        }
    }
 }
--- a/deltachat-jsonrpc/src/api/types/mod.rs
+++ b/deltachat-jsonrpc/src/api/types/mod.rs
@@ -1,5 +1,4 @@
 pub mod account;
-pub mod calls;
 pub mod chat;
 pub mod chat_list;
 pub mod contact;
@@ -8,7 +7,6 @@ pub mod http;
 pub mod location;
 pub mod login_param;
 pub mod message;
-pub mod notify_state;
 pub mod provider_info;
 pub mod qr;
 pub mod reactions;
--- a/deltachat-jsonrpc/src/api/types/notify_state.rs
+++ b/deltachat-jsonrpc/src/api/types/notify_state.rs
@@ -1,26 +0,0 @@
-use deltachat::push::NotifyState;
-use serde::Serialize;
-use typescript_type_def::TypeDef;
-
-#[derive(Serialize, TypeDef, schemars::JsonSchema)]
-#[serde(rename = "NotifyState")]
-pub enum JsonrpcNotifyState {
-    /// Not subscribed to push notifications.
-    NotConnected,
-
-    /// Subscribed to heartbeat push notifications.
-    Heartbeat,
-
-    /// Subscribed to push notifications for new messages.
-    Connected,
-}
-
-impl From<NotifyState> for JsonrpcNotifyState {
-    fn from(state: NotifyState) -> Self {
-        match state {
-            NotifyState::NotConnected => Self::NotConnected,
-            NotifyState::Heartbeat => Self::Heartbeat,
-            NotifyState::Connected => Self::Connected,
-        }
-    }
-}
--- a/deltachat-jsonrpc/src/api/types/qr.rs
+++ b/deltachat-jsonrpc/src/api/types/qr.rs
@@ -1,5 +1,4 @@
 use deltachat::qr::Qr;
-use serde::Deserialize;
 use serde::Serialize;
 use typescript_type_def::TypeDef;

@@ -35,26 +34,6 @@ pub enum QrObject {
        /// Authentication code.
        authcode: String,
    },
-    /// Ask the user whether to join the broadcast channel.
-    AskJoinBroadcast {
-        /// The user-visible name of this broadcast channel
-        name: String,
-        /// A string of random characters,
-        /// uniquely identifying this broadcast channel across all databases/clients.
-        /// Called `grpid` for historic reasons:
-        /// The id of multi-user chats is always called `grpid` in the database
-        /// because groups were once the only multi-user chats.
-        grpid: String,
-        /// ID of the contact who owns the broadcast channel and created the QR code.
-        contact_id: u32,
-        /// Fingerprint of the broadcast channel owner's key as scanned from the QR code.
-        fingerprint: String,
-
-        /// Invite number.
-        invitenumber: String,
-        /// Authentication code.
-        authcode: String,
-    },
    /// Contact fingerprint is verified.
    ///
    /// Ask the user if they want to start chatting.
@@ -228,25 +207,6 @@ impl From<Qr> for QrObject {
                    authcode,
                }
            }
-            Qr::AskJoinBroadcast {
-                name,
-                grpid,
-                contact_id,
-                fingerprint,
-                authcode,
-                invitenumber,
-            } => {
-                let contact_id = contact_id.to_u32();
-                let fingerprint = fingerprint.to_string();
-                QrObject::AskJoinBroadcast {
-                    name,
-                    grpid,
-                    contact_id,
-                    fingerprint,
-                    authcode,
-                    invitenumber,
-                }
-            }
            Qr::FprOk { contact_id } => {
                let contact_id = contact_id.to_u32();
                QrObject::FprOk { contact_id }
@@ -265,6 +225,13 @@ impl From<Qr> for QrObject {
                auth_token,
            },
            Qr::BackupTooNew {} => QrObject::BackupTooNew {},
+            Qr::WebrtcInstance {
+                domain,
+                instance_pattern,
+            } => QrObject::WebrtcInstance {
+                domain,
+                instance_pattern,
+            },
            Qr::Proxy { url, host, port } => QrObject::Proxy { url, host, port },
            Qr::Addr { contact_id, draft } => {
                let contact_id = contact_id.to_u32();
@@ -344,53 +311,3 @@ impl From<Qr> for QrObject {
        }
    }
 }
-
-#[derive(Deserialize, TypeDef, schemars::JsonSchema)]
-pub enum SecurejoinSource {
-    /// Because of some problem, it is unknown where the QR code came from.
-    Unknown,
-    /// The user opened a link somewhere outside Delta Chat
-    ExternalLink,
-    /// The user clicked on a link in a message inside Delta Chat
-    InternalLink,
-    /// The user clicked "Paste from Clipboard" in the QR scan activity
-    Clipboard,
-    /// The user clicked "Load QR code as image" in the QR scan activity
-    ImageLoaded,
-    /// The user scanned a QR code
-    Scan,
-}
-
-#[derive(Deserialize, TypeDef, schemars::JsonSchema)]
-pub enum SecurejoinUiPath {
-    /// The UI path is unknown, or the user didn't open the QR code screen at all.
-    Unknown,
-    /// The user directly clicked on the QR icon in the main screen
-    QrIcon,
-    /// The user first clicked on the `+` button in the main screen,
-    /// and then on "New Contact"
-    NewContact,
-}
-
-impl From<SecurejoinSource> for deltachat::SecurejoinSource {
-    fn from(value: SecurejoinSource) -> Self {
-        match value {
-            SecurejoinSource::Unknown => deltachat::SecurejoinSource::Unknown,
-            SecurejoinSource::ExternalLink => deltachat::SecurejoinSource::ExternalLink,
-            SecurejoinSource::InternalLink => deltachat::SecurejoinSource::InternalLink,
-            SecurejoinSource::Clipboard => deltachat::SecurejoinSource::Clipboard,
-            SecurejoinSource::ImageLoaded => deltachat::SecurejoinSource::ImageLoaded,
-            SecurejoinSource::Scan => deltachat::SecurejoinSource::Scan,
-        }
-    }
-}
-
-impl From<SecurejoinUiPath> for deltachat::SecurejoinUiPath {
-    fn from(value: SecurejoinUiPath) -> Self {
-        match value {
-            SecurejoinUiPath::Unknown => deltachat::SecurejoinUiPath::Unknown,
-            SecurejoinUiPath::QrIcon => deltachat::SecurejoinUiPath::QrIcon,
-            SecurejoinUiPath::NewContact => deltachat::SecurejoinUiPath::NewContact,
-        }
-    }
-}
--- a/deltachat-jsonrpc/src/api/types/reactions.rs
+++ b/deltachat-jsonrpc/src/api/types/reactions.rs
@@ -8,7 +8,7 @@ use typescript_type_def::TypeDef;
 /// A single reaction emoji.
 #[derive(Serialize, TypeDef, schemars::JsonSchema)]
 #[serde(rename = "Reaction", rename_all = "camelCase")]
-pub struct JsonrpcReaction {
+pub struct JSONRPCReaction {
    /// Emoji.
    emoji: String,

@@ -22,14 +22,14 @@ pub struct JsonrpcReaction {
 /// Structure representing all reactions to a particular message.
 #[derive(Serialize, TypeDef, schemars::JsonSchema)]
 #[serde(rename = "Reactions", rename_all = "camelCase")]
-pub struct JsonrpcReactions {
+pub struct JSONRPCReactions {
    /// Map from a contact to it's reaction to message.
    reactions_by_contact: BTreeMap<u32, Vec<String>>,
    /// Unique reactions and their count, sorted in descending order.
-    reactions: Vec<JsonrpcReaction>,
+    reactions: Vec<JSONRPCReaction>,
 }

-impl From<Reactions> for JsonrpcReactions {
+impl From<Reactions> for JSONRPCReactions {
    fn from(reactions: Reactions) -> Self {
        let mut reactions_by_contact: BTreeMap<u32, Vec<String>> = BTreeMap::new();

@@ -56,7 +56,7 @@ impl From<Reactions> for JsonrpcReactions {
                false
            };

-            let reaction = JsonrpcReaction {
+            let reaction = JSONRPCReaction {
                emoji,
                count,
                is_from_self,
@@ -64,7 +64,7 @@ impl From<Reactions> for JsonrpcReactions {
            reactions_v.push(reaction)
        }

-        JsonrpcReactions {
+        JSONRPCReactions {
            reactions_by_contact,
            reactions: reactions_v,
        }
--- a/deltachat-jsonrpc/typescript/package.json
+++ b/deltachat-jsonrpc/typescript/package.json
@@ -54,5 +54,5 @@
  },
  "type": "module",
  "types": "dist/deltachat.d.ts",
-  "version": "2.24.0"
+  "version": "2.6.0"
 }
--- a/deltachat-jsonrpc/typescript/scripts/generate-constants.js
+++ b/deltachat-jsonrpc/typescript/scripts/generate-constants.js
@@ -40,12 +40,7 @@ const constants = data
      key.startsWith("DC_DOWNLOAD") ||
      key.startsWith("DC_INFO_") ||
      (key.startsWith("DC_MSG") && !key.startsWith("DC_MSG_ID")) ||
-      key.startsWith("DC_QR_") ||
-      key.startsWith("DC_CERTCK_") ||
-      key.startsWith("DC_SOCKET_") ||
-      key.startsWith("DC_LP_AUTH_") ||
-      key.startsWith("DC_PUSH_") ||
-      key.startsWith("DC_TEXT1_")
+      key.startsWith("DC_QR_")
    );
  })
  .map((row) => {
--- a/deltachat-jsonrpc/typescript/src/client.ts
+++ b/deltachat-jsonrpc/typescript/src/client.ts
@@ -28,6 +28,7 @@ export class BaseDeltaChat<
  Transport extends BaseTransport<any>,
 > extends TinyEmitter<Events> {
  rpc: RawClient;
+  account?: T.Account;
  private contextEmitters: { [key: number]: TinyEmitter<ContextEvents> } = {};

  //@ts-ignore
@@ -35,10 +36,6 @@ export class BaseDeltaChat<

  constructor(
    public transport: Transport,
-    /**
-     * Whether to start calling {@linkcode RawClient.getNextEvent}
-     * and emitting the respective events on this class.
-     */
    startEventLoop: boolean,
  ) {
    super();
@@ -48,9 +45,6 @@ export class BaseDeltaChat<
    }
  }

-  /**
-   * @see the constructor's `startEventLoop`
-   */
  async eventLoop(): Promise<void> {
    while (true) {
      const event = await this.rpc.getNextEvent();
@@ -69,17 +63,10 @@ export class BaseDeltaChat<
    }
  }

-  /**
-   * @deprecated use {@linkcode BaseDeltaChat.rpc.getAllAccounts} instead.
-   */
  async listAccounts(): Promise<T.Account[]> {
    return await this.rpc.getAllAccounts();
  }

-  /**
-   * A convenience function to listen on events binned by `account_id`
-   * (see {@linkcode RawClient.getAllAccounts}).
-   */
  getContextEvents(account_id: number) {
    if (this.contextEmitters[account_id]) {
      return this.contextEmitters[account_id];
--- a/deltachat-repl/Cargo.toml
+++ b/deltachat-repl/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat-repl"
-version = "2.24.0"
+version = "2.6.0"
 license = "MPL-2.0"
 edition = "2021"
 repository = "https://github.com/chatmail/core"
--- a/deltachat-repl/src/cmdline.rs
+++ b/deltachat-repl/src/cmdline.rs
@@ -6,7 +6,9 @@ use std::str::FromStr;
 use std::time::Duration;

 use anyhow::{bail, ensure, Result};
-use deltachat::chat::{self, Chat, ChatId, ChatItem, ChatVisibility, MuteDuration};
+use deltachat::chat::{
+    self, Chat, ChatId, ChatItem, ChatVisibility, MuteDuration, ProtectionStatus,
+};
 use deltachat::chatlist::*;
 use deltachat::constants::*;
 use deltachat::contact::*;
@@ -70,6 +72,11 @@ async fn reset_tables(context: &Context, bits: i32) {
            .await
            .unwrap();
        context.sql().config_cache().write().await.clear();
+        context
+            .sql()
+            .execute("DELETE FROM leftgrps;", ())
+            .await
+            .unwrap();
        println!("(8) Rest but server config reset.");
    }

@@ -203,7 +210,13 @@ async fn log_msg(context: &Context, prefix: impl AsRef<str>, msg: &Message) {
        } else {
            ""
        },
-        if msg.get_viewtype() == Viewtype::Webxdc {
+        if msg.get_viewtype() == Viewtype::VideochatInvitation {
+            format!(
+                "[VIDEOCHAT-INVITATION: {}, type={}]",
+                msg.get_videochat_url().unwrap_or_default(),
+                msg.get_videochat_type().unwrap_or_default()
+            )
+        } else if msg.get_viewtype() == Viewtype::Webxdc {
            match msg.get_webxdc_info(context).await {
                Ok(info) => format!(
                    "[WEBXDC: {}, icon={}, document={}, summary={}, source_code_url={}]",
@@ -340,6 +353,7 @@ pub async fn cmdline(context: Context, line: &str, chat_id: &mut ChatId) -> Resu
                 createchat <contact-id>\n\
                 creategroup <name>\n\
                 createbroadcast <name>\n\
+                 createprotected <name>\n\
                 addmember <contact-id>\n\
                 removemember <contact-id>\n\
                 groupname <name>\n\
@@ -350,7 +364,6 @@ pub async fn cmdline(context: Context, line: &str, chat_id: &mut ChatId) -> Resu
                 dellocations\n\
                 getlocations [<contact-id>]\n\
                 send <text>\n\
-                 send-sync <text>\n\
                 sendempty\n\
                 sendimage <file> [<text>]\n\
                 sendsticker <file> [<text>]\n\
@@ -358,6 +371,7 @@ pub async fn cmdline(context: Context, line: &str, chat_id: &mut ChatId) -> Resu
                 sendhtml <file for html-part> [<text for plain-part>]\n\
                 sendsyncmsg\n\
                 sendupdate <msg-id> <json status update>\n\
+                 videochat\n\
                 draft [<text>]\n\
                 devicemsg <text>\n\
                 listmedia\n\
@@ -389,8 +403,6 @@ pub async fn cmdline(context: Context, line: &str, chat_id: &mut ChatId) -> Resu
                 block <contact-id>\n\
                 unblock <contact-id>\n\
                 listblocked\n\
-                 import-vcard <file>\n\
-                 make-vcard <file> <contact-id> [contact-id ...]\n\
                 ======================================Misc.==\n\
                 getqr [<chat-id>]\n\
                 getqrsvg [<chat-id>]\n\
@@ -411,7 +423,7 @@ pub async fn cmdline(context: Context, line: &str, chat_id: &mut ChatId) -> Resu
            Ok(setup_code) => {
                println!("Setup code for the transferred setup message: {setup_code}",)
            }
-            Err(err) => bail!("Failed to generate setup code: {err}"),
+            Err(err) => bail!("Failed to generate setup code: {}", err),
        },
        "get-setupcodebegin" => {
            ensure!(!arg1.is_empty(), "Argument <msg-id> missing.");
@@ -425,7 +437,7 @@ pub async fn cmdline(context: Context, line: &str, chat_id: &mut ChatId) -> Resu
                    setupcodebegin.unwrap_or_default(),
                );
            } else {
-                bail!("{msg_id} is no setup message.",);
+                bail!("{} is no setup message.", msg_id,);
            }
        }
        "continue-key-transfer" => {
@@ -520,7 +532,7 @@ pub async fn cmdline(context: Context, line: &str, chat_id: &mut ChatId) -> Resu
                    println!("Report written to: {file:#?}");
                }
                Err(err) => {
-                    bail!("Failed to get connectivity html: {err}");
+                    bail!("Failed to get connectivity html: {}", err);
                }
            }
        }
@@ -555,7 +567,7 @@ pub async fn cmdline(context: Context, line: &str, chat_id: &mut ChatId) -> Resu
                for i in (0..cnt).rev() {
                    let chat = Chat::load_from_db(&context, chatlist.get_chat_id(i)?).await?;
                    println!(
-                        "{}#{}: {} [{} fresh] {}{}{}",
+                        "{}#{}: {} [{} fresh] {}{}{}{}",
                        chat_prefix(&chat),
                        chat.get_id(),
                        chat.get_name(),
@@ -566,6 +578,7 @@ pub async fn cmdline(context: Context, line: &str, chat_id: &mut ChatId) -> Resu
                            ChatVisibility::Archived => "📦",
                            ChatVisibility::Pinned => "📌",
                        },
+                        if chat.is_protected() { "🛡️" } else { "" },
                        if chat.is_contact_request() {
                            "🆕"
                        } else {
@@ -680,7 +693,7 @@ pub async fn cmdline(context: Context, line: &str, chat_id: &mut ChatId) -> Resu
                format!("{} member(s)", members.len())
            };
            println!(
-                "{}#{}: {} [{}]{}{}{}",
+                "{}#{}: {} [{}]{}{}{} {}",
                chat_prefix(sel_chat),
                sel_chat.get_id(),
                sel_chat.get_name(),
@@ -698,6 +711,11 @@ pub async fn cmdline(context: Context, line: &str, chat_id: &mut ChatId) -> Resu
                    },
                    _ => "".to_string(),
                },
+                if sel_chat.is_protected() {
+                    "🛡️"
+                } else {
+                    ""
+                },
            );
            log_msglist(&context, &msglist).await?;
            if let Some(draft) = sel_chat.get_id().get_draft(&context).await? {
@@ -726,7 +744,8 @@ pub async fn cmdline(context: Context, line: &str, chat_id: &mut ChatId) -> Resu
        }
        "creategroup" => {
            ensure!(!arg1.is_empty(), "Argument <name> missing.");
-            let chat_id = chat::create_group(&context, arg1).await?;
+            let chat_id =
+                chat::create_group_chat(&context, ProtectionStatus::Unprotected, arg1).await?;

            println!("Group#{chat_id} created successfully.");
        }
@@ -736,6 +755,13 @@ pub async fn cmdline(context: Context, line: &str, chat_id: &mut ChatId) -> Resu

            println!("Broadcast#{chat_id} created successfully.");
        }
+        "createprotected" => {
+            ensure!(!arg1.is_empty(), "Argument <name> missing.");
+            let chat_id =
+                chat::create_group_chat(&context, ProtectionStatus::Protected, arg1).await?;
+
+            println!("Group#{chat_id} created and protected successfully.");
+        }
        "addmember" => {
            ensure!(sel_chat.is_some(), "No chat selected");
            ensure!(!arg1.is_empty(), "Argument <contact-id> missing.");
@@ -887,23 +913,6 @@ pub async fn cmdline(context: Context, line: &str, chat_id: &mut ChatId) -> Resu

            chat::send_text_msg(&context, sel_chat.as_ref().unwrap().get_id(), msg).await?;
        }
-        "send-sync" => {
-            ensure!(sel_chat.is_some(), "No chat selected.");
-            ensure!(!arg1.is_empty(), "No message text given.");
-
-            // Send message over a dedicated SMTP connection
-            // and measure time.
-            //
-            // This can be used to benchmark SMTP connection establishment.
-            let time_start = std::time::Instant::now();
-
-            let msg = format!("{arg1} {arg2}");
-            let mut msg = Message::new_text(msg);
-            chat::send_msg_sync(&context, sel_chat.as_ref().unwrap().get_id(), &mut msg).await?;
-
-            let time_needed = time_start.elapsed();
-            println!("Sent message in {time_needed:?}.");
-        }
        "sendempty" => {
            ensure!(sel_chat.is_some(), "No chat selected.");
            chat::send_text_msg(&context, sel_chat.as_ref().unwrap().get_id(), "".into()).await?;
@@ -951,6 +960,10 @@ pub async fn cmdline(context: Context, line: &str, chat_id: &mut ChatId) -> Resu
            let msg_id = MsgId::new(arg1.parse()?);
            context.send_webxdc_status_update(msg_id, arg2).await?;
        }
+        "videochat" => {
+            ensure!(sel_chat.is_some(), "No chat selected.");
+            chat::send_videochat_invitation(&context, sel_chat.as_ref().unwrap().get_id()).await?;
+        }
        "listmsgs" => {
            ensure!(!arg1.is_empty(), "Argument <query> missing.");

@@ -1205,24 +1218,6 @@ pub async fn cmdline(context: Context, line: &str, chat_id: &mut ChatId) -> Resu
            log_contactlist(&context, &contacts).await?;
            println!("{} blocked contacts.", contacts.len());
        }
-        "import-vcard" => {
-            ensure!(!arg1.is_empty(), "Argument <file> missing.");
-            let vcard_content = fs::read_to_string(&arg1.to_string()).await?;
-            let contacts = import_vcard(&context, &vcard_content).await?;
-            println!("vCard contacts imported:");
-            log_contactlist(&context, &contacts).await?;
-        }
-        "make-vcard" => {
-            ensure!(!arg1.is_empty(), "Argument <file> missing.");
-            ensure!(!arg2.is_empty(), "Argument <contact-id> missing.");
-            let mut contact_ids = vec![];
-            for x in arg2.split_whitespace() {
-                contact_ids.push(ContactId::new(x.parse()?))
-            }
-            let vcard_content = make_vcard(&context, &contact_ids).await?;
-            fs::write(&arg1.to_string(), vcard_content).await?;
-            println!("vCard written to: {arg1}");
-        }
        "checkqr" => {
            ensure!(!arg1.is_empty(), "Argument <qr-content> missing.");
            let qr = check_qr(&context, arg1).await?;
@@ -1244,7 +1239,10 @@ pub async fn cmdline(context: Context, line: &str, chat_id: &mut ChatId) -> Resu
        }
        "providerinfo" => {
            ensure!(!arg1.is_empty(), "Argument <addr> missing.");
-            match provider::get_provider_info(arg1) {
+            let proxy_enabled = context
+                .get_config_bool(config::Config::ProxyEnabled)
+                .await?;
+            match provider::get_provider_info(&context, arg1, proxy_enabled).await {
                Some(info) => {
                    println!("Information for provider belonging to {arg1}:");
                    println!("status: {}", info.status as u32);
@@ -1280,7 +1278,7 @@ pub async fn cmdline(context: Context, line: &str, chat_id: &mut ChatId) -> Resu
            );
        }
        "" => (),
-        _ => bail!("Unknown command: \"{arg0}\" type ? for help."),
+        _ => bail!("Unknown command: \"{}\" type ? for help.", arg0),
    }

    Ok(())
--- a/deltachat-repl/src/main.rs
+++ b/deltachat-repl/src/main.rs
@@ -199,7 +199,6 @@ const CHAT_COMMANDS: [&str; 39] = [
    "dellocations",
    "getlocations",
    "send",
-    "send-sync",
    "sendempty",
    "sendimage",
    "sendsticker",
@@ -207,6 +206,7 @@ const CHAT_COMMANDS: [&str; 39] = [
    "sendhtml",
    "sendsyncmsg",
    "sendupdate",
+    "videochat",
    "draft",
    "devicemsg",
    "listmedia",
@@ -232,7 +232,7 @@ const MESSAGE_COMMANDS: [&str; 10] = [
    "delmsg",
    "react",
 ];
-const CONTACT_COMMANDS: [&str; 9] = [
+const CONTACT_COMMANDS: [&str; 7] = [
    "listcontacts",
    "addcontact",
    "contactinfo",
@@ -240,8 +240,6 @@ const CONTACT_COMMANDS: [&str; 9] = [
    "block",
    "unblock",
    "listblocked",
-    "import-vcard",
-    "make-vcard",
 ];
 const MISC_COMMANDS: [&str; 14] = [
    "getqr",
@@ -467,7 +465,7 @@ async fn handle_cmd(
                    println!("QR code svg written to: {file:#?}");
                }
                Err(err) => {
-                    bail!("Failed to get QR code svg: {err}");
+                    bail!("Failed to get QR code svg: {}", err);
                }
            }
        }
--- a/deltachat-rpc-client/pyproject.toml
+++ b/deltachat-rpc-client/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"

 [project]
 name = "deltachat-rpc-client"
-version = "2.24.0"
+version = "2.6.0"
 description = "Python client for Delta Chat core JSON-RPC interface"
 classifiers = [
    "Development Status :: 5 - Production/Stable",
@@ -19,7 +19,6 @@ classifiers = [
    "Programming Language :: Python :: 3.11",
    "Programming Language :: Python :: 3.12",
    "Programming Language :: Python :: 3.13",
-    "Programming Language :: Python :: 3.14",
    "Topic :: Communications :: Chat",
    "Topic :: Communications :: Email"
 ]
--- a/deltachat-rpc-client/src/deltachat_rpc_client/account.py
+++ b/deltachat-rpc-client/src/deltachat_rpc_client/account.py
@@ -2,7 +2,6 @@

 from __future__ import annotations

-import json
 from dataclasses import dataclass
 from typing import TYPE_CHECKING, Optional, Union
 from warnings import warn
@@ -125,11 +124,6 @@ class Account:
        """Add a new transport."""
        yield self._rpc.add_or_update_transport.future(self.id, params)

-    @futuremethod
-    def add_transport_from_qr(self, qr: str):
-        """Add a new transport using a QR code."""
-        yield self._rpc.add_transport_from_qr.future(self.id, qr)
-
    @futuremethod
    def list_transports(self):
        """Return the list of all email accounts that are used as a transport in the current profile."""
@@ -191,21 +185,7 @@ class Account:
        return Contact(self, contact_id)

    def get_contact_by_addr(self, address: str) -> Optional[Contact]:
-        """Looks up a known and unblocked contact with a given e-mail address.
-        To get a list of all known and unblocked contacts, use contacts_get_contacts().
-
-        **POTENTIAL SECURITY ISSUE**: If there are multiple contacts with this address
-        (e.g. an address-contact and a key-contact),
-        this looks up the most recently seen contact,
-        i.e. which contact is returned depends on which contact last sent a message.
-        If the user just clicked on a mailto: link, then this is the best thing you can do.
-        But **DO NOT** internally represent contacts by their email address
-        and do not use this function to look them up;
-        otherwise this function will sometimes look up the wrong contact.
-        Instead, you should internally represent contacts by their ids.
-
-        To validate an e-mail address independently of the contact database
-        use check_email_validity()."""
+        """Check if an e-mail address belongs to a known and unblocked contact."""
        contact_id = self._rpc.lookup_contact_id_by_addr(self.id, address)
        return contact_id and Contact(self, contact_id)

@@ -305,7 +285,7 @@ class Account:
            chats.append(AttrDict(item))
        return chats

-    def create_group(self, name: str) -> Chat:
+    def create_group(self, name: str, protect: bool = False) -> Chat:
        """Create a new group chat.

        After creation,
@@ -322,11 +302,15 @@ class Account:
        To check, if a chat is still unpromoted, you can look at the `is_unpromoted` property of a chat
        (see `get_full_snapshot()` / `get_basic_snapshot()`).
        This may be useful if you want to show some help for just created groups.
+
+        :param protect: If set to 1 the function creates group with protection initially enabled.
+                        Only verified members are allowed in these groups
+                        and end-to-end-encryption is always enabled.
        """
-        return Chat(self, self._rpc.create_group_chat(self.id, name, False))
+        return Chat(self, self._rpc.create_group_chat(self.id, name, protect))

    def create_broadcast(self, name: str) -> Chat:
-        """Create a new, outgoing **broadcast channel**
+        """Create a new **broadcast channel**
        (called "Channel" in the UI).

        Broadcast channels are similar to groups on the sending device,
@@ -472,8 +456,3 @@ class Account:
    def initiate_autocrypt_key_transfer(self) -> None:
        """Send Autocrypt Setup Message."""
        return self._rpc.initiate_autocrypt_key_transfer(self.id)
-
-    def ice_servers(self) -> list:
-        """Return ICE servers for WebRTC configuration."""
-        ice_servers_json = self._rpc.ice_servers(self.id)
-        return json.loads(ice_servers_json)
--- a/deltachat-rpc-client/src/deltachat_rpc_client/chat.py
+++ b/deltachat-rpc-client/src/deltachat_rpc_client/chat.py
@@ -168,11 +168,6 @@ class Chat:
        msg_id = self._rpc.send_sticker(self.account.id, self.id, path)
        return Message(self.account, msg_id)

-    def resend_messages(self, messages: list[Message]) -> None:
-        """Resend a list of messages to this chat."""
-        msg_ids = [msg.id for msg in messages]
-        self._rpc.resend_messages(self.account.id, msg_ids)
-
    def forward_messages(self, messages: list[Message]) -> None:
        """Forward a list of messages to this chat."""
        msg_ids = [msg.id for msg in messages]
@@ -294,8 +289,3 @@ class Chat:
            f.write(vcard.encode())
            f.flush()
            self._rpc.send_msg(self.account.id, self.id, {"viewtype": ViewType.VCARD, "file": f.name})
-
-    def place_outgoing_call(self, place_call_info: str) -> Message:
-        """Starts an outgoing call."""
-        msg_id = self._rpc.place_outgoing_call(self.account.id, self.id, place_call_info)
-        return Message(self.account, msg_id)
--- a/deltachat-rpc-client/src/deltachat_rpc_client/client.py
+++ b/deltachat-rpc-client/src/deltachat_rpc_client/client.py
@@ -83,10 +83,11 @@ class Client:

    def configure(self, email: str, password: str, **kwargs) -> None:
        """Configure the client."""
+        self.account.set_config("addr", email)
+        self.account.set_config("mail_pw", password)
        for key, value in kwargs.items():
            self.account.set_config(key, value)
-        params = {"addr": email, "password": password}
-        self.account.add_or_update_transport(params)
+        self.account.configure()
        self.logger.debug("Account configured")

    def run_forever(self) -> None:
--- a/deltachat-rpc-client/src/deltachat_rpc_client/const.py
+++ b/deltachat-rpc-client/src/deltachat_rpc_client/const.py
@@ -73,10 +73,6 @@ class EventType(str, Enum):
    CHATLIST_ITEM_CHANGED = "ChatlistItemChanged"
    ACCOUNTS_CHANGED = "AccountsChanged"
    ACCOUNTS_ITEM_CHANGED = "AccountsItemChanged"
-    INCOMING_CALL = "IncomingCall"
-    INCOMING_CALL_ACCEPTED = "IncomingCallAccepted"
-    OUTGOING_CALL_ACCEPTED = "OutgoingCallAccepted"
-    CALL_ENDED = "CallEnded"
    CONFIG_SYNCED = "ConfigSynced"
    WEBXDC_REALTIME_DATA = "WebxdcRealtimeData"
    WEBXDC_REALTIME_ADVERTISEMENT_RECEIVED = "WebxdcRealtimeAdvertisementReceived"
@@ -160,6 +156,7 @@ class ViewType(str, Enum):
    VOICE = "Voice"
    VIDEO = "Video"
    FILE = "File"
+    VIDEOCHAT_INVITATION = "VideochatInvitation"
    WEBXDC = "Webxdc"
    VCARD = "Vcard"

@@ -278,3 +275,11 @@ class SocketSecurity(IntEnum):
    SSL = 1
    STARTTLS = 2
    PLAIN = 3
+
+
+class VideochatType(IntEnum):
+    """Video chat URL type."""
+
+    UNKNOWN = 0
+    BASICWEBRTC = 1
+    JITSI = 2
--- a/deltachat-rpc-client/src/deltachat_rpc_client/message.py
+++ b/deltachat-rpc-client/src/deltachat_rpc_client/message.py
@@ -93,17 +93,6 @@ class Message:
            if event.kind == EventType.MSG_DELIVERED and event.msg_id == self.id:
                break

-    def resend(self) -> None:
-        """Resend messages and make information available for newly added chat members.
-        Resending sends out the original message, however, recipients and webxdc-status may differ.
-        Clients that already have the original message can still ignore the resent message as
-        they have tracked the state by dedicated updates.
-
-        Some messages cannot be resent, eg. info-messages, drafts, already pending messages,
-        or messages that are not sent by SELF.
-        """
-        self._rpc.resend_messages(self.account.id, [self.id])
-
    @futuremethod
    def send_webxdc_realtime_advertisement(self):
        """Send an advertisement to join the realtime channel."""
@@ -113,15 +102,3 @@ class Message:
    def send_webxdc_realtime_data(self, data) -> None:
        """Send data to the realtime channel."""
        yield self._rpc.send_webxdc_realtime_data.future(self.account.id, self.id, list(data))
-
-    def accept_incoming_call(self, accept_call_info):
-        """Accepts an incoming call."""
-        self._rpc.accept_incoming_call(self.account.id, self.id, accept_call_info)
-
-    def end_call(self):
-        """Ends incoming or outgoing call."""
-        self._rpc.end_call(self.account.id, self.id)
-
-    def get_call_info(self) -> AttrDict:
-        """Return information about the call."""
-        return AttrDict(self._rpc.call_info(self.account.id, self.id))
--- a/deltachat-rpc-client/src/deltachat_rpc_client/pytestplugin.py
+++ b/deltachat-rpc-client/src/deltachat_rpc_client/pytestplugin.py
@@ -28,7 +28,9 @@ class ACFactory:

    def get_unconfigured_account(self) -> Account:
        """Create a new unconfigured account."""
-        return self.deltachat.add_account()
+        account = self.deltachat.add_account()
+        account.set_config("verified_one_on_one_chats", "1")
+        return account

    def get_unconfigured_bot(self) -> Bot:
        """Create a new unconfigured bot."""
@@ -43,9 +45,10 @@ class ACFactory:
    @futuremethod
    def new_configured_account(self):
        """Create a new configured account."""
+        addr, password = self.get_credentials()
        account = self.get_unconfigured_account()
-        domain = os.getenv("CHATMAIL_DOMAIN")
-        yield account.add_transport_from_qr.future(f"dcaccount:{domain}")
+        params = {"addr": addr, "password": password}
+        yield account.add_or_update_transport.future(params)

        assert account.is_configured()
        return account
@@ -72,11 +75,11 @@ class ACFactory:
    def resetup_account(self, ac: Account) -> Account:
        """Resetup account from scratch, losing the encryption key."""
        ac.stop_io()
-        transports = ac.list_transports()
-        ac.remove()
        ac_clone = self.get_unconfigured_account()
-        for transport in transports:
-            ac_clone.add_or_update_transport(transport)
+        for i in ["addr", "mail_pw"]:
+            ac_clone.set_config(i, ac.get_config(i))
+        ac.remove()
+        ac_clone.configure()
        return ac_clone

    def get_accepted_chat(self, ac1: Account, ac2: Account) -> Chat:
--- a/deltachat-rpc-client/tests/test_calls.py
+++ b/deltachat-rpc-client/tests/test_calls.py
@@ -1,109 +0,0 @@
-from deltachat_rpc_client import EventType, Message
-
-
-def test_calls(acfactory) -> None:
-    alice, bob = acfactory.get_online_accounts(2)
-
-    place_call_info = "offer"
-    accept_call_info = "answer"
-
-    alice_contact_bob = alice.create_contact(bob, "Bob")
-    alice_chat_bob = alice_contact_bob.create_chat()
-    bob.create_chat(alice)  # Accept the chat so incoming call causes a notification.
-    outgoing_call_message = alice_chat_bob.place_outgoing_call(place_call_info)
-    assert outgoing_call_message.get_call_info().state.kind == "Alerting"
-
-    incoming_call_event = bob.wait_for_event(EventType.INCOMING_CALL)
-    assert incoming_call_event.place_call_info == place_call_info
-    assert not incoming_call_event.has_video  # Cannot be parsed as SDP, so false by default
-    incoming_call_message = Message(bob, incoming_call_event.msg_id)
-    assert incoming_call_message.get_call_info().state.kind == "Alerting"
-    assert not incoming_call_message.get_call_info().has_video
-
-    incoming_call_message.accept_incoming_call(accept_call_info)
-    assert incoming_call_message.get_call_info().sdp_offer == place_call_info
-    assert incoming_call_message.get_call_info().state.kind == "Active"
-    outgoing_call_accepted_event = alice.wait_for_event(EventType.OUTGOING_CALL_ACCEPTED)
-    assert outgoing_call_accepted_event.accept_call_info == accept_call_info
-    assert outgoing_call_message.get_call_info().state.kind == "Active"
-
-    outgoing_call_message.end_call()
-    assert outgoing_call_message.get_call_info().state.kind == "Completed"
-
-    end_call_event = bob.wait_for_event(EventType.CALL_ENDED)
-    assert end_call_event.msg_id == outgoing_call_message.id
-    assert incoming_call_message.get_call_info().state.kind == "Completed"
-
-
-def test_video_call(acfactory) -> None:
-    # Example from <https://datatracker.ietf.org/doc/rfc9143/>
-    # with `s= ` replaced with `s=-`.
-    #
-    # `s=` cannot be empty according to RFC 3264,
-    # so it is more clear as `s=-`.
-    place_call_info = """v=0\r
-o=alice 2890844526 2890844526 IN IP6 2001:db8::3\r
-s=-\r
-c=IN IP6 2001:db8::3\r
-t=0 0\r
-a=group:BUNDLE foo bar\r
-\r
-m=audio 10000 RTP/AVP 0 8 97\r
-b=AS:200\r
-a=mid:foo\r
-a=rtcp-mux\r
-a=rtpmap:0 PCMU/8000\r
-a=rtpmap:8 PCMA/8000\r
-a=rtpmap:97 iLBC/8000\r
-a=extmap:1 urn:ietf:params:rtp-hdrext:sdes:mid\r
-\r
-m=video 10002 RTP/AVP 31 32\r
-b=AS:1000\r
-a=mid:bar\r
-a=rtcp-mux\r
-a=rtpmap:31 H261/90000\r
-a=rtpmap:32 MPV/90000\r
-a=extmap:1 urn:ietf:params:rtp-hdrext:sdes:mid\r
-"""
-
-    alice, bob = acfactory.get_online_accounts(2)
-
-    bob.create_chat(alice)  # Accept the chat so incoming call causes a notification.
-    alice_contact_bob = alice.create_contact(bob, "Bob")
-    alice_chat_bob = alice_contact_bob.create_chat()
-    alice_chat_bob.place_outgoing_call(place_call_info)
-
-    incoming_call_event = bob.wait_for_event(EventType.INCOMING_CALL)
-    assert incoming_call_event.place_call_info == place_call_info
-    assert incoming_call_event.has_video
-
-    incoming_call_message = Message(bob, incoming_call_event.msg_id)
-    assert incoming_call_message.get_call_info().has_video
-
-
-def test_ice_servers(acfactory) -> None:
-    alice = acfactory.get_online_account()
-
-    ice_servers = alice.ice_servers()
-    assert len(ice_servers) == 1
-
-
-def test_no_contact_request_call(acfactory) -> None:
-    alice, bob = acfactory.get_online_accounts(2)
-
-    alice_chat_bob = alice.create_chat(bob)
-    alice_chat_bob.place_outgoing_call("offer")
-    alice_chat_bob.send_text("Hello!")
-
-    # Notification for "Hello!" message should arrive
-    # without the call ringing.
-    while True:
-        event = bob.wait_for_event()
-
-        # There should be no incoming call notification.
-        assert event.kind != EventType.INCOMING_CALL
-
-        if event.kind == EventType.MSGS_CHANGED:
-            msg = bob.get_message_by_id(event.msg_id)
-            if msg.get_snapshot().text == "Hello!":
-                break
--- a/deltachat-rpc-client/tests/test_chatlist_events.py
+++ b/deltachat-rpc-client/tests/test_chatlist_events.py
@@ -169,8 +169,6 @@ def test_imap_sync_seen_msgs(acfactory: ACFactory) -> None:
    """
    alice, alice_second_device, bob, alice_chat_bob = get_multi_account_test_setup(acfactory)

-    bob.create_chat(alice)
-
    alice_chat_bob.send_text("hello")

    msg = bob.wait_for_incoming_msg()
--- a/deltachat-rpc-client/tests/test_iroh_webxdc.py
+++ b/deltachat-rpc-client/tests/test_iroh_webxdc.py
@@ -214,9 +214,7 @@ def test_advertisement_after_chatting(acfactory, path_to_webxdc):
    ac1_ac2_chat = ac1.create_chat(ac2)
    ac1_webxdc_msg = ac1_ac2_chat.send_message(text="WebXDC", file=path_to_webxdc)
    ac2_webxdc_msg = ac2.wait_for_incoming_msg()
-    ac2_webxdc_msg_snapshot = ac2_webxdc_msg.get_snapshot()
-    assert ac2_webxdc_msg_snapshot.text == "WebXDC"
-    ac2_webxdc_msg_snapshot.chat.accept()
+    assert ac2_webxdc_msg.get_snapshot().text == "WebXDC"

    ac1_ac2_chat.send_text("Hello!")
    ac2_hello_msg = ac2.wait_for_incoming_msg()
--- a/deltachat-rpc-client/tests/test_key_transfer.py
+++ b/deltachat-rpc-client/tests/test_key_transfer.py
@@ -18,7 +18,9 @@ def test_autocrypt_setup_message_key_transfer(acfactory):
    alice1 = acfactory.get_online_account()

    alice2 = acfactory.get_unconfigured_account()
-    alice2.add_or_update_transport({"addr": alice1.get_config("addr"), "password": alice1.get_config("mail_pw")})
+    alice2.set_config("addr", alice1.get_config("addr"))
+    alice2.set_config("mail_pw", alice1.get_config("mail_pw"))
+    alice2.configure()
    alice2.bring_online()

    setup_code = alice1.initiate_autocrypt_key_transfer()
@@ -35,7 +37,9 @@ def test_ac_setup_message_twice(acfactory):
    alice1 = acfactory.get_online_account()

    alice2 = acfactory.get_unconfigured_account()
-    alice2.add_or_update_transport({"addr": alice1.get_config("addr"), "password": alice1.get_config("mail_pw")})
+    alice2.set_config("addr", alice1.get_config("addr"))
+    alice2.set_config("mail_pw", alice1.get_config("mail_pw"))
+    alice2.configure()
    alice2.bring_online()

    # Send the first Autocrypt Setup Message and ignore it.
--- a/deltachat-rpc-client/tests/test_securejoin.py
+++ b/deltachat-rpc-client/tests/test_securejoin.py
@@ -3,7 +3,6 @@ import logging
 import pytest

 from deltachat_rpc_client import Chat, EventType, SpecialContactId
-from deltachat_rpc_client.const import ChatType
 from deltachat_rpc_client.rpc import JsonRpcError


@@ -59,7 +58,8 @@ def test_qr_setup_contact_svg(acfactory) -> None:
    assert "Alice" in svg


-def test_qr_securejoin(acfactory):
+@pytest.mark.parametrize("protect", [True, False])
+def test_qr_securejoin(acfactory, protect):
    alice, bob, fiona = acfactory.get_online_accounts(3)

    # Setup second device for Alice
@@ -67,7 +67,8 @@ def test_qr_securejoin(acfactory):
    alice2 = alice.clone()

    logging.info("Alice creates a group")
-    alice_chat = alice.create_group("Group")
+    alice_chat = alice.create_group("Group", protect=protect)
+    assert alice_chat.get_basic_snapshot().is_protected == protect

    logging.info("Bob joins the group")
    qr_code = alice_chat.get_qr_code()
@@ -88,6 +89,7 @@ def test_qr_securejoin(acfactory):

    snapshot = bob.get_message_by_id(bob.wait_for_incoming_msg_event().msg_id).get_snapshot()
    assert snapshot.text == "Member Me added by {}.".format(alice.get_config("addr"))
+    assert snapshot.chat.get_basic_snapshot().is_protected == protect

    # Test that Bob verified Alice's profile.
    bob_contact_alice = bob.create_contact(alice)
@@ -110,143 +112,6 @@ def test_qr_securejoin(acfactory):
    fiona.wait_for_securejoin_joiner_success()


-@pytest.mark.parametrize("all_devices_online", [True, False])
-def test_qr_securejoin_broadcast(acfactory, all_devices_online):
-    alice, bob, fiona = acfactory.get_online_accounts(3)
-
-    alice2 = alice.clone()
-    bob2 = bob.clone()
-
-    if all_devices_online:
-        alice2.start_io()
-        bob2.start_io()
-
-    logging.info("===================== Alice creates a broadcast =====================")
-    alice_chat = alice.create_broadcast("Broadcast channel for everyone!")
-    snapshot = alice_chat.get_basic_snapshot()
-    assert not snapshot.is_unpromoted  # Broadcast channels are never unpromoted
-
-    logging.info("===================== Bob joins the broadcast =====================")
-
-    qr_code = alice_chat.get_qr_code()
-    bob.secure_join(qr_code)
-    alice.wait_for_securejoin_inviter_success()
-    bob.wait_for_securejoin_joiner_success()
-    alice_chat.send_text("Hello everyone!")
-
-    def get_broadcast(ac):
-        chat = ac.get_chatlist(query="Broadcast channel for everyone!")[0]
-        assert chat.get_basic_snapshot().name == "Broadcast channel for everyone!"
-        return chat
-
-    def wait_for_broadcast_messages(ac):
-        chat = get_broadcast(ac)
-
-        snapshot = ac.wait_for_incoming_msg().get_snapshot()
-        assert snapshot.text == "You joined the channel."
-        assert snapshot.chat_id == chat.id
-
-        snapshot = ac.wait_for_incoming_msg().get_snapshot()
-        assert snapshot.text == "Hello everyone!"
-        assert snapshot.chat_id == chat.id
-
-    def check_account(ac, contact, inviter_side, please_wait_info_msg=False):
-        # Check that the chat partner is verified.
-        contact_snapshot = contact.get_snapshot()
-        assert contact_snapshot.is_verified
-
-        chat = get_broadcast(ac)
-        chat_msgs = chat.get_messages()
-
-        if please_wait_info_msg:
-            first_msg = chat_msgs.pop(0).get_snapshot()
-            assert first_msg.text == "Establishing guaranteed end-to-end encryption, please wait…"
-            assert first_msg.is_info
-
-        encrypted_msg = chat_msgs[0].get_snapshot()
-        assert encrypted_msg.text == "Messages are end-to-end encrypted."
-        assert encrypted_msg.is_info
-
-        member_added_msg = chat_msgs[1].get_snapshot()
-        if inviter_side:
-            assert member_added_msg.text == f"Member {contact_snapshot.display_name} added."
-        else:
-            assert member_added_msg.text == "You joined the channel."
-        assert member_added_msg.is_info
-
-        hello_msg = chat_msgs[2].get_snapshot()
-        assert hello_msg.text == "Hello everyone!"
-        assert not hello_msg.is_info
-        assert hello_msg.show_padlock
-        assert hello_msg.error is None
-
-        assert len(chat_msgs) == 3
-
-        chat_snapshot = chat.get_full_snapshot()
-        assert chat_snapshot.is_encrypted
-        assert chat_snapshot.name == "Broadcast channel for everyone!"
-        if inviter_side:
-            assert chat_snapshot.chat_type == ChatType.OUT_BROADCAST
-        else:
-            assert chat_snapshot.chat_type == ChatType.IN_BROADCAST
-        assert chat_snapshot.can_send == inviter_side
-
-        chat_contacts = chat_snapshot.contact_ids
-        assert contact.id in chat_contacts
-        if inviter_side:
-            assert len(chat_contacts) == 1
-        else:
-            assert len(chat_contacts) == 2
-            assert SpecialContactId.SELF in chat_contacts
-            assert chat_snapshot.self_in_group
-
-    wait_for_broadcast_messages(bob)
-
-    check_account(alice, alice.create_contact(bob), inviter_side=True)
-    check_account(bob, bob.create_contact(alice), inviter_side=False, please_wait_info_msg=True)
-
-    logging.info("===================== Test Alice's second device =====================")
-
-    # Start second Alice device, if it wasn't started already.
-    alice2.start_io()
-
-    while True:
-        msg_id = alice2.wait_for_msgs_changed_event().msg_id
-        if msg_id:
-            snapshot = alice2.get_message_by_id(msg_id).get_snapshot()
-            if snapshot.text == "Hello everyone!":
-                break
-
-    check_account(alice2, alice2.create_contact(bob), inviter_side=True)
-
-    logging.info("===================== Test Bob's second device =====================")
-
-    # Start second Bob device, if it wasn't started already.
-    bob2.start_io()
-    bob2.wait_for_securejoin_joiner_success()
-    wait_for_broadcast_messages(bob2)
-    check_account(bob2, bob2.create_contact(alice), inviter_side=False)
-
-    # The QR code token is synced, so alice2 must be able to handle join requests.
-    logging.info("===================== Fiona joins the group via alice2 =====================")
-    alice.stop_io()
-    fiona.secure_join(qr_code)
-    alice2.wait_for_securejoin_inviter_success()
-    fiona.wait_for_securejoin_joiner_success()
-
-    snapshot = fiona.wait_for_incoming_msg().get_snapshot()
-    assert snapshot.text == "You joined the channel."
-
-    get_broadcast(alice2).get_messages()[2].resend()
-    snapshot = fiona.wait_for_incoming_msg().get_snapshot()
-    assert snapshot.text == "Hello everyone!"
-
-    check_account(fiona, fiona.create_contact(alice), inviter_side=False, please_wait_info_msg=True)
-
-    # For Bob, the channel must not have changed:
-    check_account(bob, bob.create_contact(alice), inviter_side=False, please_wait_info_msg=True)
-
-
 def test_qr_securejoin_contact_request(acfactory) -> None:
    """Alice invites Bob to a group when Bob's chat with Alice is in a contact request mode."""
    alice, bob = acfactory.get_online_accounts(2)
@@ -260,8 +125,8 @@ def test_qr_securejoin_contact_request(acfactory) -> None:
    bob_chat_alice = snapshot.chat
    assert bob_chat_alice.get_basic_snapshot().is_contact_request

-    alice_chat = alice.create_group("Group")
-    logging.info("Bob joins the group")
+    alice_chat = alice.create_group("Verified group", protect=True)
+    logging.info("Bob joins verified group")
    qr_code = alice_chat.get_qr_code()
    bob.secure_join(qr_code)
    while True:
@@ -285,8 +150,8 @@ def test_qr_readreceipt(acfactory) -> None:
    for joiner in [bob, charlie]:
        joiner.wait_for_securejoin_joiner_success()

-    logging.info("Alice creates a group")
-    group = alice.create_group("Group")
+    logging.info("Alice creates a verified group")
+    group = alice.create_group("Group", protect=True)

    alice_contact_bob = alice.create_contact(bob, "Bob")
    alice_contact_charlie = alice.create_contact(charlie, "Charlie")
@@ -351,10 +216,11 @@ def test_verified_group_member_added_recovery(acfactory) -> None:
    """Tests verified group recovery by reverifying then removing and adding a member back."""
    ac1, ac2, ac3 = acfactory.get_online_accounts(3)

-    logging.info("ac1 creates a group")
-    chat = ac1.create_group("Group")
+    logging.info("ac1 creates verified group")
+    chat = ac1.create_group("Verified group", protect=True)
+    assert chat.get_basic_snapshot().is_protected

-    logging.info("ac2 joins the group")
+    logging.info("ac2 joins verified group")
    qr_code = chat.get_qr_code()
    ac2.secure_join(qr_code)
    ac2.wait_for_securejoin_joiner_success()
@@ -417,10 +283,8 @@ def test_verified_group_member_added_recovery(acfactory) -> None:
    ac1_contact_ac2 = ac1.create_contact(ac2)
    ac1_contact_ac3 = ac1.create_contact(ac3)
    ac1_contact_ac2_snapshot = ac1_contact_ac2.get_snapshot()
-    # Until we reset verifications and then send the _verified header,
-    # verification is not gossiped here:
-    assert not ac1_contact_ac2_snapshot.is_verified
-    assert ac1_contact_ac2_snapshot.verifier_id != ac1_contact_ac3.id
+    assert ac1_contact_ac2_snapshot.is_verified
+    assert ac1_contact_ac2_snapshot.verifier_id == ac1_contact_ac3.id


 def test_qr_join_chat_with_pending_bobstate_issue4894(acfactory):
@@ -438,8 +302,8 @@ def test_qr_join_chat_with_pending_bobstate_issue4894(acfactory):
    # we first create a fully joined verified group, and then start
    # joining a second time but interrupt it, to create pending bob state

-    logging.info("ac1: create a group that ac2 fully joins")
-    ch1 = ac1.create_group("Group")
+    logging.info("ac1: create verified group that ac2 fully joins")
+    ch1 = ac1.create_group("Group", protect=True)
    qr_code = ch1.get_qr_code()
    ac2.secure_join(qr_code)
    ac1.wait_for_securejoin_inviter_success()
@@ -449,6 +313,7 @@ def test_qr_join_chat_with_pending_bobstate_issue4894(acfactory):
    while 1:
        snapshot = ac2.get_message_by_id(ac2.wait_for_incoming_msg_event().msg_id).get_snapshot()
        if snapshot.text == "ac1 says hello":
+            assert snapshot.chat.get_basic_snapshot().is_protected
            break

    logging.info("ac1: let ac2 join again but shutoff ac1 in the middle of securejoin")
@@ -462,7 +327,7 @@ def test_qr_join_chat_with_pending_bobstate_issue4894(acfactory):
    assert ac2.create_contact(ac3).get_snapshot().is_verified

    logging.info("ac3: create a verified group VG with ac2")
-    vg = ac3.create_group("ac3-created")
+    vg = ac3.create_group("ac3-created", protect=True)
    vg.add_contact(ac3.create_contact(ac2))

    # ensure ac2 receives message in VG
@@ -470,6 +335,7 @@ def test_qr_join_chat_with_pending_bobstate_issue4894(acfactory):
    while 1:
        msg = ac2.get_message_by_id(ac2.wait_for_incoming_msg_event().msg_id).get_snapshot()
        if msg.text == "hello":
+            assert msg.chat.get_basic_snapshot().is_protected
            break

    logging.info("ac3: create a join-code for group VG and let ac4 join, check that ac2 got it")
@@ -493,7 +359,7 @@ def test_qr_new_group_unblocked(acfactory):
    """

    ac1, ac2 = acfactory.get_online_accounts(2)
-    ac1_chat = ac1.create_group("Group for joining")
+    ac1_chat = ac1.create_group("Group for joining", protect=True)
    qr_code = ac1_chat.get_qr_code()
    ac2.secure_join(qr_code)

@@ -518,7 +384,8 @@ def test_aeap_flow_verified(acfactory):
    addr, password = acfactory.get_credentials()

    logging.info("ac1: create verified-group QR, ac2 scans and joins")
-    chat = ac1.create_group("hello")
+    chat = ac1.create_group("hello", protect=True)
+    assert chat.get_basic_snapshot().is_protected
    qr_code = chat.get_qr_code()
    logging.info("ac2: start QR-code based join-group protocol")
    ac2.secure_join(qr_code)
@@ -572,6 +439,7 @@ def test_gossip_verification(acfactory) -> None:

    logging.info("Bob creates an Autocrypt group")
    bob_group_chat = bob.create_group("Autocrypt Group")
+    assert not bob_group_chat.get_basic_snapshot().is_protected
    bob_group_chat.add_contact(bob_contact_alice)
    bob_group_chat.add_contact(bob_contact_carol)
    bob_group_chat.send_message(text="Hello Autocrypt group")
@@ -580,14 +448,13 @@ def test_gossip_verification(acfactory) -> None:
    assert snapshot.text == "Hello Autocrypt group"
    assert snapshot.show_padlock

-    # Group propagates verification using Autocrypt-Gossip header.
+    # Autocrypt group does not propagate verification.
    carol_contact_alice_snapshot = carol_contact_alice.get_snapshot()
-    # Until we reset verifications and then send the _verified header,
-    # verification is not gossiped here:
    assert not carol_contact_alice_snapshot.is_verified

    logging.info("Bob creates a Securejoin group")
-    bob_group_chat = bob.create_group("Securejoin Group")
+    bob_group_chat = bob.create_group("Securejoin Group", protect=True)
+    assert bob_group_chat.get_basic_snapshot().is_protected
    bob_group_chat.add_contact(bob_contact_alice)
    bob_group_chat.add_contact(bob_contact_carol)
    bob_group_chat.send_message(text="Hello Securejoin group")
@@ -598,9 +465,7 @@ def test_gossip_verification(acfactory) -> None:

    # Securejoin propagates verification.
    carol_contact_alice_snapshot = carol_contact_alice.get_snapshot()
-    # Until we reset verifications and then send the _verified header,
-    # verification is not gossiped here:
-    assert not carol_contact_alice_snapshot.is_verified
+    assert carol_contact_alice_snapshot.is_verified


 def test_securejoin_after_contact_resetup(acfactory) -> None:
@@ -612,7 +477,7 @@ def test_securejoin_after_contact_resetup(acfactory) -> None:
    ac1, ac2, ac3 = acfactory.get_online_accounts(3)

    # ac3 creates protected group with ac1.
-    ac3_chat = ac3.create_group("Group")
+    ac3_chat = ac3.create_group("Verified group", protect=True)

    # ac1 joins ac3 group.
    ac3_qr_code = ac3_chat.get_qr_code()
@@ -660,6 +525,7 @@ def test_securejoin_after_contact_resetup(acfactory) -> None:
    snapshot = ac2.get_message_by_id(ac2.wait_for_incoming_msg_event().msg_id).get_snapshot()
    assert snapshot.is_info
    ac2_chat = snapshot.chat
+    assert ac2_chat.get_basic_snapshot().is_protected
    assert len(ac2_chat.get_contacts()) == 3

    # ac1 is still "not verified" for ac2 due to inconsistent state.
@@ -669,8 +535,9 @@ def test_securejoin_after_contact_resetup(acfactory) -> None:
 def test_withdraw_securejoin_qr(acfactory):
    alice, bob = acfactory.get_online_accounts(2)

-    logging.info("Alice creates a group")
-    alice_chat = alice.create_group("Group")
+    logging.info("Alice creates a verified group")
+    alice_chat = alice.create_group("Verified group", protect=True)
+    assert alice_chat.get_basic_snapshot().is_protected
    logging.info("Bob joins verified group")

    qr_code = alice_chat.get_qr_code()
@@ -681,6 +548,7 @@ def test_withdraw_securejoin_qr(acfactory):

    snapshot = bob.get_message_by_id(bob.wait_for_incoming_msg_event().msg_id).get_snapshot()
    assert snapshot.text == "Member Me added by {}.".format(alice.get_config("addr"))
+    assert snapshot.chat.get_basic_snapshot().is_protected
    bob_chat.leave()

    snapshot = alice.get_message_by_id(alice.wait_for_msgs_changed_event().msg_id).get_snapshot()
--- a/deltachat-rpc-client/tests/test_something.py
+++ b/deltachat-rpc-client/tests/test_something.py
@@ -11,7 +11,7 @@ from unittest.mock import MagicMock
 import pytest

 from deltachat_rpc_client import Contact, EventType, Message, events
-from deltachat_rpc_client.const import DownloadState, MessageState
+from deltachat_rpc_client.const import ChatType, DownloadState, MessageState
 from deltachat_rpc_client.pytestplugin import E2EE_INFO_MSGS
 from deltachat_rpc_client.rpc import JsonRpcError

@@ -171,10 +171,7 @@ def test_account(acfactory) -> None:
    assert alice.get_size()
    assert alice.is_configured()
    assert not alice.get_avatar()
-    # get_contact_by_addr() can lookup a key contact by address:
-    bob_contact = alice.get_contact_by_addr(bob_addr).get_snapshot()
-    assert bob_contact.display_name == "Bob"
-    assert bob_contact.is_key_contact
+    assert alice.get_contact_by_addr(bob_addr) is None  # There is no address-contact, only key-contact
    assert alice.get_contacts()
    assert alice.get_contacts(snapshot=True)
    assert alice.self_contact
@@ -252,7 +249,6 @@ def test_chat(acfactory) -> None:
    bob_chat_alice.get_encryption_info()

    group = alice.create_group("test group")
-    to_resend = group.send_text("will be resent")
    group.add_contact(alice_contact_bob)
    group.get_qr_code()

@@ -264,7 +260,6 @@ def test_chat(acfactory) -> None:

    msg = group.send_message(text="hi")
    assert (msg.get_snapshot()).text == "hi"
-    group.resend_messages([to_resend])
    group.forward_messages([msg])

    group.set_draft(text="test draft")
@@ -331,53 +326,6 @@ def test_message(acfactory) -> None:
    assert reactions == snapshot.reactions


-def test_receive_imf_failure(acfactory) -> None:
-    alice, bob = acfactory.get_online_accounts(2)
-    alice_contact_bob = alice.create_contact(bob, "Bob")
-    alice_chat_bob = alice_contact_bob.create_chat()
-
-    bob.set_config("fail_on_receiving_full_msg", "1")
-    alice_chat_bob.send_text("Hello!")
-    event = bob.wait_for_incoming_msg_event()
-    chat_id = event.chat_id
-    msg_id = event.msg_id
-    message = bob.get_message_by_id(msg_id)
-    snapshot = message.get_snapshot()
-    assert snapshot.chat_id == chat_id
-    assert snapshot.download_state == DownloadState.AVAILABLE
-    assert snapshot.error is not None
-    assert snapshot.show_padlock
-    snapshot.chat.accept()
-
-    # The failed message doesn't break the IMAP loop.
-    bob.set_config("fail_on_receiving_full_msg", "0")
-    alice_chat_bob.send_text("Hello again!")
-    event = bob.wait_for_incoming_msg_event()
-    assert event.chat_id == chat_id
-    msg_id = event.msg_id
-    message1 = bob.get_message_by_id(msg_id)
-    snapshot = message1.get_snapshot()
-    assert snapshot.chat_id == chat_id
-    assert snapshot.download_state == DownloadState.DONE
-    assert snapshot.error is None
-
-    # The failed message can be re-downloaded later.
-    bob._rpc.download_full_message(bob.id, message.id)
-    event = bob.wait_for_event(EventType.MSGS_CHANGED)
-    message = bob.get_message_by_id(event.msg_id)
-    snapshot = message.get_snapshot()
-    assert snapshot.download_state == DownloadState.IN_PROGRESS
-    event = bob.wait_for_event(EventType.MSGS_CHANGED)
-    assert event.chat_id == chat_id
-    msg_id = event.msg_id
-    message = bob.get_message_by_id(msg_id)
-    snapshot = message.get_snapshot()
-    assert snapshot.chat_id == chat_id
-    assert snapshot.download_state == DownloadState.DONE
-    assert snapshot.error is None
-    assert snapshot.text == "Hello!"
-
-
 def test_selfavatar_sync(acfactory, data, log) -> None:
    alice = acfactory.get_online_account()

@@ -571,11 +519,8 @@ def test_provider_info(rpc) -> None:
    assert provider_info is None

    # Test MX record resolution.
-    # This previously resulted in Gmail provider
-    # because MX record pointed to google.com domain,
-    # but MX record resolution has been removed.
    provider_info = rpc.get_provider_info(account_id, "github.com")
-    assert provider_info is None
+    assert provider_info["id"] == "gmail"

    # Disable MX record resolution.
    rpc.set_config(account_id, "proxy_enabled", "1")
@@ -817,7 +762,7 @@ def test_configured_imap_certificate_checks(acfactory):
    alice = acfactory.new_configured_account()

    # Certificate checks should be configured (not None)
-    assert "cert_strict" in alice.get_info().used_account_settings
+    assert "cert_automatic" in alice.get_info().used_account_settings

    # "cert_old_automatic" is the value old Delta Chat core versions used
    # to mean user entered "imap_certificate_checks=0" (Automatic)
@@ -889,12 +834,10 @@ def test_rename_group(acfactory):
    bob_msg = bob.wait_for_incoming_msg()
    bob_chat = bob_msg.get_snapshot().chat
    assert bob_chat.get_basic_snapshot().name == "Test group"
-    bob.wait_for_event(EventType.CHATLIST_ITEM_CHANGED)

    for name in ["Baz", "Foo bar", "Xyzzy"]:
        alice_group.set_name(name)
-        bob.wait_for_event(EventType.CHATLIST_ITEM_CHANGED)
-        bob.wait_for_event(EventType.CHATLIST_ITEM_CHANGED)
+        bob.wait_for_incoming_msg_event()
        assert bob_chat.get_basic_snapshot().name == name


@@ -930,103 +873,34 @@ def test_delete_deltachat_folder(acfactory, direct_imap):
    assert "DeltaChat" in ac1_direct_imap.list_folders()


-@pytest.mark.parametrize("all_devices_online", [True, False])
-def test_leave_broadcast(acfactory, all_devices_online):
+def test_broadcast(acfactory):
    alice, bob = acfactory.get_online_accounts(2)

-    bob2 = bob.clone()
+    alice_chat = alice.create_broadcast("My great channel")
+    snapshot = alice_chat.get_basic_snapshot()
+    assert snapshot.name == "My great channel"
+    assert snapshot.is_unpromoted
+    assert snapshot.is_encrypted
+    assert snapshot.chat_type == ChatType.OUT_BROADCAST

-    if all_devices_online:
-        bob2.start_io()
+    alice_contact_bob = alice.create_contact(bob, "Bob")
+    alice_chat.add_contact(alice_contact_bob)

-    logging.info("===================== Alice creates a broadcast =====================")
-    alice_chat = alice.create_broadcast("Broadcast channel for everyone!")
+    alice_msg = alice_chat.send_message(text="hello").get_snapshot()
+    assert alice_msg.text == "hello"
+    assert alice_msg.show_padlock

-    logging.info("===================== Bob joins the broadcast =====================")
-    qr_code = alice_chat.get_qr_code()
-    bob.secure_join(qr_code)
-    alice.wait_for_securejoin_inviter_success()
-    bob.wait_for_securejoin_joiner_success()
+    bob_msg = bob.wait_for_incoming_msg().get_snapshot()
+    assert bob_msg.text == "hello"
+    assert bob_msg.show_padlock
+    assert bob_msg.error is None

-    alice_bob_contact = alice.create_contact(bob)
-    alice_contacts = alice_chat.get_contacts()
-    assert len(alice_contacts) == 1  # 1 recipient
-    assert alice_contacts[0].id == alice_bob_contact.id
+    bob_chat = bob.get_chat_by_id(bob_msg.chat_id)
+    bob_chat_snapshot = bob_chat.get_basic_snapshot()
+    assert bob_chat_snapshot.name == "My great channel"
+    assert not bob_chat_snapshot.is_unpromoted
+    assert bob_chat_snapshot.is_encrypted
+    assert bob_chat_snapshot.chat_type == ChatType.IN_BROADCAST
+    assert bob_chat_snapshot.is_contact_request

-    member_added_msg = bob.wait_for_incoming_msg()
-    assert member_added_msg.get_snapshot().text == "You joined the channel."
-
-    def get_broadcast(ac):
-        chat = ac.get_chatlist(query="Broadcast channel for everyone!")[0]
-        assert chat.get_basic_snapshot().name == "Broadcast channel for everyone!"
-        return chat
-
-    def check_account(ac, contact, inviter_side, please_wait_info_msg=False):
-        chat = get_broadcast(ac)
-        contact_snapshot = contact.get_snapshot()
-        chat_msgs = chat.get_messages()
-
-        if please_wait_info_msg:
-            first_msg = chat_msgs.pop(0).get_snapshot()
-            assert first_msg.text == "Establishing guaranteed end-to-end encryption, please wait…"
-            assert first_msg.is_info
-
-        encrypted_msg = chat_msgs.pop(0).get_snapshot()
-        assert encrypted_msg.text == "Messages are end-to-end encrypted."
-        assert encrypted_msg.is_info
-
-        member_added_msg = chat_msgs.pop(0).get_snapshot()
-        if inviter_side:
-            assert member_added_msg.text == f"Member {contact_snapshot.display_name} added."
-        else:
-            assert member_added_msg.text == "You joined the channel."
-        assert member_added_msg.is_info
-
-        if not inviter_side:
-            leave_msg = chat_msgs.pop(0).get_snapshot()
-            assert leave_msg.text == "You left the channel."
-
-        assert len(chat_msgs) == 0
-
-        chat_snapshot = chat.get_full_snapshot()
-
-        # On Alice's side, SELF is not in the list of contact ids
-        # because OutBroadcast chats never contain SELF in the list.
-        # On Bob's side, SELF is not in the list because he left.
-        if inviter_side:
-            assert len(chat_snapshot.contact_ids) == 0
-        else:
-            assert chat_snapshot.contact_ids == [contact.id]
-
-    logging.info("===================== Bob leaves the broadcast =====================")
-    bob_chat = get_broadcast(bob)
-    assert bob_chat.get_full_snapshot().self_in_group
-    assert len(bob_chat.get_contacts()) == 2  # Alice and Bob
-
-    bob_chat.leave()
-    assert not bob_chat.get_full_snapshot().self_in_group
-    # After Bob left, only Alice will be left in Bob's memberlist
-    assert len(bob_chat.get_contacts()) == 1
-
-    check_account(bob, bob.create_contact(alice), inviter_side=False, please_wait_info_msg=True)
-
-    logging.info("===================== Test Alice's device =====================")
-    while len(alice_chat.get_contacts()) != 0:  # After Bob left, there will be 0 recipients
-        alice.wait_for_event(EventType.CHAT_MODIFIED)
-
-    check_account(alice, alice.create_contact(bob), inviter_side=True)
-
-    logging.info("===================== Test Bob's second device =====================")
-    # Start second Bob device, if it wasn't started already.
-    bob2.start_io()
-
-    member_added_msg = bob2.wait_for_incoming_msg()
-    assert member_added_msg.get_snapshot().text == "You joined the channel."
-
-    bob2_chat = get_broadcast(bob2)
-
-    # After Bob left, only Alice will be left in Bob's memberlist
-    while len(bob2_chat.get_contacts()) != 1:
-        bob2.wait_for_event(EventType.CHAT_MODIFIED)
-
-    check_account(bob2, bob2.create_contact(alice), inviter_side=False)
+    assert not bob_chat.can_send()
--- a/deltachat-rpc-client/tests/test_vcard.py
+++ b/deltachat-rpc-client/tests/test_vcard.py
@@ -1,12 +1,8 @@
 def test_vcard(acfactory) -> None:
-    alice, bob, fiona = acfactory.get_online_accounts(3)
+    alice, bob = acfactory.get_online_accounts(2)

-    bob.create_chat(alice)
    alice_contact_bob = alice.create_contact(bob, "Bob")
    alice_contact_charlie = alice.create_contact("charlie@example.org", "Charlie")
-    alice_contact_charlie_snapshot = alice_contact_charlie.get_snapshot()
-    alice_contact_fiona = alice.create_contact(fiona, "Fiona")
-    alice_contact_fiona_snapshot = alice_contact_fiona.get_snapshot()

    alice_chat_bob = alice_contact_bob.create_chat()
    alice_chat_bob.send_contact(alice_contact_charlie)
@@ -16,12 +12,3 @@ def test_vcard(acfactory) -> None:
    snapshot = message.get_snapshot()
    assert snapshot.vcard_contact
    assert snapshot.vcard_contact.addr == "charlie@example.org"
-    assert snapshot.vcard_contact.color == alice_contact_charlie_snapshot.color
-
-    alice_chat_bob.send_contact(alice_contact_fiona)
-    event = bob.wait_for_incoming_msg_event()
-    message = bob.get_message_by_id(event.msg_id)
-    snapshot = message.get_snapshot()
-    assert snapshot.vcard_contact
-    assert snapshot.vcard_contact.key
-    assert snapshot.vcard_contact.color == alice_contact_fiona_snapshot.color
--- a/deltachat-rpc-server/Cargo.toml
+++ b/deltachat-rpc-server/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat-rpc-server"
-version = "2.24.0"
+version = "2.6.0"
 description = "DeltaChat JSON-RPC server"
 edition = "2021"
 readme = "README.md"
--- a/deltachat-rpc-server/npm-package/package.json
+++ b/deltachat-rpc-server/npm-package/package.json
@@ -15,5 +15,5 @@
  },
  "type": "module",
  "types": "index.d.ts",
-  "version": "2.24.0"
+  "version": "2.6.0"
 }
--- a/deltachat-rpc-server/src/main.rs
+++ b/deltachat-rpc-server/src/main.rs
@@ -41,22 +41,22 @@ async fn main_impl() -> Result<()> {
    if let Some(first_arg) = args.next() {
        if first_arg.to_str() == Some("--version") {
            if let Some(arg) = args.next() {
-                return Err(anyhow!("Unrecognized argument {arg:?}"));
+                return Err(anyhow!("Unrecognized argument {:?}", arg));
            }
            eprintln!("{}", &*DC_VERSION_STR);
            return Ok(());
        } else if first_arg.to_str() == Some("--openrpc") {
            if let Some(arg) = args.next() {
-                return Err(anyhow!("Unrecognized argument {arg:?}"));
+                return Err(anyhow!("Unrecognized argument {:?}", arg));
            }
            println!("{}", CommandApi::openrpc_specification()?);
            return Ok(());
        } else {
-            return Err(anyhow!("Unrecognized option {first_arg:?}"));
+            return Err(anyhow!("Unrecognized option {:?}", first_arg));
        }
    }
    if let Some(arg) = args.next() {
-        return Err(anyhow!("Unrecognized argument {arg:?}"));
+        return Err(anyhow!("Unrecognized argument {:?}", arg));
    }

    // Install signal handlers early so that the shutdown is graceful starting from here.
--- a/deltachat-time/src/lib.rs
+++ b/deltachat-time/src/lib.rs
@@ -20,11 +20,6 @@ impl SystemTimeTools {
    pub fn shift(duration: Duration) {
        *SYSTEM_TIME_SHIFT.write().unwrap() += duration;
    }
-
-    /// Simulates the system clock being rewound by `duration`.
-    pub fn shift_back(duration: Duration) {
-        *SYSTEM_TIME_SHIFT.write().unwrap() -= duration;
-    }
 }

 #[cfg(test)]
--- a/deny.toml
+++ b/deny.toml
@@ -36,6 +36,10 @@ skip = [
     { name = "rand_chacha", version = "0.3.1" },
     { name = "rand_core", version = "0.6.4" },
     { name = "rand", version = "0.8.5" },
+     { name = "redox_syscall", version = "0.3.5" },
+     { name = "redox_syscall", version = "0.4.1" },
+     { name = "regex-automata", version = "0.1.10" },
+     { name = "regex-syntax", version = "0.6.29" },
     { name = "rustix", version = "0.38.44" },
     { name = "serdect", version = "0.2.0" },
     { name = "spin", version = "0.9.8" },
@@ -44,7 +48,6 @@ skip = [
     { name = "syn", version = "1.0.109" },
     { name = "thiserror-impl", version = "1.0.69" },
     { name = "thiserror", version = "1.0.69" },
-     { name = "toml_datetime", version = "0.6.11" },
     { name = "wasi", version = "0.11.0+wasi-snapshot-preview1" },
     { name = "windows" },
     { name = "windows_aarch64_gnullvm" },
--- a/flake.nix
+++ b/flake.nix
@@ -98,6 +98,9 @@
            nativeBuildInputs = [
              pkgs.perl # Needed to build vendored OpenSSL.
            ];
+            buildInputs = pkgs.lib.optionals isDarwin [
+              pkgs.darwin.apple_sdk.frameworks.SystemConfiguration
+            ];
            auditable = false; # Avoid cargo-auditable failures.
            doCheck = false; # Disable test as it requires network access.
          };
@@ -237,9 +240,6 @@
            auditable = false; # Avoid cargo-auditable failures.
            doCheck = false; # Disable test as it requires network access.

-            CARGO_TARGET_X86_64_APPLE_DARWIN_RUSTFLAGS = "-Clink-args=-L${pkgsCross.libiconv}/lib";
-            CARGO_TARGET_AARCH64_APPLE_DARWIN_RUSTFLAGS = "-Clink-args=-L${pkgsCross.libiconv}/lib";
-
            CARGO_BUILD_TARGET = rustTarget;
            TARGET_CC = "${pkgsCross.stdenv.cc}/bin/${pkgsCross.stdenv.cc.targetPrefix}cc";
            CARGO_BUILD_RUSTFLAGS = [
@@ -483,6 +483,12 @@
                  pkgs.rustPlatform.cargoSetupHook
                  pkgs.cargo
                ];
+                buildInputs = pkgs.lib.optionals isDarwin [
+                  pkgs.darwin.apple_sdk.frameworks.CoreFoundation
+                  pkgs.darwin.apple_sdk.frameworks.Security
+                  pkgs.darwin.apple_sdk.frameworks.SystemConfiguration
+                  pkgs.libiconv
+                ];

                postInstall = ''
                  substituteInPlace $out/include/deltachat.h \
@@ -581,7 +587,6 @@
              (python3.withPackages (pypkgs: with pypkgs; [
                tox
              ]))
-              nodejs
            ];
          };
      }
--- a/fuzz/Cargo.toml
+++ b/fuzz/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2021"
 license = "MPL-2.0"

 [dev-dependencies]
-bolero = "0.13.4"
+bolero = "0.13.3"

 [dependencies]
 mailparse = { workspace = true }
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"

 [project]
 name = "deltachat"
-version = "2.24.0"
+version = "2.6.0"
 description = "Python bindings for the Delta Chat Core library using CFFI against the Rust-implemented libdeltachat"
 readme = "README.rst"
 requires-python = ">=3.8"
--- a/python/src/deltachat/account.py
+++ b/python/src/deltachat/account.py
@@ -330,21 +330,7 @@ class Account:
        return bool(lib.dc_delete_contact(self._dc_context, contact_id))

    def get_contact_by_addr(self, email: str) -> Optional[Contact]:
-        """Looks up a known and unblocked contact with a given e-mail address.
-        To get a list of all known and unblocked contacts, use contacts_get_contacts().
-
-        **POTENTIAL SECURITY ISSUE**: If there are multiple contacts with this address
-        (e.g. an address-contact and a key-contact),
-        this looks up the most recently seen contact,
-        i.e. which contact is returned depends on which contact last sent a message.
-        If the user just clicked on a mailto: link, then this is the best thing you can do.
-        But **DO NOT** internally represent contacts by their email address
-        and do not use this function to look them up;
-        otherwise this function will sometimes look up the wrong contact.
-        Instead, you should internally represent contacts by their ids.
-
-        To validate an e-mail address independently of the contact database
-        use check_email_validity()."""
+        """get a contact for the email address or None if it's blocked or doesn't exist."""
        _, addr = parseaddr(email)
        addr = as_dc_charpointer(addr)
        contact_id = lib.dc_lookup_contact_id_by_addr(self._dc_context, addr)
@@ -404,16 +390,18 @@ class Account:
        self,
        name: str,
        contacts: Optional[List[Contact]] = None,
+        verified: bool = False,
    ) -> Chat:
        """create a new group chat object.

        Chats are unpromoted until the first message is sent.

        :param contacts: list of contacts to add
+        :param verified: if true only verified contacts can be added.
        :returns: a :class:`deltachat.chat.Chat` object.
        """
        bytes_name = name.encode("utf8")
-        chat_id = lib.dc_create_group_chat(self._dc_context, 0, bytes_name)
+        chat_id = lib.dc_create_group_chat(self._dc_context, int(verified), bytes_name)
        chat = Chat(self, chat_id)
        if contacts is not None:
            for contact in contacts:
--- a/python/src/deltachat/chat.py
+++ b/python/src/deltachat/chat.py
@@ -142,6 +142,13 @@ class Chat:
        """
        return bool(lib.dc_chat_can_send(self._dc_chat))

+    def is_protected(self) -> bool:
+        """return True if this chat is a protected chat.
+
+        :returns: True if chat is protected, False otherwise.
+        """
+        return bool(lib.dc_chat_is_protected(self._dc_chat))
+
    def get_name(self) -> Optional[str]:
        """return name of this chat.

--- a/python/src/deltachat/message.py
+++ b/python/src/deltachat/message.py
@@ -8,6 +8,7 @@ from typing import Optional, Union
 from . import const, props
 from .capi import ffi, lib
 from .cutil import as_dc_charpointer, from_dc_charpointer, from_optional_dc_charpointer
+from .reactions import Reactions


 class Message:
@@ -163,6 +164,17 @@ class Message:
            ),
        )

+    def send_reaction(self, reaction: str):
+        """Send a reaction to message and return the resulting Message instance."""
+        msg_id = lib.dc_send_reaction(self.account._dc_context, self.id, as_dc_charpointer(reaction))
+        if msg_id == 0:
+            raise ValueError("reaction could not be send")
+        return Message.from_db(self.account, msg_id)
+
+    def get_reactions(self) -> Reactions:
+        """Get :class:`deltachat.reactions.Reactions` to the message."""
+        return Reactions.from_msg(self)
+
    def is_system_message(self):
        """return True if this message is a system/info message."""
        return bool(lib.dc_msg_is_info(self._dc_msg))
@@ -435,6 +447,10 @@ class Message:
        """return True if it's a video message."""
        return self._view_type == const.DC_MSG_VIDEO

+    def is_videochat_invitation(self):
+        """return True if it's a videochat invitation message."""
+        return self._view_type == const.DC_MSG_VIDEOCHAT_INVITATION
+
    def is_webxdc(self):
        """return True if it's a Webxdc message."""
        return self._view_type == const.DC_MSG_WEBXDC
@@ -475,6 +491,7 @@ _view_type_mapping = {
    "video": const.DC_MSG_VIDEO,
    "file": const.DC_MSG_FILE,
    "sticker": const.DC_MSG_STICKER,
+    "videochat": const.DC_MSG_VIDEOCHAT_INVITATION,
    "webxdc": const.DC_MSG_WEBXDC,
 }

--- a/python/src/deltachat/reactions.py
+++ b/python/src/deltachat/reactions.py
@@ -0,0 +1,43 @@
+"""The Reactions object."""
+
+from .capi import ffi, lib
+from .cutil import from_dc_charpointer, iter_array
+
+
+class Reactions:
+    """Reactions object.
+
+    You obtain instances of it through :class:`deltachat.message.Message`.
+    """
+
+    def __init__(self, account, dc_reactions) -> None:
+        assert isinstance(account._dc_context, ffi.CData)
+        assert isinstance(dc_reactions, ffi.CData)
+        assert dc_reactions != ffi.NULL
+        self.account = account
+        self._dc_reactions = dc_reactions
+
+    def __repr__(self) -> str:
+        return f"<Reactions dc_reactions={self._dc_reactions}>"
+
+    @classmethod
+    def from_msg(cls, msg):
+        assert msg.id > 0
+        return cls(
+            msg.account,
+            ffi.gc(lib.dc_get_msg_reactions(msg.account._dc_context, msg.id), lib.dc_reactions_unref),
+        )
+
+    def get_contacts(self) -> list:
+        """Get list of contacts reacted to the message.
+
+        :returns: list of :class:`deltachat.contact.Contact` objects for this reaction.
+        """
+        from .contact import Contact
+
+        dc_array = ffi.gc(lib.dc_reactions_get_contacts(self._dc_reactions), lib.dc_array_unref)
+        return list(iter_array(dc_array, lambda x: Contact(self.account, x)))
+
+    def get_by_contact(self, contact) -> str:
+        """Get a string containing space-separated reactions of a single :class:`deltachat.contact.Contact`."""
+        return from_dc_charpointer(lib.dc_reactions_get_by_contact_id(self._dc_reactions, contact.id))
--- a/python/src/deltachat/testplugin.py
+++ b/python/src/deltachat/testplugin.py
@@ -523,6 +523,7 @@ class ACFactory:
        assert "addr" in configdict and "mail_pw" in configdict, configdict
        configdict.setdefault("bcc_self", False)
        configdict.setdefault("mvbox_move", False)
+        configdict.setdefault("sentbox_watch", False)
        configdict.setdefault("sync_msgs", False)
        configdict.setdefault("delete_server_after", 0)
        ac.update_config(configdict)
@@ -603,6 +604,20 @@ class ACFactory:
        ac2.create_chat(ac1)
        return ac1.create_chat(ac2)

+    def get_protected_chat(self, ac1: Account, ac2: Account):
+        chat = ac1.create_group_chat("Protected Group", verified=True)
+        qr = chat.get_join_qr()
+        ac2.qr_join_chat(qr)
+        ac2._evtracker.wait_securejoin_joiner_progress(1000)
+        ev = ac2._evtracker.get_matching("DC_EVENT_MSGS_CHANGED")
+        msg = ac2.get_message_by_id(ev.data2)
+        assert msg is not None
+        assert msg.text == "Messages are end-to-end encrypted."
+        msg = ac2._evtracker.wait_next_incoming_message()
+        assert msg is not None
+        assert "Member Me " in msg.text and " added by " in msg.text
+        return chat
+
    def introduce_each_other(self, accounts, sending=True):
        to_wait = []
        for i, acc in enumerate(accounts):
--- a/python/tests/test_0_complex_or_slow.py
+++ b/python/tests/test_0_complex_or_slow.py
@@ -116,8 +116,10 @@ class TestGroupStressTests:

 def test_qr_verified_group_and_chatting(acfactory, lp):
    ac1, ac2, ac3 = acfactory.get_online_accounts(3)
+    ac1_addr = ac1.get_self_contact().addr
    lp.sec("ac1: create verified-group QR, ac2 scans and joins")
-    chat1 = ac1.create_group_chat("hello")
+    chat1 = ac1.create_group_chat("hello", verified=True)
+    assert chat1.is_protected()
    qr = chat1.get_join_qr()
    lp.sec("ac2: start QR-code based join-group protocol")
    chat2 = ac2.qr_join_chat(qr)
@@ -140,6 +142,7 @@ def test_qr_verified_group_and_chatting(acfactory, lp):
    lp.sec("ac2: read message and check that it's a verified chat")
    msg = ac2._evtracker.wait_next_incoming_message()
    assert msg.text == "hello"
+    assert msg.chat.is_protected()
    assert msg.is_encrypted()

    lp.sec("ac2: Check that ac2 verified ac1")
@@ -170,12 +173,8 @@ def test_qr_verified_group_and_chatting(acfactory, lp):
    lp.sec("ac2: Check that ac1 verified ac3 for ac2")
    ac2_ac1_contact = ac2.get_contacts()[0]
    assert ac2.get_self_contact().get_verifier(ac2_ac1_contact).id == dc.const.DC_CONTACT_ID_SELF
-    for ac2_contact in chat2.get_contacts():
-        if ac2_contact == ac2_ac1_contact or ac2_contact.id == dc.const.DC_CONTACT_ID_SELF:
-            continue
-        # Until we reset verifications and then send the _verified header,
-        # verification is not gossiped here:
-        assert ac2.get_self_contact().get_verifier(ac2_contact) is None
+    ac2_ac3_contact = ac2.get_contacts()[1]
+    assert ac2.get_self_contact().get_verifier(ac2_ac3_contact).addr == ac1_addr

    lp.sec("ac2: send message and let ac3 read it")
    chat2.send_text("hi")
@@ -267,7 +266,8 @@ def test_see_new_verified_member_after_going_online(acfactory, tmp_path, lp):
    ac1_offl.stop_io()

    lp.sec("ac1: create verified-group QR, ac2 scans and joins")
-    chat = ac1.create_group_chat("hello")
+    chat = ac1.create_group_chat("hello", verified=True)
+    assert chat.is_protected()
    qr = chat.get_join_qr()
    lp.sec("ac2: start QR-code based join-group protocol")
    chat2 = ac2.qr_join_chat(qr)
@@ -321,7 +321,8 @@ def test_use_new_verified_group_after_going_online(acfactory, data, tmp_path, lp
    ac1.set_avatar(avatar_path)

    lp.sec("ac1: create verified-group QR, ac2 scans and joins")
-    chat = ac1.create_group_chat("hello")
+    chat = ac1.create_group_chat("hello", verified=True)
+    assert chat.is_protected()
    qr = chat.get_join_qr()
    lp.sec("ac2: start QR-code based join-group protocol")
    ac2.qr_join_chat(qr)
@@ -335,6 +336,7 @@ def test_use_new_verified_group_after_going_online(acfactory, data, tmp_path, lp
    assert msg_in.is_system_message()
    assert contact.addr == ac1.get_config("addr")
    chat2 = msg_in.chat
+    assert chat2.is_protected()
    assert chat2.get_messages()[0].text == "Messages are end-to-end encrypted."
    assert open(contact.get_profile_image(), "rb").read() == open(avatar_path, "rb").read()

@@ -374,7 +376,8 @@ def test_verified_group_vs_delete_server_after(acfactory, tmp_path, lp):
    ac2_offl.stop_io()

    lp.sec("ac1: create verified-group QR, ac2 scans and joins")
-    chat1 = ac1.create_group_chat("hello")
+    chat1 = ac1.create_group_chat("hello", verified=True)
+    assert chat1.is_protected()
    qr = chat1.get_join_qr()
    lp.sec("ac2: start QR-code based join-group protocol")
    chat2 = ac2.qr_join_chat(qr)
@@ -399,20 +402,29 @@ def test_verified_group_vs_delete_server_after(acfactory, tmp_path, lp):
    assert ac2_offl_ac1_contact.addr == ac1.get_config("addr")
    assert not ac2_offl_ac1_contact.is_verified()
    chat2_offl = msg_in.chat
+    assert not chat2_offl.is_protected()

    lp.sec("ac2: sending message re-gossiping Autocrypt keys")
    chat2.send_text("hi2")

    lp.sec("ac2_offl: receiving message")
+    ev = ac2_offl._evtracker.get_matching("DC_EVENT_INCOMING_MSG|DC_EVENT_MSGS_CHANGED")
+    msg_in = ac2_offl.get_message_by_id(ev.data2)
+    assert msg_in.is_system_message()
+    assert msg_in.text == "Messages are end-to-end encrypted."
+
+    # We need to consume one event that has data2=0
+    ev = ac2_offl._evtracker.get_matching("DC_EVENT_INCOMING_MSG|DC_EVENT_MSGS_CHANGED")
+    assert ev.data2 == 0
+
    ev = ac2_offl._evtracker.get_matching("DC_EVENT_INCOMING_MSG|DC_EVENT_MSGS_CHANGED")
    msg_in = ac2_offl.get_message_by_id(ev.data2)
    assert not msg_in.is_system_message()
    assert msg_in.text == "hi2"
    assert msg_in.chat == chat2_offl
    assert msg_in.get_sender_contact().addr == ac2.get_config("addr")
-    # Until we reset verifications and then send the _verified header,
-    # verification is not gossiped here:
-    assert not ac2_offl_ac1_contact.is_verified()
+    assert msg_in.chat.is_protected()
+    assert ac2_offl_ac1_contact.is_verified()


 def test_deleted_msgs_dont_reappear(acfactory):
--- a/python/tests/test_1_online.py
+++ b/python/tests/test_1_online.py
@@ -160,6 +160,32 @@ def test_html_message(acfactory, lp):
    assert html_text in msg2.html


+def test_videochat_invitation_message(acfactory, lp):
+    ac1, ac2 = acfactory.get_online_accounts(2)
+    chat = acfactory.get_accepted_chat(ac1, ac2)
+    text = "You are invited to a video chat, click https://meet.jit.si/WxEGad0gGzX to join."
+
+    lp.sec("ac1: prepare and send text message to ac2")
+    msg1 = chat.send_text("message0")
+    assert not msg1.is_videochat_invitation()
+
+    lp.sec("wait for ac2 to receive message")
+    msg2 = ac2._evtracker.wait_next_incoming_message()
+    assert msg2.text == "message0"
+    assert not msg2.is_videochat_invitation()
+
+    lp.sec("ac1: prepare and send videochat invitation to ac2")
+    msg1 = Message.new_empty(ac1, "videochat")
+    msg1.set_text(text)
+    msg1 = chat.send_msg(msg1)
+    assert msg1.is_videochat_invitation()
+
+    lp.sec("wait for ac2 to receive message")
+    msg2 = ac2._evtracker.wait_next_incoming_message()
+    assert msg2.text == text
+    assert msg2.is_videochat_invitation()
+
+
 def test_webxdc_message(acfactory, data, lp):
    ac1, ac2 = acfactory.get_online_accounts(2)
    chat = acfactory.get_accepted_chat(ac1, ac2)
@@ -269,28 +295,26 @@ def test_enable_mvbox_move(acfactory, lp):
    assert ac2._evtracker.wait_next_incoming_message().text == "message1"


-def test_mvbox_thread_and_trash(acfactory, lp):
+def test_mvbox_sentbox_threads(acfactory, lp):
    lp.sec("ac1: start with mvbox thread")
-    ac1 = acfactory.new_online_configuring_account(mvbox_move=True)
+    ac1 = acfactory.new_online_configuring_account(mvbox_move=True, sentbox_watch=False)

-    lp.sec("ac2: start without a mvbox thread")
-    ac2 = acfactory.new_online_configuring_account(mvbox_move=False)
+    lp.sec("ac2: start without mvbox/sentbox threads")
+    ac2 = acfactory.new_online_configuring_account(mvbox_move=False, sentbox_watch=False)

    lp.sec("ac2 and ac1: waiting for configuration")
    acfactory.bring_accounts_online()

-    lp.sec("ac1: create trash")
-    ac1.direct_imap.create_folder("Trash")
-    ac1.set_config("scan_all_folders_debounce_secs", "0")
-    ac1.stop_io()
-    ac1.start_io()
+    lp.sec("ac1: create and configure sentbox")
+    ac1.direct_imap.create_folder("Sent")
+    ac1.set_config("sentbox_watch", "1")

    lp.sec("ac1: send message and wait for ac2 to receive it")
    acfactory.get_accepted_chat(ac1, ac2).send_text("message1")
    assert ac2._evtracker.wait_next_incoming_message().text == "message1"

    assert ac1.get_config("configured_mvbox_folder") == "DeltaChat"
-    while ac1.get_config("configured_trash_folder") != "Trash":
+    while ac1.get_config("configured_sentbox_folder") != "Sent":
        ac1._evtracker.get_matching("DC_EVENT_CONNECTIVITY_CHANGED")


@@ -310,7 +334,7 @@ def test_move_works(acfactory):


 def test_move_avoids_loop(acfactory):
-    """Test that the message is only moved from INBOX to DeltaChat.
+    """Test that the message is only moved once.

    This is to avoid busy loop if moved message reappears in the Inbox
    or some scanned folder later.
@@ -321,14 +345,6 @@ def test_move_avoids_loop(acfactory):
    ac1 = acfactory.new_online_configuring_account()
    ac2 = acfactory.new_online_configuring_account(mvbox_move=True)
    acfactory.bring_accounts_online()
-
-    # Create INBOX.DeltaChat folder and make sure
-    # it is detected by full folder scan.
-    ac2.direct_imap.create_folder("INBOX.DeltaChat")
-    ac2.stop_io()
-    ac2.start_io()
-    ac2._evtracker.get_info_contains("Found folders:")  #  Wait until the end of folder scan.
-
    ac1_chat = acfactory.get_accepted_chat(ac1, ac2)
    ac1_chat.send_text("Message 1")

@@ -336,27 +352,19 @@ def test_move_avoids_loop(acfactory):
    ac2_msg1 = ac2._evtracker.wait_next_incoming_message()
    assert ac2_msg1.text == "Message 1"

-    # Move the message to the INBOX.DeltaChat again.
-    # We assume that test server uses "." as the delimiter.
+    # Move the message to the INBOX again.
    ac2.direct_imap.select_folder("DeltaChat")
-    ac2.direct_imap.conn.move(["*"], "INBOX.DeltaChat")
+    ac2.direct_imap.conn.move(["*"], "INBOX")

    ac1_chat.send_text("Message 2")
    ac2_msg2 = ac2._evtracker.wait_next_incoming_message()
    assert ac2_msg2.text == "Message 2"

-    # Stop and start I/O to trigger folder scan.
-    ac2.stop_io()
-    ac2.start_io()
-    ac2._evtracker.get_info_contains("Found folders:")  #  Wait until the end of folder scan.
-
-    # Check that Message 1 is still in the INBOX.DeltaChat folder
+    # Check that Message 1 is still in the INBOX folder
    # and Message 2 is in the DeltaChat folder.
    ac2.direct_imap.select_folder("INBOX")
-    assert len(ac2.direct_imap.get_all_messages()) == 0
-    ac2.direct_imap.select_folder("DeltaChat")
    assert len(ac2.direct_imap.get_all_messages()) == 1
-    ac2.direct_imap.select_folder("INBOX.DeltaChat")
+    ac2.direct_imap.select_folder("DeltaChat")
    assert len(ac2.direct_imap.get_all_messages()) == 1


@@ -424,7 +432,7 @@ def test_forward_messages(acfactory, lp):
    lp.sec("ac2: check new chat has a forwarded message")
    assert chat3.is_promoted()
    messages = chat3.get_messages()
-    assert len(messages) == 3
+    assert len(messages) == 2
    msg = messages[-1]
    assert msg.is_forwarded()
    ac2.delete_messages(messages)
@@ -460,7 +468,7 @@ def test_forward_own_message(acfactory, lp):

 def test_resend_message(acfactory, lp):
    ac1, ac2 = acfactory.get_online_accounts(2)
-    chat1 = acfactory.get_accepted_chat(ac1, ac2)
+    chat1 = ac1.create_chat(ac2)

    lp.sec("ac1: send message to ac2")
    chat1.send_text("message")
@@ -468,19 +476,14 @@ def test_resend_message(acfactory, lp):
    lp.sec("ac2: receive message")
    msg_in = ac2._evtracker.wait_next_incoming_message()
    assert msg_in.text == "message"
+    chat2 = msg_in.chat
+    chat2_msg_cnt = len(chat2.get_messages())

    lp.sec("ac1: resend message")
    ac1.resend_messages([msg_in])

-    lp.sec("ac1: send another message")
-    chat1.send_text("another message")
-
-    lp.sec("ac2: receive another message")
-    msg_in = ac2._evtracker.wait_next_incoming_message()
-    assert msg_in.text == "another message"
-    chat2 = msg_in.chat
-    chat2_msg_cnt = len(chat2.get_messages())
-
+    lp.sec("ac2: check that message is deleted")
+    ac2._evtracker.get_matching("DC_EVENT_IMAP_MESSAGE_DELETED")
    assert len(chat2.get_messages()) == chat2_msg_cnt


@@ -855,9 +858,9 @@ def test_no_draft_if_cant_send(acfactory):

 def test_dont_show_emails(acfactory, lp):
    """Most mailboxes have a "Drafts" folder where constantly new emails appear but we don't actually want to show them.
-    So: If it's outgoing AND there is no Received header, then ignore the email.
+    So: If it's outgoing AND there is no Received header AND it's not in the sentbox, then ignore the email.

-    If the draft email is sent out and received later (i.e. it's in "Inbox"), it must be shown.
+    If the draft email is sent out later (i.e. moved to "Sent"), it must be shown.

    Also, test that unknown emails in the Spam folder are not shown."""
    ac1 = acfactory.new_online_configuring_account()
@@ -866,6 +869,7 @@ def test_dont_show_emails(acfactory, lp):

    acfactory.wait_configured(ac1)
    ac1.direct_imap.create_folder("Drafts")
+    ac1.direct_imap.create_folder("Sent")
    ac1.direct_imap.create_folder("Spam")
    ac1.direct_imap.create_folder("Junk")

@@ -881,7 +885,21 @@ def test_dont_show_emails(acfactory, lp):
        Message-ID: <aepiors@example.org>
        Content-Type: text/plain; charset=utf-8

-        message in Drafts received later
+        message in Drafts that is moved to Sent later
+    """.format(
+            ac1.get_config("configured_addr"),
+        ),
+    )
+    ac1.direct_imap.append(
+        "Sent",
+        """
+        From: ac1 <{}>
+        Subject: subj
+        To: alice@example.org
+        Message-ID: <hsabaeni@example.org>
+        Content-Type: text/plain; charset=utf-8
+
+        message in Sent
    """.format(
            ac1.get_config("configured_addr"),
        ),
@@ -961,13 +979,14 @@ def test_dont_show_emails(acfactory, lp):
    lp.sec("All prepared, now let DC find the message")
    ac1.start_io()

+    msg = ac1._evtracker.wait_next_messages_changed()
+
    # Wait until each folder was scanned, this is necessary for this test to test what it should test:
    ac1._evtracker.wait_idle_inbox_ready()

-    fresh_msgs = list(ac1.get_fresh_messages())
-    msg = fresh_msgs[0]
+    assert msg.text == "subj – message in Sent"
    chat_msgs = msg.chat.get_messages()
-    assert len(chat_msgs) == 1
+    assert len(chat_msgs) == 2
    assert any(msg.text == "subj – Actually interesting message in Spam" for msg in chat_msgs)

    assert not any("unknown.address" in c.get_name() for c in ac1.get_chats())
@@ -975,16 +994,16 @@ def test_dont_show_emails(acfactory, lp):
    assert ac1.direct_imap.get_uid_by_message_id("spam.message@junk.org")

    ac1.stop_io()
-    lp.sec("'Send out' the draft by moving it to Inbox, and wait for DC to display it this time")
+    lp.sec("'Send out' the draft, i.e. move it to the Sent folder, and wait for DC to display it this time")
    ac1.direct_imap.select_folder("Drafts")
    uid = ac1.direct_imap.get_uid_by_message_id("aepiors@example.org")
-    ac1.direct_imap.conn.move(uid, "Inbox")
+    ac1.direct_imap.conn.move(uid, "Sent")

    ac1.start_io()
    msg2 = ac1._evtracker.wait_next_messages_changed()

-    assert msg2.text == "subj – message in Drafts received later"
-    assert len(msg.chat.get_messages()) == 2
+    assert msg2.text == "subj – message in Drafts that is moved to Sent later"
+    assert len(msg.chat.get_messages()) == 3


 def test_bot(acfactory, lp):
@@ -1211,7 +1230,7 @@ def test_import_export_online_all(acfactory, tmp_path, data, lp):

 def test_qr_email_capitalization(acfactory, lp):
    """Regression test for a bug
-    that resulted in failure to propagate verification
+    that resulted in failure to propagate verification via gossip in a verified group
    when the database already contained the contact with a different email address capitalization.
    """

@@ -1222,27 +1241,24 @@ def test_qr_email_capitalization(acfactory, lp):
    lp.sec(f"ac1 creates a contact for ac2 ({ac2_addr_uppercase})")
    ac1.create_contact(ac2_addr_uppercase)

-    lp.sec("ac3 creates a group with a QR code")
-    chat = ac3.create_group_chat("hello")
+    lp.sec("ac3 creates a verified group with a QR code")
+    chat = ac3.create_group_chat("hello", verified=True)
    qr = chat.get_join_qr()

-    lp.sec("ac1 joins a group via a QR code")
+    lp.sec("ac1 joins a verified group via a QR code")
    ac1_chat = ac1.qr_join_chat(qr)
    msg = ac1._evtracker.wait_next_incoming_message()
    assert msg.text == "Member Me added by {}.".format(ac3.get_config("addr"))
    assert len(ac1_chat.get_contacts()) == 2

-    lp.sec("ac2 joins a group via a QR code")
+    lp.sec("ac2 joins a verified group via a QR code")
    ac2.qr_join_chat(qr)
    ac1._evtracker.wait_next_incoming_message()

    # ac1 should see both ac3 and ac2 as verified.
    assert len(ac1_chat.get_contacts()) == 3
-    # Until we reset verifications and then send the _verified header,
-    # the verification of ac2 is not gossiped here:
    for contact in ac1_chat.get_contacts():
-        is_ac2 = contact.addr == ac2.get_config("addr")
-        assert contact.is_verified() != is_ac2
+        assert contact.is_verified()


 def test_set_get_contact_avatar(acfactory, data, lp):
@@ -1765,12 +1781,12 @@ def test_group_quote(acfactory, lp):
            "xyz",
            False,
            "xyz",
-        ),  # Test that emails aren't found in a random folder
+        ),  # Test that emails are recognized in a random folder but not moved
        (
            "xyz",
            True,
-            "xyz",
-        ),  # ...emails are found in a random folder and downloaded without moving
+            "DeltaChat",
+        ),  # ...emails are found in a random folder and moved to DeltaChat
        (
            "Spam",
            False,
@@ -1795,7 +1811,7 @@ def test_scan_folders(acfactory, lp, folder, move, expected_destination):
    ac1.stop_io()
    assert folder in ac1.direct_imap.list_folders()

-    lp.sec("Send a message to from ac2 to ac1 and manually move it to `folder`")
+    lp.sec("Send a message to from ac2 to ac1 and manually move it to the mvbox")
    ac1.direct_imap.select_config_folder("inbox")
    with ac1.direct_imap.idle() as idle1:
        acfactory.get_accepted_chat(ac2, ac1).send_text("hello")
@@ -1805,17 +1821,10 @@ def test_scan_folders(acfactory, lp, folder, move, expected_destination):
    lp.sec("start_io() and see if DeltaChat finds the message (" + variant + ")")
    ac1.set_config("scan_all_folders_debounce_secs", "0")
    ac1.start_io()
-    chat = ac1.create_chat(ac2)
-    n_msgs = 1  # "Messages are end-to-end encrypted."
-    if folder == "Spam":
-        msg = ac1._evtracker.wait_next_incoming_message()
-        assert msg.text == "hello"
-        n_msgs += 1
-    else:
-        ac1._evtracker.wait_idle_inbox_ready()
-    assert len(chat.get_messages()) == n_msgs
+    msg = ac1._evtracker.wait_next_incoming_message()
+    assert msg.text == "hello"

-    # The message has reached its destination.
+    # The message has been downloaded, which means it has reached its destination.
    ac1.direct_imap.select_folder(expected_destination)
    assert len(ac1.direct_imap.get_all_messages()) == 1
    if folder != expected_destination:
--- a/python/tests/test_3_offline.py
+++ b/python/tests/test_3_offline.py
@@ -271,9 +271,10 @@ class TestOfflineChat:
        chat.set_name("Homework")
        assert chat.get_messages()[-1].text == "abc homework xyz Homework"

-    def test_group_chat_qr(self, acfactory, ac1):
+    @pytest.mark.parametrize("verified", [True, False])
+    def test_group_chat_qr(self, acfactory, ac1, verified):
        ac2 = acfactory.get_pseudo_configured_account()
-        chat = ac1.create_group_chat(name="title1")
+        chat = ac1.create_group_chat(name="title1", verified=verified)
        assert chat.is_group()
        qr = chat.get_join_qr()
        assert ac2.check_qr(qr).is_ask_verifygroup
@@ -662,4 +663,4 @@ class TestOfflineChat:

        lp.sec("check message count of only system messages (without daymarkers)")
        sysmessages = [x for x in chat.get_messages() if x.is_system_message()]
-        assert len(sysmessages) == 4
+        assert len(sysmessages) == 3
--- a/python/tox.ini
+++ b/python/tox.ini
@@ -23,6 +23,7 @@ deps =
    pytest
    pytest-timeout
    pytest-xdist
+    pdbpp
    requests
 # urllib3 2.0 does not work in manylinux2014 containers.
 # https://github.com/deltachat/deltachat-core-rust/issues/4788
--- a/release-date.in
+++ b/release-date.in
@@ -1 +1 @@
-2025-11-03
+2025-07-23
--- a/scripts/coredeps/install-rust.sh
+++ b/scripts/coredeps/install-rust.sh
@@ -7,7 +7,7 @@ set -euo pipefail
 #
 # Avoid using rustup here as it depends on reading /proc/self/exe and
 # has problems running under QEMU.
-RUST_VERSION=1.91.0
+RUST_VERSION=1.88.0

 ARCH="$(uname -m)"
 test -f "/lib/libc.musl-$ARCH.so.1" && LIBC=musl || LIBC=gnu
--- a/scripts/update-provider-database.sh
+++ b/scripts/update-provider-database.sh
@@ -6,7 +6,7 @@ set -euo pipefail
 export TZ=UTC

 # Provider database revision.
-REV=d041136c19a48b493823b46d472f12b9ee94ae80
+REV=77cbf92a8565fdf1bcaba10fa93c1455c750a1e9

 CORE_ROOT="$PWD"
 TMP="$(mktemp -d)"
--- a/spec.md
+++ b/spec.md
@@ -1,6 +1,6 @@
 # Chatmail Specification

-Version: 0.37.0
+Version: 0.36.0
 Status:  In-progress 
 Format:  [Semantic Line Breaks](https://sembr.org/)

@@ -582,24 +582,6 @@ and e.g. simply search for the line starting with `EMAIL`
 in order to get the email address.


-# Verifications
-
-Keys obtained using [SecureJoin](https://securejoin.readthedocs.io) protocol
-and corresponding contacts
-are considered "verified".
-
-As an extension to `Autocrypt-Gossip` header,
-chatmail clients can add `_verified=1` attribute
-(underscore marks the attribute as non-critical)
-to indicate that they have the gossiped key
-and the corresponding contact marked as verified.
-
-When receiving such `Autocrypt-Gossip` header
-in a message signed by a verified key,
-chatmail clients mark the gossiped key
-as indirectly verified.
-
-
 # Transitioning to a new e-mail address (AEAP)

 When receiving a message:
--- a/src/accounts.rs
+++ b/src/accounts.rs
@@ -78,7 +78,7 @@ impl Accounts {
        ensure!(dir.exists(), "directory does not exist");

        let config_file = dir.join(CONFIG_NAME);
-        ensure!(config_file.exists(), "{config_file:?} does not exist");
+        ensure!(config_file.exists(), "{:?} does not exist", config_file);

        let config = Config::from_file(config_file, writable).await?;
        let events = Events::new();
@@ -724,7 +724,8 @@ impl Config {
        {
            ensure!(
                self.inner.accounts.iter().any(|e| e.id == id),
-                "invalid account id: {id}"
+                "invalid account id: {}",
+                id
            );

            self.inner.selected_account = id;
--- a/src/aheader.rs
+++ b/src/aheader.rs
@@ -17,6 +17,7 @@ pub enum EncryptPreference {
    #[default]
    NoPreference = 0,
    Mutual = 1,
+    Reset = 20,
 }

 impl fmt::Display for EncryptPreference {
@@ -24,6 +25,7 @@ impl fmt::Display for EncryptPreference {
        match *self {
            EncryptPreference::Mutual => write!(fmt, "mutual"),
            EncryptPreference::NoPreference => write!(fmt, "nopreference"),
+            EncryptPreference::Reset => write!(fmt, "reset"),
        }
    }
 }
@@ -35,7 +37,7 @@ impl FromStr for EncryptPreference {
        match s {
            "mutual" => Ok(EncryptPreference::Mutual),
            "nopreference" => Ok(EncryptPreference::NoPreference),
-            _ => bail!("Cannot parse encryption preference {s}"),
+            _ => bail!("Cannot parse encryption preference {}", s),
        }
    }
 }
@@ -46,13 +48,21 @@ pub struct Aheader {
    pub addr: String,
    pub public_key: SignedPublicKey,
    pub prefer_encrypt: EncryptPreference,
+}

-    // Whether `_verified` attribute is present.
-    //
-    // `_verified` attribute is an extension to `Autocrypt-Gossip`
-    // header that is used to tell that the sender
-    // marked this key as verified.
-    pub verified: bool,
+impl Aheader {
+    /// Creates new autocrypt header
+    pub fn new(
+        addr: String,
+        public_key: SignedPublicKey,
+        prefer_encrypt: EncryptPreference,
+    ) -> Self {
+        Aheader {
+            addr,
+            public_key,
+            prefer_encrypt,
+        }
+    }
 }

 impl fmt::Display for Aheader {
@@ -61,11 +71,6 @@ impl fmt::Display for Aheader {
        if self.prefer_encrypt == EncryptPreference::Mutual {
            write!(fmt, " prefer-encrypt=mutual;")?;
        }
-        // TODO After we reset all existing verifications,
-        // we want to start sending the _verified attribute
-        // if self.verified {
-        //     write!(fmt, " _verified=1;")?;
-        // }

        // adds a whitespace every 78 characters, this allows
        // email crate to wrap the lines according to RFC 5322
@@ -120,8 +125,6 @@ impl FromStr for Aheader {
            .and_then(|raw| raw.parse().ok())
            .unwrap_or_default();

-        let verified = attributes.remove("_verified").is_some();
-
        // Autocrypt-Level0: unknown attributes starting with an underscore can be safely ignored
        // Autocrypt-Level0: unknown attribute, treat the header as invalid
        if attributes.keys().any(|k| !k.starts_with('_')) {
@@ -132,7 +135,6 @@ impl FromStr for Aheader {
            addr,
            public_key,
            prefer_encrypt,
-            verified,
        })
    }
 }
@@ -150,11 +152,10 @@ mod tests {

        assert_eq!(h.addr, "me@mail.com");
        assert_eq!(h.prefer_encrypt, EncryptPreference::Mutual);
-        assert_eq!(h.verified, false);
        Ok(())
    }

-    // Non-standard values of prefer-encrypt such as `reset` are treated as no preference.
+    // EncryptPreference::Reset is an internal value, parser should never return it
    #[test]
    fn test_from_str_reset() -> Result<()> {
        let raw = format!("addr=reset@example.com; prefer-encrypt=reset; keydata={RAWKEY}");
@@ -244,12 +245,11 @@ mod tests {
        assert!(
            format!(
                "{}",
-                Aheader {
-                    addr: "test@example.com".to_string(),
-                    public_key: SignedPublicKey::from_base64(RAWKEY).unwrap(),
-                    prefer_encrypt: EncryptPreference::Mutual,
-                    verified: false
-                }
+                Aheader::new(
+                    "test@example.com".to_string(),
+                    SignedPublicKey::from_base64(RAWKEY).unwrap(),
+                    EncryptPreference::Mutual
+                )
            )
            .contains("prefer-encrypt=mutual;")
        );
@@ -260,12 +260,11 @@ mod tests {
        assert!(
            !format!(
                "{}",
-                Aheader {
-                    addr: "test@example.com".to_string(),
-                    public_key: SignedPublicKey::from_base64(RAWKEY).unwrap(),
-                    prefer_encrypt: EncryptPreference::NoPreference,
-                    verified: false
-                }
+                Aheader::new(
+                    "test@example.com".to_string(),
+                    SignedPublicKey::from_base64(RAWKEY).unwrap(),
+                    EncryptPreference::NoPreference
+                )
            )
            .contains("prefer-encrypt")
        );
@@ -274,28 +273,13 @@ mod tests {
        assert!(
            format!(
                "{}",
-                Aheader {
-                    addr: "TeSt@eXaMpLe.cOm".to_string(),
-                    public_key: SignedPublicKey::from_base64(RAWKEY).unwrap(),
-                    prefer_encrypt: EncryptPreference::Mutual,
-                    verified: false
-                }
+                Aheader::new(
+                    "TeSt@eXaMpLe.cOm".to_string(),
+                    SignedPublicKey::from_base64(RAWKEY).unwrap(),
+                    EncryptPreference::Mutual
+                )
            )
            .contains("test@example.com")
        );
-
-        // We don't send the _verified header yet:
-        assert!(
-            !format!(
-                "{}",
-                Aheader {
-                    addr: "test@example.com".to_string(),
-                    public_key: SignedPublicKey::from_base64(RAWKEY).unwrap(),
-                    prefer_encrypt: EncryptPreference::NoPreference,
-                    verified: true
-                }
-            )
-            .contains("_verified")
-        );
    }
 }
--- a/src/authres.rs
+++ b/src/authres.rs
@@ -32,7 +32,7 @@ pub(crate) async fn handle_authres(
    let from_domain = match EmailAddress::new(from) {
        Ok(email) => email.domain,
        Err(e) => {
-            return Err(anyhow::format_err!("invalid email {from}: {e:#}"));
+            return Err(anyhow::format_err!("invalid email {}: {:#}", from, e));
        }
    };

@@ -468,7 +468,7 @@ Authentication-Results: box.hispanilandia.net; spf=pass smtp.mailfrom=adbenitez@
            // The ordering in which the emails are received can matter;
            // the test _should_ pass for every ordering.
            dir.sort_by_key(|d| d.file_name());
-            //rand::seq::SliceRandom::shuffle(&mut dir[..], &mut rand::rng());
+            //rand::seq::SliceRandom::shuffle(&mut dir[..], &mut rand::thread_rng());

            for entry in &dir {
                let mut file = fs::File::open(entry.path()).await?;
--- a/src/blob.rs
+++ b/src/blob.rs
@@ -170,7 +170,7 @@ impl<'a> BlobObject<'a> {
            false => name,
        };
        if !BlobObject::is_acceptible_blob_name(name) {
-            return Err(format_err!("not an acceptable blob name: {name}"));
+            return Err(format_err!("not an acceptable blob name: {}", name));
        }
        Ok(BlobObject {
            blobdir: context.get_blobdir(),
@@ -367,12 +367,11 @@ impl<'a> BlobObject<'a> {
                        || img.get_pixel(x_max, y_max).0[3] == 0)
                {
                    *vt = Viewtype::Image;
-                } else {
-                    // Core doesn't auto-assign `Viewtype::Sticker` to messages and stickers coming
-                    // from UIs shouldn't contain sensitive Exif info.
-                    return Ok(name);
                }
            }
+            if *vt == Viewtype::Sticker && exif.is_none() {
+                return Ok(name);
+            }

            img = match orientation {
                Some(90) => img.rotate90(),
@@ -458,7 +457,8 @@ impl<'a> BlobObject<'a> {
                    {
                        if img_wh < 20 {
                            return Err(format_err!(
-                                "Failed to scale image to below {max_bytes}B.",
+                                "Failed to scale image to below {}B.",
+                                max_bytes,
                            ));
                        }

@@ -537,11 +537,7 @@ fn file_hash(src: &Path) -> Result<blake3::Hash> {
 fn image_metadata(file: &std::fs::File) -> Result<(u64, Option<exif::Exif>)> {
    let len = file.metadata()?.len();
    let mut bufreader = std::io::BufReader::new(file);
-    let exif = exif::Reader::new()
-        .continue_on_error(true)
-        .read_from_container(&mut bufreader)
-        .or_else(|e| e.distill_partial_result(|_errors| {}))
-        .ok();
+    let exif = exif::Reader::new().read_from_container(&mut bufreader).ok();
    Ok((len, exif))
 }

--- a/src/blob/blob_tests.rs
+++ b/src/blob/blob_tests.rs
@@ -334,28 +334,6 @@ async fn test_recode_image_2() {
    assert_correct_rotation(&img_rotated);
 }

-#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
-async fn test_recode_image_bad_exif() {
-    // `exiftool` reports for this file "Bad offset for IFD0 XResolution", still Exif must be
-    // detected and removed.
-    let bytes = include_bytes!("../../test-data/image/1000x1000-bad-exif.jpg");
-    SendImageCheckMediaquality {
-        viewtype: Viewtype::Image,
-        media_quality_config: "0",
-        bytes,
-        extension: "jpg",
-        has_exif: true,
-        original_width: 1000,
-        original_height: 1000,
-        compressed_width: 1000,
-        compressed_height: 1000,
-        ..Default::default()
-    }
-    .test()
-    .await
-    .unwrap();
-}
-
 #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
 async fn test_recode_image_balanced_png() {
    let bytes = include_bytes!("../../test-data/image/screenshot.png");
@@ -438,28 +416,6 @@ async fn test_recode_image_balanced_png() {
    .unwrap();
 }

-#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
-async fn test_sticker_with_exif() {
-    let bytes = include_bytes!("../../test-data/image/logo-exif.png");
-    SendImageCheckMediaquality {
-        viewtype: Viewtype::Sticker,
-        bytes,
-        extension: "png",
-        // TODO: Pretend there's no Exif. Currently `exif` crate doesn't detect Exif in this image,
-        // so the test doesn't check all the logic it should.
-        has_exif: false,
-        original_width: 135,
-        original_height: 135,
-        res_viewtype: Some(Viewtype::Sticker),
-        compressed_width: 135,
-        compressed_height: 135,
-        ..Default::default()
-    }
-    .test()
-    .await
-    .unwrap();
-}
-
 /// Tests that RGBA PNG can be recoded into JPEG
 /// by dropping alpha channel.
 #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
@@ -529,7 +485,6 @@ struct SendImageCheckMediaquality<'a> {
    pub(crate) original_width: u32,
    pub(crate) original_height: u32,
    pub(crate) orientation: i32,
-    pub(crate) res_viewtype: Option<Viewtype>,
    pub(crate) compressed_width: u32,
    pub(crate) compressed_height: u32,
    pub(crate) set_draft: bool,
@@ -545,7 +500,6 @@ impl SendImageCheckMediaquality<'_> {
        let original_width = self.original_width;
        let original_height = self.original_height;
        let orientation = self.orientation;
-        let res_viewtype = self.res_viewtype.unwrap_or(Viewtype::Image);
        let compressed_width = self.compressed_width;
        let compressed_height = self.compressed_height;
        let set_draft = self.set_draft;
@@ -596,7 +550,7 @@ impl SendImageCheckMediaquality<'_> {
        }

        let bob_msg = bob.recv_msg(&sent).await;
-        assert_eq!(bob_msg.get_viewtype(), res_viewtype);
+        assert_eq!(bob_msg.get_viewtype(), Viewtype::Image);
        assert_eq!(bob_msg.get_width() as u32, compressed_width);
        assert_eq!(bob_msg.get_height() as u32, compressed_height);
        let file_saved = bob
@@ -610,7 +564,7 @@ impl SendImageCheckMediaquality<'_> {
        }

        let (_, exif) = image_metadata(&std::fs::File::open(&file_saved)?)?;
-        assert!(res_viewtype != Viewtype::Image || exif.is_none());
+        assert!(exif.is_none());

        let img = check_image_size(file_saved, compressed_width, compressed_height);

--- a/src/calls.rs
+++ b/src/calls.rs
@@ -1,702 +0,0 @@
-//! # Handle calls.
-//!
-//! Internally, calls are bound a user-visible message initializing the call.
-//! This means, the "Call ID" is a "Message ID" - similar to Webxdc IDs.
-use crate::chat::ChatIdBlocked;
-use crate::chat::{Chat, ChatId, send_msg};
-use crate::constants::{Blocked, Chattype};
-use crate::contact::ContactId;
-use crate::context::Context;
-use crate::events::EventType;
-use crate::headerdef::HeaderDef;
-use crate::log::{info, warn};
-use crate::message::{self, Message, MsgId, Viewtype};
-use crate::mimeparser::{MimeMessage, SystemMessage};
-use crate::net::dns::lookup_host_with_cache;
-use crate::param::Param;
-use crate::tools::time;
-use anyhow::{Context as _, Result, ensure};
-use sdp::SessionDescription;
-use serde::Serialize;
-use std::io::Cursor;
-use std::str::FromStr;
-use std::time::Duration;
-use tokio::task;
-use tokio::time::sleep;
-
-/// How long callee's or caller's phone ring.
-///
-/// For the callee, this is to prevent endless ringing
-/// in case the initial "call" is received, but then the caller went offline.
-/// Moreover, this prevents outdated calls to ring
-/// in case the initial "call" message arrives delayed.
-///
-/// For the caller, this means they should also not wait longer,
-/// as the callee won't start the call afterwards.
-const RINGING_SECONDS: i64 = 60;
-
-// For persisting parameters in the call, we use Param::Arg*
-
-const CALL_ACCEPTED_TIMESTAMP: Param = Param::Arg;
-const CALL_ENDED_TIMESTAMP: Param = Param::Arg4;
-
-const STUN_PORT: u16 = 3478;
-
-/// Set if incoming call was ended explicitly
-/// by the other side before we accepted it.
-///
-/// It is used to distinguish "ended" calls
-/// that are rejected by us from the calls
-/// canceled by the other side
-/// immediately after ringing started.
-const CALL_CANCELED_TIMESTAMP: Param = Param::Arg2;
-
-/// Information about the status of a call.
-#[derive(Debug, Default)]
-pub struct CallInfo {
-    /// User-defined text as given to place_outgoing_call()
-    pub place_call_info: String,
-
-    /// User-defined text as given to accept_incoming_call()
-    pub accept_call_info: String,
-
-    /// Message referring to the call.
-    /// Data are persisted along with the message using Param::Arg*
-    pub msg: Message,
-}
-
-impl CallInfo {
-    /// Returns true if the call is an incoming call.
-    pub fn is_incoming(&self) -> bool {
-        self.msg.from_id != ContactId::SELF
-    }
-
-    /// Returns true if the call should not ring anymore.
-    pub fn is_stale(&self) -> bool {
-        (self.is_incoming() || self.msg.timestamp_sent != 0) && self.remaining_ring_seconds() <= 0
-    }
-
-    fn remaining_ring_seconds(&self) -> i64 {
-        let remaining_seconds = self.msg.timestamp_sent + RINGING_SECONDS - time();
-        remaining_seconds.clamp(0, RINGING_SECONDS)
-    }
-
-    async fn update_text(&self, context: &Context, text: &str) -> Result<()> {
-        context
-            .sql
-            .execute(
-                "UPDATE msgs SET txt=?, txt_normalized=? WHERE id=?",
-                (text, message::normalize_text(text), self.msg.id),
-            )
-            .await?;
-        Ok(())
-    }
-
-    async fn update_text_duration(&self, context: &Context) -> Result<()> {
-        let minutes = self.duration_seconds() / 60;
-        let duration = match minutes {
-            0 => "<1 minute".to_string(),
-            1 => "1 minute".to_string(),
-            n => format!("{n} minutes"),
-        };
-
-        if self.is_incoming() {
-            self.update_text(context, &format!("Incoming call\n{duration}"))
-                .await?;
-        } else {
-            self.update_text(context, &format!("Outgoing call\n{duration}"))
-                .await?;
-        }
-        Ok(())
-    }
-
-    /// Mark calls as accepted.
-    /// This is needed for all devices where a stale-timer runs, to prevent accepted calls being terminated as stale.
-    async fn mark_as_accepted(&mut self, context: &Context) -> Result<()> {
-        self.msg.param.set_i64(CALL_ACCEPTED_TIMESTAMP, time());
-        self.msg.update_param(context).await?;
-        Ok(())
-    }
-
-    /// Returns true if the call is accepted.
-    pub fn is_accepted(&self) -> bool {
-        self.msg.param.exists(CALL_ACCEPTED_TIMESTAMP)
-    }
-
-    /// Returns true if the call is missed
-    /// because the caller canceled it
-    /// explicitly before ringing stopped.
-    ///
-    /// For outgoing calls this means
-    /// the receiver has rejected the call
-    /// explicitly.
-    pub fn is_canceled(&self) -> bool {
-        self.msg.param.exists(CALL_CANCELED_TIMESTAMP)
-    }
-
-    async fn mark_as_ended(&mut self, context: &Context) -> Result<()> {
-        self.msg.param.set_i64(CALL_ENDED_TIMESTAMP, time());
-        self.msg.update_param(context).await?;
-        Ok(())
-    }
-
-    /// Explicitly mark the call as canceled.
-    ///
-    /// For incoming calls this should be called
-    /// when "call ended" message is received
-    /// from the caller before we picked up the call.
-    /// In this case the call becomes "missed" early
-    /// before the ringing timeout.
-    async fn mark_as_canceled(&mut self, context: &Context) -> Result<()> {
-        let now = time();
-        self.msg.param.set_i64(CALL_ENDED_TIMESTAMP, now);
-        self.msg.param.set_i64(CALL_CANCELED_TIMESTAMP, now);
-        self.msg.update_param(context).await?;
-        Ok(())
-    }
-
-    /// Returns true if the call is ended.
-    pub fn is_ended(&self) -> bool {
-        self.msg.param.exists(CALL_ENDED_TIMESTAMP)
-    }
-
-    /// Returns call duration in seconds.
-    pub fn duration_seconds(&self) -> i64 {
-        if let (Some(start), Some(end)) = (
-            self.msg.param.get_i64(CALL_ACCEPTED_TIMESTAMP),
-            self.msg.param.get_i64(CALL_ENDED_TIMESTAMP),
-        ) {
-            let seconds = end - start;
-            if seconds <= 0 {
-                return 1;
-            }
-            return seconds;
-        }
-        0
-    }
-}
-
-impl Context {
-    /// Start an outgoing call.
-    pub async fn place_outgoing_call(
-        &self,
-        chat_id: ChatId,
-        place_call_info: String,
-    ) -> Result<MsgId> {
-        let chat = Chat::load_from_db(self, chat_id).await?;
-        ensure!(
-            chat.typ == Chattype::Single,
-            "Can only place calls in 1:1 chats"
-        );
-        ensure!(!chat.is_self_talk(), "Cannot call self");
-
-        let mut call = Message {
-            viewtype: Viewtype::Call,
-            text: "Outgoing call".into(),
-            ..Default::default()
-        };
-        call.param.set(Param::WebrtcRoom, &place_call_info);
-        call.id = send_msg(self, chat_id, &mut call).await?;
-
-        let wait = RINGING_SECONDS;
-        task::spawn(Context::emit_end_call_if_unaccepted(
-            self.clone(),
-            wait.try_into()?,
-            call.id,
-        ));
-
-        Ok(call.id)
-    }
-
-    /// Accept an incoming call.
-    pub async fn accept_incoming_call(
-        &self,
-        call_id: MsgId,
-        accept_call_info: String,
-    ) -> Result<()> {
-        let mut call: CallInfo = self.load_call_by_id(call_id).await?.with_context(|| {
-            format!("accept_incoming_call is called with {call_id} which does not refer to a call")
-        })?;
-        ensure!(call.is_incoming());
-        if call.is_accepted() || call.is_ended() {
-            info!(self, "Call already accepted/ended");
-            return Ok(());
-        }
-
-        call.mark_as_accepted(self).await?;
-        let chat = Chat::load_from_db(self, call.msg.chat_id).await?;
-        if chat.is_contact_request() {
-            chat.id.accept(self).await?;
-        }
-
-        // send an acceptance message around: to the caller as well as to the other devices of the callee
-        let mut msg = Message {
-            viewtype: Viewtype::Text,
-            text: "[Call accepted]".into(),
-            ..Default::default()
-        };
-        msg.param.set_cmd(SystemMessage::CallAccepted);
-        msg.hidden = true;
-        msg.param
-            .set(Param::WebrtcAccepted, accept_call_info.to_string());
-        msg.set_quote(self, Some(&call.msg)).await?;
-        msg.id = send_msg(self, call.msg.chat_id, &mut msg).await?;
-        self.emit_event(EventType::IncomingCallAccepted {
-            msg_id: call.msg.id,
-            chat_id: call.msg.chat_id,
-        });
-        self.emit_msgs_changed(call.msg.chat_id, call_id);
-        Ok(())
-    }
-
-    /// Cancel, decline or hangup an incoming or outgoing call.
-    pub async fn end_call(&self, call_id: MsgId) -> Result<()> {
-        let mut call: CallInfo = self.load_call_by_id(call_id).await?.with_context(|| {
-            format!("end_call is called with {call_id} which does not refer to a call")
-        })?;
-        if call.is_ended() {
-            info!(self, "Call already ended");
-            return Ok(());
-        }
-
-        if !call.is_accepted() {
-            if call.is_incoming() {
-                call.mark_as_ended(self).await?;
-                call.update_text(self, "Declined call").await?;
-            } else {
-                call.mark_as_canceled(self).await?;
-                call.update_text(self, "Canceled call").await?;
-            }
-        } else {
-            call.mark_as_ended(self).await?;
-            call.update_text_duration(self).await?;
-        }
-
-        let mut msg = Message {
-            viewtype: Viewtype::Text,
-            text: "[Call ended]".into(),
-            ..Default::default()
-        };
-        msg.param.set_cmd(SystemMessage::CallEnded);
-        msg.hidden = true;
-        msg.set_quote(self, Some(&call.msg)).await?;
-        msg.id = send_msg(self, call.msg.chat_id, &mut msg).await?;
-
-        self.emit_event(EventType::CallEnded {
-            msg_id: call.msg.id,
-            chat_id: call.msg.chat_id,
-        });
-        self.emit_msgs_changed(call.msg.chat_id, call_id);
-        Ok(())
-    }
-
-    async fn emit_end_call_if_unaccepted(
-        context: Context,
-        wait: u64,
-        call_id: MsgId,
-    ) -> Result<()> {
-        sleep(Duration::from_secs(wait)).await;
-        let Some(mut call) = context.load_call_by_id(call_id).await? else {
-            warn!(
-                context,
-                "emit_end_call_if_unaccepted is called with {call_id} which does not refer to a call."
-            );
-            return Ok(());
-        };
-        if !call.is_accepted() && !call.is_ended() {
-            if call.is_incoming() {
-                call.mark_as_canceled(&context).await?;
-                call.update_text(&context, "Missed call").await?;
-            } else {
-                call.mark_as_ended(&context).await?;
-                call.update_text(&context, "Canceled call").await?;
-            }
-            context.emit_msgs_changed(call.msg.chat_id, call_id);
-            context.emit_event(EventType::CallEnded {
-                msg_id: call.msg.id,
-                chat_id: call.msg.chat_id,
-            });
-        }
-        Ok(())
-    }
-
-    pub(crate) async fn handle_call_msg(
-        &self,
-        call_id: MsgId,
-        mime_message: &MimeMessage,
-        from_id: ContactId,
-    ) -> Result<()> {
-        if mime_message.is_call() {
-            let Some(call) = self.load_call_by_id(call_id).await? else {
-                warn!(self, "{call_id} does not refer to a call message");
-                return Ok(());
-            };
-
-            if call.is_incoming() {
-                if call.is_stale() {
-                    call.update_text(self, "Missed call").await?;
-                    self.emit_incoming_msg(call.msg.chat_id, call_id); // notify missed call
-                } else {
-                    call.update_text(self, "Incoming call").await?;
-                    self.emit_msgs_changed(call.msg.chat_id, call_id); // ringing calls are not additionally notified
-                    let has_video = match sdp_has_video(&call.place_call_info) {
-                        Ok(has_video) => has_video,
-                        Err(err) => {
-                            warn!(self, "Failed to determine if SDP offer has video: {err:#}.");
-                            false
-                        }
-                    };
-                    if let Some(chat_id_blocked) =
-                        ChatIdBlocked::lookup_by_contact(self, from_id).await?
-                    {
-                        match chat_id_blocked.blocked {
-                            Blocked::Not => {
-                                self.emit_event(EventType::IncomingCall {
-                                    msg_id: call.msg.id,
-                                    chat_id: call.msg.chat_id,
-                                    place_call_info: call.place_call_info.to_string(),
-                                    has_video,
-                                });
-                            }
-                            Blocked::Yes | Blocked::Request => {
-                                // Do not notify about incoming calls
-                                // from contact requests and blocked contacts.
-                                //
-                                // User can still access the call and accept it
-                                // via the chat in case of contact requests.
-                            }
-                        }
-                    }
-                    let wait = call.remaining_ring_seconds();
-                    task::spawn(Context::emit_end_call_if_unaccepted(
-                        self.clone(),
-                        wait.try_into()?,
-                        call.msg.id,
-                    ));
-                }
-            } else {
-                call.update_text(self, "Outgoing call").await?;
-                self.emit_msgs_changed(call.msg.chat_id, call_id);
-            }
-        } else {
-            match mime_message.is_system_message {
-                SystemMessage::CallAccepted => {
-                    let Some(mut call) = self.load_call_by_id(call_id).await? else {
-                        warn!(self, "{call_id} does not refer to a call message");
-                        return Ok(());
-                    };
-
-                    if call.is_ended() || call.is_accepted() {
-                        info!(self, "CallAccepted received for accepted/ended call");
-                        return Ok(());
-                    }
-
-                    call.mark_as_accepted(self).await?;
-                    self.emit_msgs_changed(call.msg.chat_id, call_id);
-                    if call.is_incoming() {
-                        self.emit_event(EventType::IncomingCallAccepted {
-                            msg_id: call.msg.id,
-                            chat_id: call.msg.chat_id,
-                        });
-                    } else {
-                        let accept_call_info = mime_message
-                            .get_header(HeaderDef::ChatWebrtcAccepted)
-                            .unwrap_or_default();
-                        self.emit_event(EventType::OutgoingCallAccepted {
-                            msg_id: call.msg.id,
-                            chat_id: call.msg.chat_id,
-                            accept_call_info: accept_call_info.to_string(),
-                        });
-                    }
-                }
-                SystemMessage::CallEnded => {
-                    let Some(mut call) = self.load_call_by_id(call_id).await? else {
-                        warn!(self, "{call_id} does not refer to a call message");
-                        return Ok(());
-                    };
-
-                    if call.is_ended() {
-                        // may happen eg. if a a message is missed
-                        info!(self, "CallEnded received for ended call");
-                        return Ok(());
-                    }
-
-                    if !call.is_accepted() {
-                        if call.is_incoming() {
-                            if from_id == ContactId::SELF {
-                                call.mark_as_ended(self).await?;
-                                call.update_text(self, "Declined call").await?;
-                            } else {
-                                call.mark_as_canceled(self).await?;
-                                call.update_text(self, "Missed call").await?;
-                            }
-                        } else {
-                            // outgoing
-                            if from_id == ContactId::SELF {
-                                call.mark_as_canceled(self).await?;
-                                call.update_text(self, "Canceled call").await?;
-                            } else {
-                                call.mark_as_ended(self).await?;
-                                call.update_text(self, "Declined call").await?;
-                            }
-                        }
-                    } else {
-                        call.mark_as_ended(self).await?;
-                        call.update_text_duration(self).await?;
-                    }
-
-                    self.emit_msgs_changed(call.msg.chat_id, call_id);
-                    self.emit_event(EventType::CallEnded {
-                        msg_id: call.msg.id,
-                        chat_id: call.msg.chat_id,
-                    });
-                }
-                _ => {}
-            }
-        }
-        Ok(())
-    }
-
-    /// Loads information about the call given its ID.
-    ///
-    /// If the message referred to by ID is
-    /// not a call message, returns `None`.
-    pub async fn load_call_by_id(&self, call_id: MsgId) -> Result<Option<CallInfo>> {
-        let call = Message::load_from_db(self, call_id).await?;
-        Ok(self.load_call_by_message(call))
-    }
-
-    // Loads information about the call given the `Message`.
-    //
-    // If the `Message` is not a call message, returns `None`
-    fn load_call_by_message(&self, call: Message) -> Option<CallInfo> {
-        if call.viewtype != Viewtype::Call {
-            // This can happen e.g. if a "call accepted"
-            // or "call ended" message is received
-            // with `In-Reply-To` referring to non-call message.
-            return None;
-        }
-
-        Some(CallInfo {
-            place_call_info: call
-                .param
-                .get(Param::WebrtcRoom)
-                .unwrap_or_default()
-                .to_string(),
-            accept_call_info: call
-                .param
-                .get(Param::WebrtcAccepted)
-                .unwrap_or_default()
-                .to_string(),
-            msg: call,
-        })
-    }
-}
-
-/// Returns true if SDP offer has a video.
-pub fn sdp_has_video(sdp: &str) -> Result<bool> {
-    let mut cursor = Cursor::new(sdp);
-    let session_description =
-        SessionDescription::unmarshal(&mut cursor).context("Failed to parse SDP")?;
-    for media_description in &session_description.media_descriptions {
-        if media_description.media_name.media == "video" {
-            return Ok(true);
-        }
-    }
-    Ok(false)
-}
-
-/// State of the call for display in the message bubble.
-#[derive(Debug, PartialEq, Eq)]
-pub enum CallState {
-    /// Fresh incoming or outgoing call that is still ringing.
-    ///
-    /// There is no separate state for outgoing call
-    /// that has been dialled but not ringing on the other side yet
-    /// as we don't know whether the other side received our call.
-    Alerting,
-
-    /// Active call.
-    Active,
-
-    /// Completed call that was once active
-    /// and then was terminated for any reason.
-    Completed {
-        /// Call duration in seconds.
-        duration: i64,
-    },
-
-    /// Incoming call that was not picked up within a timeout
-    /// or was explicitly ended by the caller before we picked up.
-    Missed,
-
-    /// Incoming call that was explicitly ended on our side
-    /// before picking up or outgoing call
-    /// that was declined before the timeout.
-    Declined,
-
-    /// Outgoing call that has been canceled on our side
-    /// before receiving a response.
-    ///
-    /// Incoming calls cannot be canceled,
-    /// on the receiver side canceled calls
-    /// usually result in missed calls.
-    Canceled,
-}
-
-/// Returns call state given the message ID.
-///
-/// Returns an error if the message is not a call message.
-pub async fn call_state(context: &Context, msg_id: MsgId) -> Result<CallState> {
-    let call = context
-        .load_call_by_id(msg_id)
-        .await?
-        .with_context(|| format!("{msg_id} is not a call message"))?;
-    let state = if call.is_incoming() {
-        if call.is_accepted() {
-            if call.is_ended() {
-                CallState::Completed {
-                    duration: call.duration_seconds(),
-                }
-            } else {
-                CallState::Active
-            }
-        } else if call.is_canceled() {
-            // Call was explicitly canceled
-            // by the caller before we picked it up.
-            CallState::Missed
-        } else if call.is_ended() {
-            CallState::Declined
-        } else if call.is_stale() {
-            CallState::Missed
-        } else {
-            CallState::Alerting
-        }
-    } else if call.is_accepted() {
-        if call.is_ended() {
-            CallState::Completed {
-                duration: call.duration_seconds(),
-            }
-        } else {
-            CallState::Active
-        }
-    } else if call.is_canceled() {
-        CallState::Canceled
-    } else if call.is_ended() || call.is_stale() {
-        CallState::Declined
-    } else {
-        CallState::Alerting
-    };
-    Ok(state)
-}
-
-/// ICE server for JSON serialization.
-#[derive(Serialize, Debug, Clone, PartialEq)]
-struct IceServer {
-    /// STUN or TURN URLs.
-    pub urls: Vec<String>,
-
-    /// Username for TURN server authentication.
-    pub username: Option<String>,
-
-    /// Password for logging into the server.
-    pub credential: Option<String>,
-}
-
-/// Creates JSON with ICE servers.
-async fn create_ice_servers(
-    context: &Context,
-    hostname: &str,
-    port: u16,
-    username: &str,
-    password: &str,
-) -> Result<String> {
-    // Do not use cache because there is no TLS.
-    let load_cache = false;
-    let urls: Vec<String> = lookup_host_with_cache(context, hostname, port, "", load_cache)
-        .await?
-        .into_iter()
-        .map(|addr| format!("turn:{addr}"))
-        .collect();
-
-    let ice_server = IceServer {
-        urls,
-        username: Some(username.to_string()),
-        credential: Some(password.to_string()),
-    };
-
-    let json = serde_json::to_string(&[ice_server])?;
-    Ok(json)
-}
-
-/// Creates JSON with ICE servers from a line received over IMAP METADATA.
-///
-/// IMAP METADATA returns a line such as
-/// `example.com:3478:1758650868:8Dqkyyu11MVESBqjbIylmB06rv8=`
-///
-/// 1758650868 is the username and expiration timestamp
-/// at the same time,
-/// while `8Dqkyyu11MVESBqjbIylmB06rv8=`
-/// is the password.
-pub(crate) async fn create_ice_servers_from_metadata(
-    context: &Context,
-    metadata: &str,
-) -> Result<(i64, String)> {
-    let (hostname, rest) = metadata.split_once(':').context("Missing hostname")?;
-    let (port, rest) = rest.split_once(':').context("Missing port")?;
-    let port = u16::from_str(port).context("Failed to parse the port")?;
-    let (ts, password) = rest.split_once(':').context("Missing timestamp")?;
-    let expiration_timestamp = i64::from_str(ts).context("Failed to parse the timestamp")?;
-    let ice_servers = create_ice_servers(context, hostname, port, ts, password).await?;
-    Ok((expiration_timestamp, ice_servers))
-}
-
-/// Creates JSON with ICE servers when no TURN servers are known.
-pub(crate) async fn create_fallback_ice_servers(context: &Context) -> Result<String> {
-    // Do not use public STUN server from https://stunprotocol.org/.
-    // It changes the hostname every year
-    // (e.g. stunserver2025.stunprotocol.org
-    // which was previously stunserver2024.stunprotocol.org)
-    // because of bandwidth costs:
-    // <https://github.com/jselbie/stunserver/issues/50>
-
-    // We use nine.testrun.org for a default STUN server.
-    let hostname = "nine.testrun.org";
-
-    // Do not use cache because there is no TLS.
-    let load_cache = false;
-    let urls: Vec<String> = lookup_host_with_cache(context, hostname, STUN_PORT, "", load_cache)
-        .await?
-        .into_iter()
-        .map(|addr| format!("stun:{addr}"))
-        .collect();
-
-    let ice_server = IceServer {
-        urls,
-        username: None,
-        credential: None,
-    };
-
-    let json = serde_json::to_string(&[ice_server])?;
-    Ok(json)
-}
-
-/// Returns JSON with ICE servers.
-///
-/// <https://developer.mozilla.org/en-US/docs/Web/API/RTCPeerConnection/RTCPeerConnection#iceservers>
-///
-/// All returned servers are resolved to their IP addresses.
-/// The primary point of DNS lookup is that Delta Chat Desktop
-/// relies on the servers being specified by IP,
-/// because it itself cannot utilize DNS. See
-/// <https://github.com/deltachat/deltachat-desktop/issues/5447>.
-pub async fn ice_servers(context: &Context) -> Result<String> {
-    if let Some(ref metadata) = *context.metadata.read().await {
-        Ok(metadata.ice_servers.clone())
-    } else {
-        Ok("[]".to_string())
-    }
-}
-
-#[cfg(test)]
-mod calls_tests;
--- a/src/calls/calls_tests.rs
+++ b/src/calls/calls_tests.rs
@@ -1,674 +0,0 @@
-use super::*;
-use crate::chat::forward_msgs;
-use crate::config::Config;
-use crate::constants::DC_CHAT_ID_TRASH;
-use crate::receive_imf::{receive_imf, receive_imf_from_inbox};
-use crate::test_utils::{TestContext, TestContextManager};
-
-struct CallSetup {
-    pub alice: TestContext,
-    pub alice2: TestContext,
-    pub alice_call: Message,
-    pub alice2_call: Message,
-    pub bob: TestContext,
-    pub bob2: TestContext,
-    pub bob_call: Message,
-    pub bob2_call: Message,
-}
-
-async fn assert_text(t: &TestContext, call_id: MsgId, text: &str) -> Result<()> {
-    assert_eq!(Message::load_from_db(t, call_id).await?.text, text);
-    Ok(())
-}
-
-// Offer and answer examples from <https://www.rfc-editor.org/rfc/rfc3264>
-const PLACE_INFO: &str = "v=0\r\no=alice 2890844526 2890844526 IN IP4 host.anywhere.com\r\ns=-\r\nc=IN IP4 host.anywhere.com\r\nt=0 0\r\nm=audio 62986 RTP/AVP 0 4 18\r\na=rtpmap:0 PCMU/8000\r\na=rtpmap:4 G723/8000\r\na=rtpmap:18 G729/8000\r\na=inactive\r\n";
-const ACCEPT_INFO: &str = "v=0\r\no=bob 2890844730 2890844731 IN IP4 host.example.com\r\ns=\r\nc=IN IP4 host.example.com\r\nt=0 0\r\nm=audio 54344 RTP/AVP 0 4\r\na=rtpmap:0 PCMU/8000\r\na=rtpmap:4 G723/8000\r\na=inactive\r\n";
-
-/// Example from <https://datatracker.ietf.org/doc/rfc9143/>
-/// with `s= ` replaced with `s=-`.
-///
-/// `s=` cannot be empty according to RFC 3264,
-/// so it is more clear as `s=-`.
-const PLACE_INFO_VIDEO: &str = "v=0\r\no=alice 2890844526 2890844526 IN IP6 2001:db8::3\r\ns=-\r\nc=IN IP6 2001:db8::3\r\nt=0 0\r\na=group:BUNDLE foo bar\r\n\r\nm=audio 10000 RTP/AVP 0 8 97\r\nb=AS:200\r\na=mid:foo\r\na=rtcp-mux\r\na=rtpmap:0 PCMU/8000\r\na=rtpmap:8 PCMA/8000\r\na=rtpmap:97 iLBC/8000\r\na=extmap:1 urn:ietf:params:rtp-hdrext:sdes:mid\r\n\r\nm=video 10002 RTP/AVP 31 32\r\nb=AS:1000\r\na=mid:bar\r\na=rtcp-mux\r\na=rtpmap:31 H261/90000\r\na=rtpmap:32 MPV/90000\r\na=extmap:1 urn:ietf:params:rtp-hdrext:sdes:mid\r\n";
-
-async fn setup_call() -> Result<CallSetup> {
-    let mut tcm = TestContextManager::new();
-    let alice = tcm.alice().await;
-    let alice2 = tcm.alice().await;
-    let bob = tcm.bob().await;
-    let bob2 = tcm.bob().await;
-    for t in [&alice, &alice2, &bob, &bob2] {
-        t.set_config_bool(Config::SyncMsgs, true).await?;
-    }
-
-    // Alice creates a chat with Bob and places an outgoing call there.
-    // Alice's other device sees the same message as an outgoing call.
-    let alice_chat = alice.create_chat(&bob).await;
-
-    // Create chat on Bob's side
-    // so incoming call causes a notification.
-    bob.create_chat(&alice).await;
-    bob2.create_chat(&alice).await;
-
-    let test_msg_id = alice
-        .place_outgoing_call(alice_chat.id, PLACE_INFO.to_string())
-        .await?;
-    let sent1 = alice.pop_sent_msg().await;
-    assert_eq!(sent1.sender_msg_id, test_msg_id);
-    let alice_call = Message::load_from_db(&alice, sent1.sender_msg_id).await?;
-    let alice2_call = alice2.recv_msg(&sent1).await;
-    for (t, m) in [(&alice, &alice_call), (&alice2, &alice2_call)] {
-        assert!(!m.is_info());
-        assert_eq!(m.viewtype, Viewtype::Call);
-        let info = t
-            .load_call_by_id(m.id)
-            .await?
-            .expect("m should be a call message");
-        assert!(!info.is_incoming());
-        assert!(!info.is_accepted());
-        assert_eq!(info.place_call_info, PLACE_INFO);
-        assert_text(t, m.id, "Outgoing call").await?;
-        assert_eq!(call_state(t, m.id).await?, CallState::Alerting);
-    }
-
-    // Bob receives the message referring to the call on two devices;
-    // it is an incoming call from the view of Bob
-    let bob_call = bob.recv_msg(&sent1).await;
-    let bob2_call = bob2.recv_msg(&sent1).await;
-    for (t, m) in [(&bob, &bob_call), (&bob2, &bob2_call)] {
-        assert!(!m.is_info());
-        assert_eq!(m.viewtype, Viewtype::Call);
-        t.evtracker
-            .get_matching(|evt| matches!(evt, EventType::IncomingCall { .. }))
-            .await;
-        let info = t
-            .load_call_by_id(m.id)
-            .await?
-            .expect("IncomingCall event should refer to a call message");
-        assert!(info.is_incoming());
-        assert!(!info.is_accepted());
-        assert_eq!(info.place_call_info, PLACE_INFO);
-        assert_text(t, m.id, "Incoming call").await?;
-        assert_eq!(call_state(t, m.id).await?, CallState::Alerting);
-    }
-
-    Ok(CallSetup {
-        alice,
-        alice2,
-        alice_call,
-        alice2_call,
-        bob,
-        bob2,
-        bob_call,
-        bob2_call,
-    })
-}
-
-async fn accept_call() -> Result<CallSetup> {
-    let CallSetup {
-        alice,
-        alice2,
-        alice_call,
-        alice2_call,
-        bob,
-        bob2,
-        bob_call,
-        bob2_call,
-    } = setup_call().await?;
-
-    // Bob accepts the incoming call
-    bob.accept_incoming_call(bob_call.id, ACCEPT_INFO.to_string())
-        .await?;
-    assert_text(&bob, bob_call.id, "Incoming call").await?;
-    bob.evtracker
-        .get_matching(|evt| matches!(evt, EventType::IncomingCallAccepted { .. }))
-        .await;
-    let sent2 = bob.pop_sent_msg().await;
-    let info = bob
-        .load_call_by_id(bob_call.id)
-        .await?
-        .expect("bob_call should be a call message");
-    assert!(info.is_accepted());
-    assert_eq!(info.place_call_info, PLACE_INFO);
-    assert_eq!(call_state(&bob, bob_call.id).await?, CallState::Active);
-
-    bob2.recv_msg_trash(&sent2).await;
-    assert_text(&bob, bob_call.id, "Incoming call").await?;
-    bob2.evtracker
-        .get_matching(|evt| matches!(evt, EventType::IncomingCallAccepted { .. }))
-        .await;
-    let info = bob2
-        .load_call_by_id(bob2_call.id)
-        .await?
-        .expect("bob2_call should be a call message");
-    assert!(info.is_accepted());
-    assert_eq!(call_state(&bob2, bob2_call.id).await?, CallState::Active);
-
-    // Alice receives the acceptance message
-    alice.recv_msg_trash(&sent2).await;
-    assert_text(&alice, alice_call.id, "Outgoing call").await?;
-    let ev = alice
-        .evtracker
-        .get_matching(|evt| matches!(evt, EventType::OutgoingCallAccepted { .. }))
-        .await;
-    assert_eq!(
-        ev,
-        EventType::OutgoingCallAccepted {
-            msg_id: alice_call.id,
-            chat_id: alice_call.chat_id,
-            accept_call_info: ACCEPT_INFO.to_string()
-        }
-    );
-    let info = alice
-        .load_call_by_id(alice_call.id)
-        .await?
-        .expect("alice_call should be a call message");
-    assert!(info.is_accepted());
-    assert_eq!(info.place_call_info, PLACE_INFO);
-    assert_eq!(call_state(&alice, alice_call.id).await?, CallState::Active);
-
-    alice2.recv_msg_trash(&sent2).await;
-    assert_text(&alice2, alice2_call.id, "Outgoing call").await?;
-    alice2
-        .evtracker
-        .get_matching(|evt| matches!(evt, EventType::OutgoingCallAccepted { .. }))
-        .await;
-    assert_eq!(
-        call_state(&alice2, alice2_call.id).await?,
-        CallState::Active
-    );
-
-    Ok(CallSetup {
-        alice,
-        alice2,
-        alice_call,
-        alice2_call,
-        bob,
-        bob2,
-        bob_call,
-        bob2_call,
-    })
-}
-
-#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
-async fn test_accept_call_callee_ends() -> Result<()> {
-    // Alice calls Bob, Bob accepts
-    let CallSetup {
-        alice,
-        alice_call,
-        alice2,
-        alice2_call,
-        bob,
-        bob2,
-        bob_call,
-        bob2_call,
-        ..
-    } = accept_call().await?;
-
-    // Bob has accepted the call and also ends it
-    bob.end_call(bob_call.id).await?;
-    assert_text(&bob, bob_call.id, "Incoming call\n<1 minute").await?;
-    bob.evtracker
-        .get_matching(|evt| matches!(evt, EventType::CallEnded { .. }))
-        .await;
-    let sent3 = bob.pop_sent_msg().await;
-    assert!(matches!(
-        call_state(&bob, bob_call.id).await?,
-        CallState::Completed { .. }
-    ));
-
-    bob2.recv_msg_trash(&sent3).await;
-    assert_text(&bob2, bob2_call.id, "Incoming call\n<1 minute").await?;
-    bob2.evtracker
-        .get_matching(|evt| matches!(evt, EventType::CallEnded { .. }))
-        .await;
-    assert!(matches!(
-        call_state(&bob2, bob2_call.id).await?,
-        CallState::Completed { .. }
-    ));
-
-    // Alice receives the ending message
-    alice.recv_msg_trash(&sent3).await;
-    assert_text(&alice, alice_call.id, "Outgoing call\n<1 minute").await?;
-    alice
-        .evtracker
-        .get_matching(|evt| matches!(evt, EventType::CallEnded { .. }))
-        .await;
-    assert!(matches!(
-        call_state(&alice, alice_call.id).await?,
-        CallState::Completed { .. }
-    ));
-
-    alice2.recv_msg_trash(&sent3).await;
-    assert_text(&alice2, alice2_call.id, "Outgoing call\n<1 minute").await?;
-    alice2
-        .evtracker
-        .get_matching(|evt| matches!(evt, EventType::CallEnded { .. }))
-        .await;
-    assert!(matches!(
-        call_state(&alice2, alice2_call.id).await?,
-        CallState::Completed { .. }
-    ));
-
-    Ok(())
-}
-
-#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
-async fn test_accept_call_caller_ends() -> Result<()> {
-    // Alice calls Bob, Bob accepts
-    let CallSetup {
-        alice,
-        alice_call,
-        alice2,
-        alice2_call,
-        bob,
-        bob2,
-        bob_call,
-        bob2_call,
-        ..
-    } = accept_call().await?;
-
-    // Bob has accepted the call but Alice ends it
-    alice.end_call(alice_call.id).await?;
-    assert_text(&alice, alice_call.id, "Outgoing call\n<1 minute").await?;
-    alice
-        .evtracker
-        .get_matching(|evt| matches!(evt, EventType::CallEnded { .. }))
-        .await;
-    let sent3 = alice.pop_sent_msg().await;
-    assert!(matches!(
-        call_state(&alice, alice_call.id).await?,
-        CallState::Completed { .. }
-    ));
-
-    alice2.recv_msg_trash(&sent3).await;
-    assert_text(&alice2, alice2_call.id, "Outgoing call\n<1 minute").await?;
-    alice2
-        .evtracker
-        .get_matching(|evt| matches!(evt, EventType::CallEnded { .. }))
-        .await;
-    assert!(matches!(
-        call_state(&alice2, alice2_call.id).await?,
-        CallState::Completed { .. }
-    ));
-
-    // Bob receives the ending message
-    bob.recv_msg_trash(&sent3).await;
-    assert_text(&bob, bob_call.id, "Incoming call\n<1 minute").await?;
-    bob.evtracker
-        .get_matching(|evt| matches!(evt, EventType::CallEnded { .. }))
-        .await;
-    assert!(matches!(
-        call_state(&bob, bob_call.id).await?,
-        CallState::Completed { .. }
-    ));
-
-    bob2.recv_msg_trash(&sent3).await;
-    assert_text(&bob2, bob2_call.id, "Incoming call\n<1 minute").await?;
-    bob2.evtracker
-        .get_matching(|evt| matches!(evt, EventType::CallEnded { .. }))
-        .await;
-    assert!(matches!(
-        call_state(&bob2, bob2_call.id).await?,
-        CallState::Completed { .. }
-    ));
-
-    Ok(())
-}
-
-#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
-async fn test_callee_rejects_call() -> Result<()> {
-    // Alice calls Bob
-    let CallSetup {
-        alice,
-        alice2,
-        alice_call,
-        alice2_call,
-        bob,
-        bob2,
-        bob_call,
-        bob2_call,
-        ..
-    } = setup_call().await?;
-
-    // Bob has accepted Alice before, but does not want to talk with Alice
-    bob_call.chat_id.accept(&bob).await?;
-    bob.end_call(bob_call.id).await?;
-    assert_text(&bob, bob_call.id, "Declined call").await?;
-    bob.evtracker
-        .get_matching(|evt| matches!(evt, EventType::CallEnded { .. }))
-        .await;
-    let sent3 = bob.pop_sent_msg().await;
-    assert_eq!(call_state(&bob, bob_call.id).await?, CallState::Declined);
-
-    bob2.recv_msg_trash(&sent3).await;
-    assert_text(&bob2, bob2_call.id, "Declined call").await?;
-    bob2.evtracker
-        .get_matching(|evt| matches!(evt, EventType::CallEnded { .. }))
-        .await;
-    assert_eq!(call_state(&bob2, bob2_call.id).await?, CallState::Declined);
-
-    // Alice receives decline message
-    alice.recv_msg_trash(&sent3).await;
-    assert_text(&alice, alice_call.id, "Declined call").await?;
-    alice
-        .evtracker
-        .get_matching(|evt| matches!(evt, EventType::CallEnded { .. }))
-        .await;
-    assert_eq!(
-        call_state(&alice, alice_call.id).await?,
-        CallState::Declined
-    );
-
-    alice2.recv_msg_trash(&sent3).await;
-    assert_text(&alice2, alice2_call.id, "Declined call").await?;
-    alice2
-        .evtracker
-        .get_matching(|evt| matches!(evt, EventType::CallEnded { .. }))
-        .await;
-    assert_eq!(
-        call_state(&alice2, alice2_call.id).await?,
-        CallState::Declined
-    );
-
-    Ok(())
-}
-
-#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
-async fn test_caller_cancels_call() -> Result<()> {
-    // Alice calls Bob
-    let CallSetup {
-        alice,
-        alice2,
-        alice_call,
-        alice2_call,
-        bob,
-        bob2,
-        bob_call,
-        bob2_call,
-        ..
-    } = setup_call().await?;
-
-    // Alice changes their mind before Bob picks up
-    alice.end_call(alice_call.id).await?;
-    assert_text(&alice, alice_call.id, "Canceled call").await?;
-    alice
-        .evtracker
-        .get_matching(|evt| matches!(evt, EventType::CallEnded { .. }))
-        .await;
-    let sent3 = alice.pop_sent_msg().await;
-    assert_eq!(
-        call_state(&alice, alice_call.id).await?,
-        CallState::Canceled
-    );
-
-    alice2.recv_msg_trash(&sent3).await;
-    assert_text(&alice2, alice2_call.id, "Canceled call").await?;
-    alice2
-        .evtracker
-        .get_matching(|evt| matches!(evt, EventType::CallEnded { .. }))
-        .await;
-    assert_eq!(
-        call_state(&alice2, alice2_call.id).await?,
-        CallState::Canceled
-    );
-
-    // Bob receives the ending message
-    bob.recv_msg_trash(&sent3).await;
-    assert_text(&bob, bob_call.id, "Missed call").await?;
-    bob.evtracker
-        .get_matching(|evt| matches!(evt, EventType::CallEnded { .. }))
-        .await;
-    assert_eq!(call_state(&bob, bob_call.id).await?, CallState::Missed);
-
-    // Test that message summary says it is a missed call.
-    let bob_call_msg = Message::load_from_db(&bob, bob_call.id).await?;
-    let summary = bob_call_msg.get_summary(&bob, None).await?;
-    assert_eq!(summary.text, "📞 Missed call");
-
-    bob2.recv_msg_trash(&sent3).await;
-    assert_text(&bob2, bob2_call.id, "Missed call").await?;
-    bob2.evtracker
-        .get_matching(|evt| matches!(evt, EventType::CallEnded { .. }))
-        .await;
-    assert_eq!(call_state(&bob2, bob2_call.id).await?, CallState::Missed);
-
-    Ok(())
-}
-
-#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
-async fn test_is_stale_call() -> Result<()> {
-    // a call started now is not stale
-    let call_info = CallInfo {
-        msg: Message {
-            timestamp_sent: time(),
-            ..Default::default()
-        },
-        ..Default::default()
-    };
-    assert!(!call_info.is_stale());
-    let remaining_seconds = call_info.remaining_ring_seconds();
-    assert!(remaining_seconds == RINGING_SECONDS || remaining_seconds == RINGING_SECONDS - 1);
-
-    // call started 5 seconds ago, this is not stale as well
-    let call_info = CallInfo {
-        msg: Message {
-            timestamp_sent: time() - 5,
-            ..Default::default()
-        },
-        ..Default::default()
-    };
-    assert!(!call_info.is_stale());
-    let remaining_seconds = call_info.remaining_ring_seconds();
-    assert!(remaining_seconds == RINGING_SECONDS - 5 || remaining_seconds == RINGING_SECONDS - 6);
-
-    // a call started one hour ago is clearly stale
-    let call_info = CallInfo {
-        msg: Message {
-            timestamp_sent: time() - 3600,
-            ..Default::default()
-        },
-        ..Default::default()
-    };
-    assert!(call_info.is_stale());
-    assert_eq!(call_info.remaining_ring_seconds(), 0);
-
-    Ok(())
-}
-
-#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
-async fn test_mark_calls() -> Result<()> {
-    let CallSetup {
-        alice, alice_call, ..
-    } = setup_call().await?;
-
-    let mut call_info: CallInfo = alice
-        .load_call_by_id(alice_call.id)
-        .await?
-        .expect("alice_call should be a call message");
-    assert!(!call_info.is_accepted());
-    assert!(!call_info.is_ended());
-    call_info.mark_as_accepted(&alice).await?;
-    assert!(call_info.is_accepted());
-    assert!(!call_info.is_ended());
-
-    let mut call_info: CallInfo = alice
-        .load_call_by_id(alice_call.id)
-        .await?
-        .expect("alice_call should be a call message");
-    assert!(call_info.is_accepted());
-    assert!(!call_info.is_ended());
-
-    call_info.mark_as_ended(&alice).await?;
-    assert!(call_info.is_accepted());
-    assert!(call_info.is_ended());
-
-    Ok(())
-}
-
-#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
-async fn test_update_call_text() -> Result<()> {
-    let CallSetup {
-        alice, alice_call, ..
-    } = setup_call().await?;
-
-    let call_info = alice
-        .load_call_by_id(alice_call.id)
-        .await?
-        .expect("alice_call should be a call message");
-    call_info.update_text(&alice, "foo bar").await?;
-
-    let alice_call = Message::load_from_db(&alice, alice_call.id).await?;
-    assert_eq!(alice_call.get_text(), "foo bar");
-
-    Ok(())
-}
-
-#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
-async fn test_sdp_has_video() {
-    assert!(sdp_has_video("foobar").is_err());
-    assert_eq!(sdp_has_video(PLACE_INFO).unwrap(), false);
-    assert_eq!(sdp_has_video(PLACE_INFO_VIDEO).unwrap(), true);
-}
-
-/// Tests that calls are forwarded as text messages.
-#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
-async fn test_forward_call() -> Result<()> {
-    let mut tcm = TestContextManager::new();
-    let alice = &tcm.alice().await;
-    let bob = &tcm.bob().await;
-    let charlie = &tcm.charlie().await;
-
-    let alice_bob_chat = alice.create_chat(bob).await;
-    let alice_msg_id = alice
-        .place_outgoing_call(alice_bob_chat.id, PLACE_INFO.to_string())
-        .await
-        .context("Failed to place a call")?;
-    let alice_call = Message::load_from_db(alice, alice_msg_id).await?;
-
-    let _alice_sent_call = alice.pop_sent_msg().await;
-    assert_eq!(alice_call.viewtype, Viewtype::Call);
-
-    let alice_charlie_chat = alice.create_chat(charlie).await;
-    forward_msgs(alice, &[alice_call.id], alice_charlie_chat.id).await?;
-    let alice_forwarded_call = alice.pop_sent_msg().await;
-    let alice_forwarded_call_msg = alice_forwarded_call.load_from_db().await;
-    assert_eq!(alice_forwarded_call_msg.viewtype, Viewtype::Text);
-
-    let charlie_forwarded_call = charlie.recv_msg(&alice_forwarded_call).await;
-    assert_eq!(charlie_forwarded_call.viewtype, Viewtype::Text);
-
-    Ok(())
-}
-
-/// Tests that "end call" message referring
-/// to a text message does not make receive_imf fail.
-#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
-async fn test_end_text_call() -> Result<()> {
-    let mut tcm = TestContextManager::new();
-    let alice = &tcm.alice().await;
-
-    let received1 = receive_imf(
-        alice,
-        b"From: bob@example.net\n\
-        To: alice@example.org\n\
-        Message-ID: <first@example.net>\n\
-        Date: Sun, 22 Mar 2020 22:37:57 +0000\n\
-        Chat-Version: 1.0\n\
-        \n\
-        Hello\n",
-        false,
-    )
-    .await?
-    .unwrap();
-    assert_eq!(received1.msg_ids.len(), 1);
-    let msg = Message::load_from_db(alice, received1.msg_ids[0])
-        .await
-        .unwrap();
-    assert_eq!(msg.viewtype, Viewtype::Text);
-
-    // Receiving "Call ended" message that refers
-    // to the text message does not result in an error.
-    let received2 = receive_imf(
-        alice,
-        b"From: bob@example.net\n\
-        To: alice@example.org\n\
-        Message-ID: <second@example.net>\n\
-        Date: Sun, 22 Mar 2020 23:37:57 +0000\n\
-        In-Reply-To: <first@example.net>\n\
-        Chat-Version: 1.0\n\
-        Chat-Content: call-ended\n\
-        \n\
-        Call ended\n",
-        false,
-    )
-    .await?
-    .unwrap();
-    assert_eq!(received2.msg_ids.len(), 1);
-    assert_eq!(received2.chat_id, DC_CHAT_ID_TRASH);
-
-    Ok(())
-}
-
-/// Tests that partially downloaded "call ended"
-/// messages are not processed.
-#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
-async fn test_no_partial_calls() -> Result<()> {
-    let mut tcm = TestContextManager::new();
-    let alice = &tcm.alice().await;
-
-    let seen = false;
-
-    // The messages in the test
-    // have no `Date` on purpose,
-    // so they are treated as new.
-    let received_call = receive_imf(
-        alice,
-        b"From: bob@example.net\n\
-        To: alice@example.org\n\
-        Message-ID: <first@example.net>\n\
-        Chat-Version: 1.0\n\
-        Chat-Content: call\n\
-        Chat-Webrtc-Room: YWFhYWFhYWFhCg==\n\
-        \n\
-        Hello, this is a call\n",
-        seen,
-    )
-    .await?
-    .unwrap();
-    assert_eq!(received_call.msg_ids.len(), 1);
-    let call_msg = Message::load_from_db(alice, received_call.msg_ids[0])
-        .await
-        .unwrap();
-    assert_eq!(call_msg.viewtype, Viewtype::Call);
-    assert_eq!(call_state(alice, call_msg.id).await?, CallState::Alerting);
-
-    let imf_raw = b"From: bob@example.net\n\
-        To: alice@example.org\n\
-        Message-ID: <second@example.net>\n\
-        In-Reply-To: <first@example.net>\n\
-        Chat-Version: 1.0\n\
-        Chat-Content: call-ended\n\
-        \n\
-        Call ended\n";
-    receive_imf_from_inbox(
-        alice,
-        "second@example.net",
-        imf_raw,
-        seen,
-        Some(imf_raw.len().try_into().unwrap()),
-    )
-    .await?;
-
-    // The call is still not ended.
-    assert_eq!(call_state(alice, call_msg.id).await?, CallState::Alerting);
-
-    // Fully downloading the message ends the call.
-    receive_imf_from_inbox(alice, "second@example.net", imf_raw, seen, None)
-        .await
-        .context("Failed to fully download end call message")?;
-    assert_eq!(call_state(alice, call_msg.id).await?, CallState::Missed);
-
-    Ok(())
-}
--- a/src/chat.rs
+++ b/src/chat.rs
--- a/src/chat/chat_tests.rs
+++ b/src/chat/chat_tests.rs
--- a/src/chatlist.rs
+++ b/src/chatlist.rs
@@ -245,6 +245,9 @@ impl Chatlist {
                    .collect::<std::result::Result<Vec<_>, _>>()
                    .map_err(Into::into)
                };
+                // Return ProtectionBroken chats also, as that may happen to a verified chat at any
+                // time. It may be confusing if a chat that is normally in the list disappears
+                // suddenly. The UI need to deal with that case anyway.
                context.sql.query_map(
                    "SELECT c.id, c.type, c.param, m.id
                     FROM chats c
@@ -481,23 +484,27 @@ mod tests {
    use super::*;
    use crate::chat::save_msgs;
    use crate::chat::{
-        add_contact_to_chat, create_group, get_chat_contacts, remove_contact_from_chat,
-        send_text_msg,
+        ProtectionStatus, add_contact_to_chat, create_group_chat, get_chat_contacts,
+        remove_contact_from_chat, send_text_msg,
    };
    use crate::receive_imf::receive_imf;
    use crate::stock_str::StockMessage;
    use crate::test_utils::TestContext;
    use crate::test_utils::TestContextManager;
-    use crate::tools::SystemTime;
-    use std::time::Duration;

    #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
    async fn test_try_load() {
        let mut tcm = TestContextManager::new();
        let bob = &tcm.bob().await;
-        let chat_id1 = create_group(bob, "a chat").await.unwrap();
-        let chat_id2 = create_group(bob, "b chat").await.unwrap();
-        let chat_id3 = create_group(bob, "c chat").await.unwrap();
+        let chat_id1 = create_group_chat(bob, ProtectionStatus::Unprotected, "a chat")
+            .await
+            .unwrap();
+        let chat_id2 = create_group_chat(bob, ProtectionStatus::Unprotected, "b chat")
+            .await
+            .unwrap();
+        let chat_id3 = create_group_chat(bob, ProtectionStatus::Unprotected, "c chat")
+            .await
+            .unwrap();

        // check that the chatlist starts with the most recent message
        let chats = Chatlist::try_load(bob, 0, None, None).await.unwrap();
@@ -506,8 +513,6 @@ mod tests {
        assert_eq!(chats.get_chat_id(1).unwrap(), chat_id2);
        assert_eq!(chats.get_chat_id(2).unwrap(), chat_id1);

-        SystemTime::shift(Duration::from_secs(5));
-
        // New drafts are sorted to the top
        // We have to set a draft on the other two messages, too, as
        // chat timestamps are only exact to the second and sorting by timestamp
@@ -530,7 +535,9 @@ mod tests {

        // receive a message from alice
        let alice = &tcm.alice().await;
-        let alice_chat_id = create_group(alice, "alice chat").await.unwrap();
+        let alice_chat_id = create_group_chat(alice, ProtectionStatus::Unprotected, "alice chat")
+            .await
+            .unwrap();
        add_contact_to_chat(
            alice,
            alice_chat_id,
@@ -568,7 +575,9 @@ mod tests {
    async fn test_sort_self_talk_up_on_forward() {
        let t = TestContext::new_alice().await;
        t.update_device_chats().await.unwrap();
-        create_group(&t, "a chat").await.unwrap();
+        create_group_chat(&t, ProtectionStatus::Unprotected, "a chat")
+            .await
+            .unwrap();

        let chats = Chatlist::try_load(&t, 0, None, None).await.unwrap();
        assert_eq!(chats.len(), 3);
@@ -755,7 +764,9 @@ mod tests {
    #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
    async fn test_get_summary_unwrap() {
        let t = TestContext::new().await;
-        let chat_id1 = create_group(&t, "a chat").await.unwrap();
+        let chat_id1 = create_group_chat(&t, ProtectionStatus::Unprotected, "a chat")
+            .await
+            .unwrap();

        let mut msg = Message::new_text("foo:\nbar \r\n test".to_string());
        chat_id1.set_draft(&t, Some(&mut msg)).await.unwrap();
@@ -771,7 +782,9 @@ mod tests {
    async fn test_get_summary_deleted_draft() {
        let t = TestContext::new().await;

-        let chat_id = create_group(&t, "a chat").await.unwrap();
+        let chat_id = create_group_chat(&t, ProtectionStatus::Unprotected, "a chat")
+            .await
+            .unwrap();
        let mut msg = Message::new_text("Foobar".to_string());
        chat_id.set_draft(&t, Some(&mut msg)).await.unwrap();

@@ -810,9 +823,15 @@ mod tests {
    #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
    async fn test_load_broken() {
        let t = TestContext::new_bob().await;
-        let chat_id1 = create_group(&t, "a chat").await.unwrap();
-        create_group(&t, "b chat").await.unwrap();
-        create_group(&t, "c chat").await.unwrap();
+        let chat_id1 = create_group_chat(&t, ProtectionStatus::Unprotected, "a chat")
+            .await
+            .unwrap();
+        create_group_chat(&t, ProtectionStatus::Unprotected, "b chat")
+            .await
+            .unwrap();
+        create_group_chat(&t, ProtectionStatus::Unprotected, "c chat")
+            .await
+            .unwrap();

        // check that the chatlist starts with the most recent message
        let chats = Chatlist::try_load(&t, 0, None, None).await.unwrap();
--- a/src/color.rs
+++ b/src/color.rs
@@ -1,39 +1,38 @@
-//! Color generation.
+//! Implementation of Consistent Color Generation.
 //!
-//! This is similar to Consistent Color Generation defined in XEP-0392,
-//! but uses OKLCh colorspace instead of HSLuv
-//! to ensure that colors have the same lightness.
-use colorutils_rs::{Oklch, Rgb, TransferFunction};
+//! Consistent Color Generation is defined in XEP-0392.
+//!
+//! Color Vision Deficiency correction is not implemented as Delta Chat does not offer
+//! corresponding settings.
+use hsluv::hsluv_to_rgb;
 use sha1::{Digest, Sha1};

 /// Converts an identifier to Hue angle.
-fn str_to_angle(s: &str) -> f32 {
+fn str_to_angle(s: &str) -> f64 {
    let bytes = s.as_bytes();
    let result = Sha1::digest(bytes);
    let checksum: u16 = result.first().map_or(0, |&x| u16::from(x))
        + 256 * result.get(1).map_or(0, |&x| u16::from(x));
-    f32::from(checksum) / 65536.0 * 360.0
+    f64::from(checksum) / 65536.0 * 360.0
 }

 /// Converts RGB tuple to a 24-bit number.
 ///
 /// Returns a 24-bit number with 8 least significant bits corresponding to the blue color and 8
 /// most significant bits corresponding to the red color.
-fn rgb_to_u32(rgb: Rgb<u8>) -> u32 {
-    65536 * u32::from(rgb.r) + 256 * u32::from(rgb.g) + u32::from(rgb.b)
+fn rgb_to_u32((r, g, b): (f64, f64, f64)) -> u32 {
+    let r = ((r * 256.0) as u32).min(255);
+    let g = ((g * 256.0) as u32).min(255);
+    let b = ((b * 256.0) as u32).min(255);
+    65536 * r + 256 * g + b
 }

 /// Converts an identifier to RGB color.
 ///
-/// Lightness is set to half (0.5) to make colors suitable both for light and dark theme.
+/// Saturation is set to maximum (100.0) to make colors distinguishable, and lightness is set to
+/// half (50.0) to make colors suitable both for light and dark theme.
 pub fn str_to_color(s: &str) -> u32 {
-    let lightness = 0.5;
-    let chroma = 0.23;
-    let angle = str_to_angle(s);
-    let oklch = Oklch::new(lightness, chroma, angle);
-    let rgb = oklch.to_rgb(TransferFunction::Srgb);
-
-    rgb_to_u32(rgb)
+    rgb_to_u32(hsluv_to_rgb((str_to_angle(s), 100.0, 50.0)))
 }

 /// Returns color as a "#RRGGBB" `String` where R, G, B are hex digits.
@@ -46,7 +45,6 @@ mod tests {
    use super::*;

    #[test]
-    #[allow(clippy::excessive_precision)]
    fn test_str_to_angle() {
        // Test against test vectors from
        // <https://xmpp.org/extensions/xep-0392.html#testvectors-fullrange-no-cvd>
@@ -59,11 +57,11 @@ mod tests {

    #[test]
    fn test_rgb_to_u32() {
-        assert_eq!(rgb_to_u32(Rgb::new(0, 0, 0)), 0);
-        assert_eq!(rgb_to_u32(Rgb::new(0xff, 0xff, 0xff)), 0xffffff);
-        assert_eq!(rgb_to_u32(Rgb::new(0, 0, 0xff)), 0x0000ff);
-        assert_eq!(rgb_to_u32(Rgb::new(0, 0xff, 0)), 0x00ff00);
-        assert_eq!(rgb_to_u32(Rgb::new(0xff, 0, 0)), 0xff0000);
-        assert_eq!(rgb_to_u32(Rgb::new(0xff, 0x80, 0)), 0xff8000);
+        assert_eq!(rgb_to_u32((0.0, 0.0, 0.0)), 0);
+        assert_eq!(rgb_to_u32((1.0, 1.0, 1.0)), 0xffffff);
+        assert_eq!(rgb_to_u32((0.0, 0.0, 1.0)), 0x0000ff);
+        assert_eq!(rgb_to_u32((0.0, 1.0, 0.0)), 0x00ff00);
+        assert_eq!(rgb_to_u32((1.0, 0.0, 0.0)), 0xff0000);
+        assert_eq!(rgb_to_u32((1.0, 0.5, 0.0)), 0xff8000);
    }
 }
--- a/src/config.rs
+++ b/src/config.rs
@@ -14,15 +14,15 @@ use tokio::fs;

 use crate::blob::BlobObject;
 use crate::configure::EnteredLoginParam;
+use crate::constants;
 use crate::context::Context;
 use crate::events::EventType;
 use crate::log::{LogExt, info};
+use crate::login_param::ConfiguredLoginParam;
 use crate::mimefactory::RECOMMENDED_FILE_SIZE;
 use crate::provider::{Provider, get_provider_by_id};
 use crate::sync::{self, Sync::*, SyncData};
 use crate::tools::get_abs_path;
-use crate::transport::ConfiguredLoginParam;
-use crate::{constants, stats};

 /// The available configuration keys.
 #[derive(
@@ -151,11 +151,19 @@ pub enum Config {
    /// setting up a second device, or receiving a sync message.
    BccSelf,

+    /// True if encryption is preferred according to Autocrypt standard.
+    #[strum(props(default = "1"))]
+    E2eeEnabled,
+
    /// True if Message Delivery Notifications (read receipts) should
    /// be sent and requested.
    #[strum(props(default = "1"))]
    MdnsEnabled,

+    /// True if "Sent" folder should be watched for changes.
+    #[strum(props(default = "0"))]
+    SentboxWatch,
+
    /// True if chat messages should be moved to a separate folder. Auto-sent messages like sync
    /// ones are moved there anyway.
    #[strum(props(default = "1"))]
@@ -281,6 +289,9 @@ pub enum Config {
    /// Configured folder for chat messages.
    ConfiguredMvboxFolder,

+    /// Configured "Sent" folder.
+    ConfiguredSentboxFolder,
+
    /// Configured "Trash" folder.
    ConfiguredTrashFolder,

@@ -339,6 +350,9 @@ pub enum Config {
    /// Unset, when quota falls below minimal warning threshold again.
    QuotaExceeding,

+    /// address to webrtc instance to use for videochats
+    WebrtcInstance,
+
    /// Timestamp of the last time housekeeping was run
    LastHousekeeping,

@@ -382,6 +396,12 @@ pub enum Config {
    /// Make all outgoing messages with Autocrypt header "multipart/signed".
    SignUnencrypted,

+    /// Enable header protection for `Autocrypt` header.
+    ///
+    /// This is an experimental setting not compatible to other MUAs
+    /// and older Delta Chat versions (core version <= v1.149.0).
+    ProtectAutocrypt,
+
    /// Let the core save all events to the database.
    /// This value is used internally to remember the MsgId of the logging xdc
    #[strum(props(default = "0"))]
@@ -397,26 +417,23 @@ pub enum Config {
    #[strum(props(default = "172800"))]
    GossipPeriod,

+    /// Deprecated 2025-07. Feature flag for verified 1:1 chats; the UI should set it
+    /// to 1 if it supports verified 1:1 chats.
+    /// Regardless of this setting, `chat.is_protected()` returns true while the key is verified,
+    /// and when the key changes, an info message is posted into the chat.
+    /// 0=Nothing else happens when the key changes.
+    /// 1=After the key changed, `can_send()` returns false and `is_protection_broken()` returns true
+    /// until `chat_id.accept()` is called.
+    #[strum(props(default = "0"))]
+    VerifiedOneOnOneChats,
+
    /// Row ID of the key in the `keypairs` table
    /// used for signatures, encryption to self and included in `Autocrypt` header.
    KeyId,

-    /// Send statistics to Delta Chat's developers.
-    /// Can be exposed to the user as a setting.
-    StatsSending,
-
-    /// Last time statistics were sent to Delta Chat's developers
-    StatsLastSent,
-
-    /// Last time `update_message_stats()` was called
-    StatsLastUpdate,
-
-    /// This key is sent to the statistics bot so that the bot can recognize the user
+    /// This key is sent to the self_reporting bot so that the bot can recognize the user
    /// without storing the email address
-    StatsId,
-
-    /// The last contact id that already existed when statistics-sending was enabled for the first time.
-    StatsLastOldContactId,
+    SelfReportingId,

    /// MsgId of webxdc map integration.
    WebxdcIntegration,
@@ -437,9 +454,6 @@ pub enum Config {
    /// to avoid encrypting it differently and
    /// storing the same token multiple times on the server.
    EncryptedDeviceToken,
-
-    /// Return an error from `receive_imf_inner()` for a fully downloaded message. For tests.
-    FailOnReceivingFullMsg,
 }

 impl Config {
@@ -466,7 +480,10 @@ impl Config {

    /// Whether the config option needs an IO scheduler restart to take effect.
    pub(crate) fn needs_io_restart(&self) -> bool {
-        matches!(self, Config::MvboxMove | Config::OnlyFetchMvbox)
+        matches!(
+            self,
+            Config::MvboxMove | Config::OnlyFetchMvbox | Config::SentboxWatch
+        )
    }
 }

@@ -579,9 +596,8 @@ impl Context {
    /// Returns boolean configuration value for the given key.
    pub async fn get_config_bool(&self, key: Config) -> Result<bool> {
        Ok(self
-            .get_config(key)
+            .get_config_parsed::<i32>(key)
            .await?
-            .and_then(|s| s.parse::<i32>().ok())
            .map(|x| x != 0)
            .unwrap_or_default())
    }
@@ -593,6 +609,15 @@ impl Context {
            || !self.get_config_bool(Config::IsChatmail).await?)
    }

+    /// Returns true if sentbox ("Sent" folder) should be watched.
+    pub(crate) async fn should_watch_sentbox(&self) -> Result<bool> {
+        Ok(self.get_config_bool(Config::SentboxWatch).await?
+            && self
+                .get_config(Config::ConfiguredSentboxFolder)
+                .await?
+                .is_some())
+    }
+
    /// Returns true if sync messages should be sent.
    pub(crate) async fn should_send_sync_msgs(&self) -> Result<bool> {
        Ok(self.get_config_bool(Config::SyncMsgs).await?
@@ -680,7 +705,9 @@ impl Context {
            Config::Socks5Enabled
            | Config::ProxyEnabled
            | Config::BccSelf
+            | Config::E2eeEnabled
            | Config::MdnsEnabled
+            | Config::SentboxWatch
            | Config::MvboxMove
            | Config::OnlyFetchMvbox
            | Config::DeleteToTrash
@@ -707,18 +734,12 @@ impl Context {
        Self::check_config(key, value)?;

        let _pause = match key.needs_io_restart() {
-            true => self.scheduler.pause(self).await?,
+            true => self.scheduler.pause(self.clone()).await?,
            _ => Default::default(),
        };
-        if key == Config::StatsSending {
-            let old_value = self.get_config(key).await?;
-            let old_value = bool_from_config(old_value.as_deref());
-            let new_value = bool_from_config(value);
-            stats::pre_sending_config_change(self, old_value, new_value).await?;
-        }
        self.set_config_internal(key, value).await?;
-        if key == Config::StatsSending {
-            stats::maybe_send_stats(self).await?;
+        if key == Config::SentboxWatch {
+            self.last_full_folder_scan.lock().await.take();
        }
        Ok(())
    }
@@ -871,10 +892,6 @@ pub(crate) fn from_bool(val: bool) -> Option<&'static str> {
    Some(if val { "1" } else { "0" })
 }

-pub(crate) fn bool_from_config(config: Option<&str>) -> bool {
-    config.is_some_and(|v| v.parse::<i32>().unwrap_or_default() != 0)
-}
-
 // Separate impl block for self address handling
 impl Context {
    /// Determine whether the specified addr maps to the/a self addr.
--- a/src/configure.rs
+++ b/src/configure.rs
@@ -28,20 +28,17 @@ use crate::constants::NON_ALPHANUMERIC_WITHOUT_DOT;
 use crate::context::Context;
 use crate::imap::Imap;
 use crate::log::{LogExt, info, warn};
-use crate::login_param::EnteredCertificateChecks;
 pub use crate::login_param::EnteredLoginParam;
+use crate::login_param::{
+    ConfiguredCertificateChecks, ConfiguredLoginParam, ConfiguredServerLoginParam,
+    ConnectionCandidate, EnteredCertificateChecks, ProxyConfig,
+};
 use crate::message::Message;
-use crate::net::proxy::ProxyConfig;
 use crate::oauth2::get_oauth2_addr;
 use crate::provider::{Protocol, Provider, Socket, UsernamePattern};
-use crate::qr::{login_param_from_account_qr, login_param_from_login_qr};
 use crate::smtp::Smtp;
 use crate::sync::Sync::*;
 use crate::tools::time;
-use crate::transport::{
-    ConfiguredCertificateChecks, ConfiguredLoginParam, ConfiguredServerLoginParam,
-    ConnectionCandidate,
-};
 use crate::{EventType, stock_str};
 use crate::{chat, provider};
 use deltachat_contact_tools::addr_cmp;
@@ -120,7 +117,7 @@ impl Context {
        Ok(())
    }

-    pub(crate) async fn add_transport_inner(&self, param: &mut EnteredLoginParam) -> Result<()> {
+    async fn add_transport_inner(&self, param: &mut EnteredLoginParam) -> Result<()> {
        ensure!(
            !self.scheduler.is_running().await,
            "cannot configure, already running"
@@ -140,7 +137,7 @@ impl Context {

        let res = self
            .inner_configure(param)
-            .race(cancel_channel.recv().map(|_| Err(format_err!("Canceled"))))
+            .race(cancel_channel.recv().map(|_| Err(format_err!("Cancelled"))))
            .await;

        self.free_ongoing().await;
@@ -165,15 +162,20 @@ impl Context {
    pub async fn add_transport_from_qr(&self, qr: &str) -> Result<()> {
        self.stop_io().await;

+        // This code first sets the deprecated Config::Addr, Config::MailPw, etc.
+        // and then calls configure(), which loads them again.
+        // At some point, we will remove configure()
+        // and then simplify the code
+        // to directly create an EnteredLoginParam.
        let result = async move {
-            let mut param = match crate::qr::check_qr(self, qr).await? {
-                crate::qr::Qr::Account { .. } => login_param_from_account_qr(self, qr).await?,
+            match crate::qr::check_qr(self, qr).await? {
+                crate::qr::Qr::Account { .. } => crate::qr::set_account_from_qr(self, qr).await?,
                crate::qr::Qr::Login { address, options } => {
-                    login_param_from_login_qr(&address, options)?
+                    crate::qr::configure_from_login_qr(self, &address, options).await?
                }
                _ => bail!("QR code does not contain account"),
-            };
-            self.add_transport_inner(&mut param).await?;
+            }
+            self.configure().await?;
            Ok(())
        }
        .await;
@@ -298,6 +300,8 @@ async fn get_configured_param(
        param.smtp.password.clone()
    };

+    let proxy_enabled = ctx.get_config_bool(Config::ProxyEnabled).await?;
+
    let mut addr = param.addr.clone();
    if param.oauth2 {
        // the used oauth2 addr may differ, check this.
@@ -339,7 +343,7 @@ async fn get_configured_param(
            "checking internal provider-info for offline autoconfig"
        );

-        provider = provider::get_provider_info(&param_domain);
+        provider = provider::get_provider_info(ctx, &param_domain, proxy_enabled).await;
        if let Some(provider) = provider {
            if provider.server.is_empty() {
                info!(ctx, "Offline autoconfig found, but no servers defined.");
@@ -551,6 +555,7 @@ async fn configure(ctx: &Context, param: &EnteredLoginParam) -> Result<Option<&'
        true => ctx.get_config_bool(Config::IsChatmail).await?,
    };
    if is_chatmail {
+        ctx.set_config(Config::SentboxWatch, None).await?;
        ctx.set_config(Config::MvboxMove, Some("0")).await?;
        ctx.set_config(Config::OnlyFetchMvbox, None).await?;
        ctx.set_config(Config::ShowEmails, None).await?;
--- a/src/configure/auto_mozilla.rs
+++ b/src/configure/auto_mozilla.rs
@@ -28,9 +28,8 @@ struct MozAutoconfigure {
    pub outgoing_servers: Vec<Server>,
 }

-#[derive(Debug, Default)]
+#[derive(Debug)]
 enum MozConfigTag {
-    #[default]
    Undefined,
    Hostname,
    Port,
@@ -38,6 +37,12 @@ enum MozConfigTag {
    Username,
 }

+impl Default for MozConfigTag {
+    fn default() -> Self {
+        Self::Undefined
+    }
+}
+
 impl FromStr for MozConfigTag {
    type Err = ();

@@ -101,7 +106,7 @@ fn parse_server<B: BufRead>(
                }
            }
            Event::Text(ref event) => {
-                let val = event.xml_content().unwrap_or_default().trim().to_owned();
+                let val = event.unescape().unwrap_or_default().trim().to_owned();

                match tag_config {
                    MozConfigTag::Hostname => hostname = Some(val),
--- a/src/configure/auto_outlook.rs
+++ b/src/configure/auto_outlook.rs
@@ -79,7 +79,7 @@ fn parse_protocol<B: BufRead>(
                }
            }
            Event::Text(ref e) => {
-                let val = e.xml_content().unwrap_or_default();
+                let val = e.unescape().unwrap_or_default();

                if let Some(ref tag) = current_tag {
                    match tag.as_str() {
@@ -123,7 +123,7 @@ fn parse_redirecturl<B: BufRead>(
    let mut buf = Vec::new();
    match reader.read_event_into(&mut buf)? {
        Event::Text(ref e) => {
-            let val = e.xml_content().unwrap_or_default();
+            let val = e.unescape().unwrap_or_default();
            Ok(val.trim().to_string())
        }
        _ => Ok("".to_string()),
--- a/src/constants.rs
+++ b/src/constants.rs
@@ -60,6 +60,23 @@ pub enum MediaQuality {
    Worse = 1,
 }

+/// Video chat URL type.
+#[derive(
+    Debug, Default, Display, Clone, Copy, PartialEq, Eq, FromPrimitive, ToPrimitive, FromSql, ToSql,
+)]
+#[repr(i8)]
+pub enum VideochatType {
+    /// Unknown type.
+    #[default]
+    Unknown = 0,
+
+    /// [basicWebRTC](https://github.com/cracker0dks/basicwebrtc) instance.
+    BasicWebrtc = 1,
+
+    /// [Jitsi Meet](https://jitsi.org/jitsi-meet/) instance.
+    Jitsi = 2,
+}
+
 pub const DC_HANDSHAKE_CONTINUE_NORMAL_PROCESSING: i32 = 0x01;
 pub const DC_HANDSHAKE_STOP_NORMAL_PROCESSING: i32 = 0x02;
 pub const DC_HANDSHAKE_ADD_DELETE_JOB: i32 = 0x04;
@@ -78,11 +95,10 @@ pub const DC_GCL_ADDRESS: u32 = 0x04;
 pub(crate) const DC_RESEND_USER_AVATAR_DAYS: i64 = 14;

 // warn about an outdated app after a given number of days.
-// reference is the release date.
-// as not all system get speedy updates,
+// as we use the "provider-db generation date" as reference (that might not be updated very often)
+// and as not all system get speedy updates,
 // do not use too small value that will annoy users checking for nonexistent updates.
-// "90 days" has proven to be too short at some point (user were informed but there was no update)
-pub(crate) const DC_OUTDATED_WARNING_DAYS: i64 = 183;
+pub(crate) const DC_OUTDATED_WARNING_DAYS: i64 = 365;

 /// messages that should be deleted get this chat_id; the messages are deleted from the working thread later then. This is also needed as rfc724_mid should be preset as long as the message is not deleted on the server (otherwise it is downloaded again)
 pub const DC_CHAT_ID_TRASH: ChatId = ChatId::new(3);
@@ -101,8 +117,6 @@ pub const DC_CHAT_ID_LAST_SPECIAL: ChatId = ChatId::new(9);
    Copy,
    PartialEq,
    Eq,
-    PartialOrd,
-    Ord,
    FromPrimitive,
    ToPrimitive,
    FromSql,
@@ -120,7 +134,7 @@ pub enum Chattype {

    /// Group chat.
    ///
-    /// Created by [`crate::chat::create_group`].
+    /// Created by [`crate::chat::create_group_chat`].
    Group = 120,

    /// An (unencrypted) mailing list,
@@ -293,4 +307,16 @@ mod tests {
        assert_eq!(MediaQuality::Balanced, MediaQuality::from_i32(0).unwrap());
        assert_eq!(MediaQuality::Worse, MediaQuality::from_i32(1).unwrap());
    }
+
+    #[test]
+    fn test_videochattype_values() {
+        // values may be written to disk and must not change
+        assert_eq!(VideochatType::Unknown, VideochatType::default());
+        assert_eq!(VideochatType::Unknown, VideochatType::from_i32(0).unwrap());
+        assert_eq!(
+            VideochatType::BasicWebrtc,
+            VideochatType::from_i32(1).unwrap()
+        );
+        assert_eq!(VideochatType::Jitsi, VideochatType::from_i32(2).unwrap());
+    }
 }
--- a/src/contact.rs
+++ b/src/contact.rs
@@ -21,7 +21,7 @@ use tokio::task;
 use tokio::time::{Duration, timeout};

 use crate::blob::BlobObject;
-use crate::chat::ChatId;
+use crate::chat::{ChatId, ChatIdBlocked, ProtectionStatus};
 use crate::color::str_to_color;
 use crate::config::Config;
 use crate::constants::{self, Blocked, Chattype};
@@ -36,7 +36,7 @@ use crate::message::MessageState;
 use crate::mimeparser::AvatarAction;
 use crate::param::{Param, Params};
 use crate::sync::{self, Sync::*};
-use crate::tools::{SystemTime, duration_to_str, get_abs_path, time, to_lowercase};
+use crate::tools::{SystemTime, duration_to_str, get_abs_path, time};
 use crate::{chat, chatlist_events, ensure_and_debug_assert_ne, stock_str};

 /// Time during which a contact is considered as seen recently.
@@ -755,19 +755,7 @@ impl Contact {
        self.is_bot
    }

-    /// Looks up a known and unblocked contact with a given e-mail address.
-    /// To get a list of all known and unblocked contacts, use contacts_get_contacts().
-    ///
-    ///
-    /// **POTENTIAL SECURITY ISSUE**: If there are multiple contacts with this address
-    /// (e.g. an address-contact and a key-contact),
-    /// this looks up the most recently seen contact,
-    /// i.e. which contact is returned depends on which contact last sent a message.
-    /// If the user just clicked on a mailto: link, then this is the best thing you can do.
-    /// But **DO NOT** internally represent contacts by their email address
-    /// and do not use this function to look them up;
-    /// otherwise this function will sometimes look up the wrong contact.
-    /// Instead, you should internally represent contacts by their ids.
+    /// Check if an e-mail address belongs to a known and unblocked contact.
    ///
    /// Known and unblocked contacts will be returned by `get_contacts()`.
    ///
@@ -807,28 +795,14 @@ impl Contact {
            .query_get_value(
                "SELECT id FROM contacts
                 WHERE addr=?1 COLLATE NOCASE
-                     AND id>?2 AND origin>=?3 AND (? OR blocked=?)
-                 ORDER BY
-                     (
-                         SELECT COUNT(*) FROM chats c
-                         INNER JOIN chats_contacts cc
-                         ON c.id=cc.chat_id
-                         WHERE c.type=?
-                             AND c.id>?
-                             AND c.blocked=?
-                             AND cc.contact_id=contacts.id
-                     ) DESC,
-                     last_seen DESC, fingerprint DESC
-                 LIMIT 1",
+                 AND fingerprint='' -- Do not lookup key-contacts
+                 AND id>?2 AND origin>=?3 AND (? OR blocked=?)",
                (
                    &addr_normalized,
                    ContactId::LAST_SPECIAL,
                    min_origin as u32,
                    blocked.is_none(),
-                    blocked.unwrap_or(Blocked::Not),
-                    Chattype::Single,
-                    constants::DC_CHAT_ID_LAST_SPECIAL,
-                    blocked.unwrap_or(Blocked::Not),
+                    blocked.unwrap_or_default(),
                ),
            )
            .await?;
@@ -1282,10 +1256,14 @@ impl Contact {

        let list = context
            .sql
-            .query_map_vec(
+            .query_map(
                "SELECT id FROM contacts WHERE id>? AND blocked!=0 ORDER BY last_seen DESC, id DESC;",
                (ContactId::LAST_SPECIAL,),
                |row| row.get::<_, ContactId>(0),
+                |ids| {
+                    ids.collect::<std::result::Result<Vec<_>, _>>()
+                        .map_err(Into::into)
+                },
            )
            .await?;
        Ok(list)
@@ -1560,7 +1538,7 @@ impl Contact {
            return Ok(Some(chat::get_device_icon(context).await?));
        }
        if show_fallback_icon && !self.id.is_special() && !self.is_key_contact() {
-            return Ok(Some(chat::get_unencrypted_icon(context).await?));
+            return Ok(Some(chat::get_address_contact_icon(context).await?));
        }
        if let Some(image_rel) = self.param.get(Param::ProfileImage) {
            if !image_rel.is_empty() {
@@ -1570,10 +1548,12 @@ impl Contact {
        Ok(None)
    }

-    /// Returns a color for the contact.
-    /// See [`self::get_color`].
+    /// Get a color for the contact.
+    /// The color is calculated from the contact's email address
+    /// and can be used for an fallback avatar with white initials
+    /// as well as for headlines in bubbles of group chats.
    pub fn get_color(&self) -> u32 {
-        get_color(self.id == ContactId::SELF, &self.addr, &self.fingerprint())
+        str_to_color(&self.addr.to_lowercase())
    }

    /// Gets the contact's status.
@@ -1639,6 +1619,29 @@ impl Contact {
        }
    }

+    /// Returns if the contact profile title should display a green checkmark.
+    ///
+    /// This generally should be consistent with the 1:1 chat with the contact
+    /// so 1:1 chat with the contact and the contact profile
+    /// either both display the green checkmark or both don't display a green checkmark.
+    ///
+    /// UI often knows beforehand if a chat exists and can also call
+    /// `chat.is_protected()` (if there is a chat)
+    /// or `contact.is_verified()` (if there is no chat) directly.
+    /// This is often easier and also skips some database calls.
+    pub async fn is_profile_verified(&self, context: &Context) -> Result<bool> {
+        let contact_id = self.id;
+
+        if let Some(ChatIdBlocked { id: chat_id, .. }) =
+            ChatIdBlocked::lookup_by_contact(context, contact_id).await?
+        {
+            Ok(chat_id.is_protected(context).await? == ProtectionStatus::Protected)
+        } else {
+            // 1:1 chat does not exist.
+            Ok(self.is_verified(context).await?)
+        }
+    }
+
    /// Returns the number of real (i.e. non-special) contacts in the database.
    pub async fn get_real_cnt(context: &Context) -> Result<usize> {
        if !context.sql.is_open().await {
@@ -1669,21 +1672,6 @@ impl Contact {
    }
 }

-/// Returns a color for a contact having given attributes.
-///
-/// The color is calculated from contact's fingerprint (for key-contacts) or email address (for
-/// address-contacts; should be lowercased to avoid allocation) and can be used for an fallback
-/// avatar with white initials as well as for headlines in bubbles of group chats.
-pub fn get_color(is_self: bool, addr: &str, fingerprint: &Option<Fingerprint>) -> u32 {
-    if let Some(fingerprint) = fingerprint {
-        str_to_color(&fingerprint.hex())
-    } else if is_self {
-        0x808080
-    } else {
-        str_to_color(&to_lowercase(addr))
-    }
-}
-
 // Updates the names of the chats which use the contact name.
 //
 // This is one of the few duplicated data, however, getting the chat list is easier this way.
@@ -1746,7 +1734,8 @@ pub(crate) async fn set_blocked(
 ) -> Result<()> {
    ensure!(
        !contact_id.is_special(),
-        "Can't block special contact {contact_id}"
+        "Can't block special contact {}",
+        contact_id
    );
    let contact = Contact::get_by_id(context, contact_id).await?;

@@ -1786,7 +1775,9 @@ WHERE type=? AND id IN (
        // also unblock mailinglist
        // if the contact is a mailinglist address explicitly created to allow unblocking
        if !new_blocking && contact.origin == Origin::MailinglistAddress {
-            if let Some((chat_id, ..)) = chat::get_chat_id_by_grpid(context, &contact.addr).await? {
+            if let Some((chat_id, _, _)) =
+                chat::get_chat_id_by_grpid(context, &contact.addr).await?
+            {
                chat_id.unblock_ex(context, Nosync).await?;
            }
        }
@@ -1926,21 +1917,16 @@ pub(crate) async fn update_last_seen(
 }

 /// Marks contact `contact_id` as verified by `verifier_id`.
-///
-/// `verifier_id == None` means that the verifier is unknown.
 pub(crate) async fn mark_contact_id_as_verified(
    context: &Context,
    contact_id: ContactId,
-    verifier_id: Option<ContactId>,
+    verifier_id: ContactId,
 ) -> Result<()> {
-    ensure_and_debug_assert_ne!(contact_id, ContactId::SELF,);
    ensure_and_debug_assert_ne!(
-        Some(contact_id),
+        contact_id,
        verifier_id,
        "Contact cannot be verified by self",
    );
-    let by_self = verifier_id == Some(ContactId::SELF);
-    let mut verifier_id = verifier_id.unwrap_or(contact_id);
    context
        .sql
        .transaction(|transaction| {
@@ -1953,33 +1939,20 @@ pub(crate) async fn mark_contact_id_as_verified(
                bail!("Non-key-contact {contact_id} cannot be verified");
            }
            if verifier_id != ContactId::SELF {
-                let (verifier_fingerprint, verifier_verifier_id): (String, ContactId) = transaction
-                    .query_row(
-                        "SELECT fingerprint, verifier FROM contacts WHERE id=?",
-                        (verifier_id,),
-                        |row| Ok((row.get(0)?, row.get(1)?)),
-                    )?;
+                let verifier_fingerprint: String = transaction.query_row(
+                    "SELECT fingerprint FROM contacts WHERE id=?",
+                    (verifier_id,),
+                    |row| row.get(0),
+                )?;
                if verifier_fingerprint.is_empty() {
                    bail!(
                        "Contact {contact_id} cannot be verified by non-key-contact {verifier_id}"
                    );
                }
-                ensure!(
-                    verifier_id == contact_id || verifier_verifier_id != ContactId::UNDEFINED,
-                    "Contact {contact_id} cannot be verified by unverified contact {verifier_id}",
-                );
-                if verifier_verifier_id == verifier_id {
-                    // Avoid introducing incorrect reverse chains: if the verifier itself has an
-                    // unknown verifier, it may be `contact_id` actually (directly or indirectly) on
-                    // the other device (which is needed for getting "verified by unknown contact"
-                    // in the first place).
-                    verifier_id = contact_id;
-                }
            }
            transaction.execute(
-                "UPDATE contacts SET verifier=?1
-                 WHERE id=?2 AND (verifier=0 OR verifier=id OR ?3)",
-                (verifier_id, contact_id, by_self),
+                "UPDATE contacts SET verifier=? WHERE id=?",
+                (verifier_id, contact_id),
            )?;
            Ok(())
        })
--- a/src/contact/contact_tests.rs
+++ b/src/contact/contact_tests.rs
@@ -4,7 +4,6 @@ use super::*;
 use crate::chat::{Chat, get_chat_contacts, send_text_msg};
 use crate::chatlist::Chatlist;
 use crate::receive_imf::receive_imf;
-use crate::securejoin::get_securejoin_qr;
 use crate::test_utils::{self, TestContext, TestContextManager, TimeShiftFalsePositiveNote};

 #[test]
@@ -760,7 +759,7 @@ async fn test_contact_get_color() -> Result<()> {
    let t = TestContext::new().await;
    let contact_id = Contact::create(&t, "name", "name@example.net").await?;
    let color1 = Contact::get_by_id(&t, contact_id).await?.get_color();
-    assert_eq!(color1, 0x4844e2);
+    assert_eq!(color1, 0xA739FF);

    let t = TestContext::new().await;
    let contact_id = Contact::create(&t, "prename name", "name@example.net").await?;
@@ -774,20 +773,6 @@ async fn test_contact_get_color() -> Result<()> {
    Ok(())
 }

-#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
-async fn test_self_color_vs_key() -> Result<()> {
-    let mut tcm = TestContextManager::new();
-    let t = &tcm.unconfigured().await;
-    t.configure_addr("alice@example.org").await;
-    assert!(t.is_configured().await?);
-    let color = Contact::get_by_id(t, ContactId::SELF).await?.get_color();
-    assert_eq!(color, 0x808080);
-    get_securejoin_qr(t, None).await?;
-    let color1 = Contact::get_by_id(t, ContactId::SELF).await?.get_color();
-    assert_ne!(color1, color);
-    Ok(())
-}
-
 #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
 async fn test_contact_get_encrinfo() -> Result<()> {
    let mut tcm = TestContextManager::new();
@@ -1050,50 +1035,6 @@ async fn test_was_seen_recently_event() -> Result<()> {
    Ok(())
 }

-async fn test_lookup_id_by_addr_recent_ex(accept_unencrypted_chat: bool) -> Result<()> {
-    let mut tcm = TestContextManager::new();
-    let bob = &tcm.bob().await;
-
-    let raw = include_bytes!("../../test-data/message/thunderbird_with_autocrypt.eml");
-    assert!(std::str::from_utf8(raw)?.contains("Date: Thu, 24 Nov 2022 20:05:57 +0100"));
-    let received_msg = receive_imf(bob, raw, false).await?.unwrap();
-    received_msg.chat_id.accept(bob).await?;
-
-    let raw = r#"From: Alice <alice@example.org>
-To: bob@example.net
-Message-ID: message$TIME@example.org
-Content-Type: text/plain; charset=utf-8; format=flowed; delsp=no
-Date: Thu, 24 Nov 2022 $TIME +0100
-
-Hi"#
-    .to_string();
-    for (time, is_key_contact) in [("20:05:57", true), ("20:05:58", !accept_unencrypted_chat)] {
-        let raw = raw.replace("$TIME", time);
-        let received_msg = receive_imf(bob, raw.as_bytes(), false).await?.unwrap();
-        if accept_unencrypted_chat {
-            received_msg.chat_id.accept(bob).await?;
-        }
-        let contact_id = Contact::lookup_id_by_addr(bob, "alice@example.org", Origin::Unknown)
-            .await?
-            .unwrap();
-        let contact = Contact::get_by_id(bob, contact_id).await?;
-        assert_eq!(contact.is_key_contact(), is_key_contact);
-    }
-    Ok(())
-}
-
-#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
-async fn test_lookup_id_by_addr_recent() -> Result<()> {
-    let accept_unencrypted_chat = true;
-    test_lookup_id_by_addr_recent_ex(accept_unencrypted_chat).await
-}
-
-#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
-async fn test_lookup_id_by_addr_recent_accepted() -> Result<()> {
-    let accept_unencrypted_chat = false;
-    test_lookup_id_by_addr_recent_ex(accept_unencrypted_chat).await
-}
-
 #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
 async fn test_verified_by_none() -> Result<()> {
    let mut tcm = TestContextManager::new();
@@ -1131,7 +1072,6 @@ async fn test_sync_create() -> Result<()> {
            .unwrap();
    let a1b_contact = Contact::get_by_id(alice1, a1b_contact_id).await?;
    assert_eq!(a1b_contact.name, "Bob");
-    assert_eq!(a1b_contact.is_key_contact(), false);

    Contact::create(alice0, "Bob Renamed", "bob@example.net").await?;
    test_utils::sync(alice0, alice1).await;
@@ -1141,7 +1081,6 @@ async fn test_sync_create() -> Result<()> {
    assert_eq!(id, a1b_contact_id);
    let a1b_contact = Contact::get_by_id(alice1, a1b_contact_id).await?;
    assert_eq!(a1b_contact.name, "Bob Renamed");
-    assert_eq!(a1b_contact.is_key_contact(), false);

    Ok(())
 }
@@ -1317,9 +1256,13 @@ async fn test_self_is_verified() -> Result<()> {

    let contact = Contact::get_by_id(&alice, ContactId::SELF).await?;
    assert_eq!(contact.is_verified(&alice).await?, true);
+    assert!(contact.is_profile_verified(&alice).await?);
    assert!(contact.get_verifier_id(&alice).await?.is_none());
    assert!(contact.is_key_contact());

+    let chat_id = ChatId::get_for_contact(&alice, ContactId::SELF).await?;
+    assert!(chat_id.is_protected(&alice).await.unwrap() == ProtectionStatus::Protected);
+
    Ok(())
 }

--- a/src/context.rs
+++ b/src/context.rs
@@ -10,32 +10,35 @@ use std::time::Duration;

 use anyhow::{Context as _, Result, bail, ensure};
 use async_channel::{self as channel, Receiver, Sender};
+use pgp::types::PublicKeyTrait;
 use ratelimit::Ratelimit;
 use tokio::sync::{Mutex, Notify, RwLock};

-use crate::chat::{ChatId, get_chat_cnt};
+use crate::chat::{ChatId, ProtectionStatus, get_chat_cnt};
+use crate::chatlist_events;
 use crate::config::Config;
-use crate::constants::{self, DC_BACKGROUND_FETCH_QUOTA_CHECK_RATELIMIT, DC_VERSION_STR};
-use crate::contact::{Contact, ContactId};
+use crate::constants::{
+    self, DC_BACKGROUND_FETCH_QUOTA_CHECK_RATELIMIT, DC_CHAT_ID_TRASH, DC_VERSION_STR,
+};
+use crate::contact::{Contact, ContactId, import_vcard, mark_contact_id_as_verified};
 use crate::debug_logging::DebugLogging;
+use crate::download::DownloadState;
 use crate::events::{Event, EventEmitter, EventType, Events};
 use crate::imap::{FolderMeaning, Imap, ServerMetadata};
-use crate::key::self_fingerprint;
+use crate::key::{load_self_secret_key, self_fingerprint};
 use crate::log::{info, warn};
 use crate::logged_debug_assert;
-use crate::login_param::EnteredLoginParam;
-use crate::message::{self, MessageState, MsgId};
-use crate::net::tls::TlsSessionStore;
+use crate::login_param::{ConfiguredLoginParam, EnteredLoginParam};
+use crate::message::{self, Message, MessageState, MsgId};
+use crate::param::{Param, Params};
 use crate::peer_channels::Iroh;
 use crate::push::PushSubscriber;
 use crate::quota::QuotaInfo;
-use crate::scheduler::{ConnectivityStore, SchedulerState, convert_folder_meaning};
+use crate::scheduler::{SchedulerState, convert_folder_meaning};
 use crate::sql::Sql;
 use crate::stock_str::StockStrings;
 use crate::timesmearing::SmearedTimestamp;
-use crate::tools::{self, duration_to_str, time, time_elapsed};
-use crate::transport::ConfiguredLoginParam;
-use crate::{chatlist_events, stats};
+use crate::tools::{self, create_id, duration_to_str, time, time_elapsed};

 /// Builder for the [`Context`].
 ///
@@ -259,6 +262,8 @@ pub struct InnerContext {
    /// IMAP METADATA.
    pub(crate) metadata: RwLock<Option<ServerMetadata>>,

+    pub(crate) last_full_folder_scan: Mutex<Option<tools::Time>>,
+
    /// ID for this `Context` in the current process.
    ///
    /// This allows for multiple `Context`s open in a single process where each context can
@@ -292,9 +297,6 @@ pub struct InnerContext {
    /// True if account has subscribed to push notifications via IMAP.
    pub(crate) push_subscribed: AtomicBool,

-    /// TLS session resumption cache.
-    pub(crate) tls_session_store: TlsSessionStore,
-
    /// Iroh for realtime peer channels.
    pub(crate) iroh: Arc<RwLock<Option<Iroh>>>,

@@ -302,14 +304,10 @@ pub struct InnerContext {
    /// tokio::sync::OnceCell would be possible to use, but overkill for our usecase;
    /// the standard library's OnceLock is enough, and it's a lot smaller in memory.
    pub(crate) self_fingerprint: OnceLock<String>,
-
-    /// `Connectivity` values for mailboxes, unordered. Used to compute the aggregate connectivity,
-    /// see [`Context::get_connectivity()`].
-    pub(crate) connectivities: parking_lot::Mutex<Vec<ConnectivityStore>>,
 }

 /// The state of ongoing process.
-#[derive(Debug, Default)]
+#[derive(Debug)]
 enum RunningState {
    /// Ongoing process is allocated.
    Running { cancel_sender: Sender<()> },
@@ -318,10 +316,15 @@ enum RunningState {
    ShallStop { request: tools::Time },

    /// There is no ongoing process, a new one can be allocated.
-    #[default]
    Stopped,
 }

+impl Default for RunningState {
+    fn default() -> Self {
+        Self::Stopped
+    }
+}
+
 /// Return some info about deltachat-core
 ///
 /// This contains information mostly about the library itself, the
@@ -462,15 +465,14 @@ impl Context {
            server_id: RwLock::new(None),
            metadata: RwLock::new(None),
            creation_time: tools::Time::now(),
+            last_full_folder_scan: Mutex::new(None),
            last_error: parking_lot::RwLock::new("".to_string()),
            migration_error: parking_lot::RwLock::new(None),
            debug_logging: std::sync::RwLock::new(None),
            push_subscriber,
            push_subscribed: AtomicBool::new(false),
-            tls_session_store: TlsSessionStore::new(),
            iroh: Arc::new(RwLock::new(None)),
            self_fingerprint: OnceLock::new(),
-            connectivities: parking_lot::Mutex::new(Vec::new()),
        };

        let ctx = Context {
@@ -500,7 +502,7 @@ impl Context {
        // Now, some configs may have changed, so, we need to invalidate the cache.
        self.sql.config_cache.write().await.clear();

-        self.scheduler.start(self).await;
+        self.scheduler.start(self.clone()).await;
    }

    /// Stops the IO scheduler.
@@ -577,7 +579,7 @@ impl Context {
        } else {
            // Pause the scheduler to ensure another connection does not start
            // while we are fetching on a dedicated connection.
-            let _pause_guard = self.scheduler.pause(self).await?;
+            let _pause_guard = self.scheduler.pause(self.clone()).await?;

            // Start a new dedicated connection.
            let mut connection = Imap::new_configured(self, channel::bounded(1).1).await?;
@@ -814,6 +816,7 @@ impl Context {
        let unblocked_msgs = message::get_unblocked_msg_cnt(self).await;
        let request_msgs = message::get_request_msg_cnt(self).await;
        let contacts = Contact::get_real_cnt(self).await?;
+        let is_configured = self.get_config_int(Config::Configured).await?;
        let proxy_enabled = self.get_config_int(Config::ProxyEnabled).await?;
        let dbversion = self
            .sql
@@ -825,6 +828,7 @@ impl Context {
            .query_get_value("PRAGMA journal_mode;", ())
            .await?
            .unwrap_or_else(|| "unknown".to_string());
+        let e2ee_enabled = self.get_config_int(Config::E2eeEnabled).await?;
        let mdns_enabled = self.get_config_int(Config::MdnsEnabled).await?;
        let bcc_self = self.get_config_int(Config::BccSelf).await?;
        let sync_msgs = self.get_config_int(Config::SyncMsgs).await?;
@@ -841,6 +845,7 @@ impl Context {
            Err(err) => format!("<key failure: {err}>"),
        };

+        let sentbox_watch = self.get_config_int(Config::SentboxWatch).await?;
        let mvbox_move = self.get_config_int(Config::MvboxMove).await?;
        let only_fetch_mvbox = self.get_config_int(Config::OnlyFetchMvbox).await?;
        let folders_configured = self
@@ -853,6 +858,10 @@ impl Context {
            .get_config(Config::ConfiguredInboxFolder)
            .await?
            .unwrap_or_else(|| "<unset>".to_string());
+        let configured_sentbox_folder = self
+            .get_config(Config::ConfiguredSentboxFolder)
+            .await?
+            .unwrap_or_else(|| "<unset>".to_string());
        let configured_mvbox_folder = self
            .get_config(Config::ConfiguredMvboxFolder)
            .await?
@@ -887,6 +896,7 @@ impl Context {
                .await?
                .unwrap_or_else(|| "<unset>".to_string()),
        );
+        res.insert("is_configured", is_configured.to_string());
        res.insert("proxy_enabled", proxy_enabled.to_string());
        res.insert("entered_account_settings", l.to_string());
        res.insert("used_account_settings", l2);
@@ -940,6 +950,7 @@ impl Context {
                .await?
                .to_string(),
        );
+        res.insert("sentbox_watch", sentbox_watch.to_string());
        res.insert("mvbox_move", mvbox_move.to_string());
        res.insert("only_fetch_mvbox", only_fetch_mvbox.to_string());
        res.insert(
@@ -947,15 +958,23 @@ impl Context {
            folders_configured.to_string(),
        );
        res.insert("configured_inbox_folder", configured_inbox_folder);
+        res.insert("configured_sentbox_folder", configured_sentbox_folder);
        res.insert("configured_mvbox_folder", configured_mvbox_folder);
        res.insert("configured_trash_folder", configured_trash_folder);
        res.insert("mdns_enabled", mdns_enabled.to_string());
+        res.insert("e2ee_enabled", e2ee_enabled.to_string());
        res.insert("bcc_self", bcc_self.to_string());
        res.insert("sync_msgs", sync_msgs.to_string());
        res.insert("disable_idle", disable_idle.to_string());
        res.insert("private_key_count", prv_key_cnt.to_string());
        res.insert("public_key_count", pub_key_cnt.to_string());
        res.insert("fingerprint", fingerprint_str);
+        res.insert(
+            "webrtc_instance",
+            self.get_config(Config::WebrtcInstance)
+                .await?
+                .unwrap_or_else(|| "<unset>".to_string()),
+        );
        res.insert(
            "media_quality",
            self.get_config_int(Config::MediaQuality).await?.to_string(),
@@ -1014,6 +1033,12 @@ impl Context {
                .await?
                .to_string(),
        );
+        res.insert(
+            "protect_autocrypt",
+            self.get_config_int(Config::ProtectAutocrypt)
+                .await?
+                .to_string(),
+        );
        res.insert(
            "debug_logging",
            self.get_config_int(Config::DebugLogging).await?.to_string(),
@@ -1026,6 +1051,12 @@ impl Context {
            "gossip_period",
            self.get_config_int(Config::GossipPeriod).await?.to_string(),
        );
+        res.insert(
+            "verified_one_on_one_chats", // deprecated 2025-07
+            self.get_config_bool(Config::VerifiedOneOnOneChats)
+                .await?
+                .to_string(),
+        );
        res.insert(
            "webxdc_realtime_enabled",
            self.get_config_bool(Config::WebxdcRealtimeEnabled)
@@ -1045,29 +1076,6 @@ impl Context {
                .await?
                .unwrap_or_default(),
        );
-        res.insert(
-            "stats_id",
-            self.get_config(Config::StatsId)
-                .await?
-                .unwrap_or_else(|| "<unset>".to_string()),
-        );
-        res.insert(
-            "stats_sending",
-            stats::should_send_stats(self).await?.to_string(),
-        );
-        res.insert(
-            "stats_last_sent",
-            self.get_config_i64(Config::StatsLastSent)
-                .await?
-                .to_string(),
-        );
-        res.insert(
-            "fail_on_receiving_full_msg",
-            self.sql
-                .get_raw_config("fail_on_receiving_full_msg")
-                .await?
-                .unwrap_or_default(),
-        );

        let elapsed = time_elapsed(&self.creation_time);
        res.insert("uptime", duration_to_str(elapsed));
@@ -1075,6 +1083,152 @@ impl Context {
        Ok(res)
    }

+    async fn get_self_report(&self) -> Result<String> {
+        #[derive(Default)]
+        struct ChatNumbers {
+            protected: u32,
+            protection_broken: u32,
+            opportunistic_dc: u32,
+            opportunistic_mua: u32,
+            unencrypted_dc: u32,
+            unencrypted_mua: u32,
+        }
+
+        let mut res = String::new();
+        res += &format!("core_version {}\n", get_version_str());
+
+        let num_msgs: u32 = self
+            .sql
+            .query_get_value(
+                "SELECT COUNT(*) FROM msgs WHERE hidden=0 AND chat_id!=?",
+                (DC_CHAT_ID_TRASH,),
+            )
+            .await?
+            .unwrap_or_default();
+        res += &format!("num_msgs {num_msgs}\n");
+
+        let num_chats: u32 = self
+            .sql
+            .query_get_value("SELECT COUNT(*) FROM chats WHERE id>9 AND blocked!=1", ())
+            .await?
+            .unwrap_or_default();
+        res += &format!("num_chats {num_chats}\n");
+
+        let db_size = tokio::fs::metadata(&self.sql.dbfile).await?.len();
+        res += &format!("db_size_bytes {db_size}\n");
+
+        let secret_key = &load_self_secret_key(self).await?.primary_key;
+        let key_created = secret_key.public_key().created_at().timestamp();
+        res += &format!("key_created {key_created}\n");
+
+        // how many of the chats active in the last months are:
+        // - protected
+        // - protection-broken
+        // - opportunistic-encrypted and the contact uses Delta Chat
+        // - opportunistic-encrypted and the contact uses a classical MUA
+        // - unencrypted and the contact uses Delta Chat
+        // - unencrypted and the contact uses a classical MUA
+        let three_months_ago = time().saturating_sub(3600 * 24 * 30 * 3);
+        let chats = self
+            .sql
+            .query_map(
+                "SELECT c.protected, m.param, m.msgrmsg
+                    FROM chats c
+                    JOIN msgs m
+                        ON c.id=m.chat_id
+                        AND m.id=(
+                                SELECT id
+                                FROM msgs
+                                WHERE chat_id=c.id
+                                AND hidden=0
+                                AND download_state=?
+                                AND to_id!=?
+                                ORDER BY timestamp DESC, id DESC LIMIT 1)
+                    WHERE c.id>9
+                    AND (c.blocked=0 OR c.blocked=2)
+                    AND IFNULL(m.timestamp,c.created_timestamp) > ?
+                    GROUP BY c.id",
+                (DownloadState::Done, ContactId::INFO, three_months_ago),
+                |row| {
+                    let protected: ProtectionStatus = row.get(0)?;
+                    let message_param: Params =
+                        row.get::<_, String>(1)?.parse().unwrap_or_default();
+                    let is_dc_message: bool = row.get(2)?;
+                    Ok((protected, message_param, is_dc_message))
+                },
+                |rows| {
+                    let mut chats = ChatNumbers::default();
+                    for row in rows {
+                        let (protected, message_param, is_dc_message) = row?;
+                        let encrypted = message_param
+                            .get_bool(Param::GuaranteeE2ee)
+                            .unwrap_or(false);
+
+                        if protected == ProtectionStatus::Protected {
+                            chats.protected += 1;
+                        } else if protected == ProtectionStatus::ProtectionBroken {
+                            chats.protection_broken += 1;
+                        } else if encrypted {
+                            if is_dc_message {
+                                chats.opportunistic_dc += 1;
+                            } else {
+                                chats.opportunistic_mua += 1;
+                            }
+                        } else if is_dc_message {
+                            chats.unencrypted_dc += 1;
+                        } else {
+                            chats.unencrypted_mua += 1;
+                        }
+                    }
+                    Ok(chats)
+                },
+            )
+            .await?;
+        res += &format!("chats_protected {}\n", chats.protected);
+        res += &format!("chats_protection_broken {}\n", chats.protection_broken);
+        res += &format!("chats_opportunistic_dc {}\n", chats.opportunistic_dc);
+        res += &format!("chats_opportunistic_mua {}\n", chats.opportunistic_mua);
+        res += &format!("chats_unencrypted_dc {}\n", chats.unencrypted_dc);
+        res += &format!("chats_unencrypted_mua {}\n", chats.unencrypted_mua);
+
+        let self_reporting_id = match self.get_config(Config::SelfReportingId).await? {
+            Some(id) => id,
+            None => {
+                let id = create_id();
+                self.set_config(Config::SelfReportingId, Some(&id)).await?;
+                id
+            }
+        };
+        res += &format!("self_reporting_id {self_reporting_id}");
+
+        Ok(res)
+    }
+
+    /// Drafts a message with statistics about the usage of Delta Chat.
+    /// The user can inspect the message if they want, and then hit "Send".
+    ///
+    /// On the other end, a bot will receive the message and make it available
+    /// to Delta Chat's developers.
+    pub async fn draft_self_report(&self) -> Result<ChatId> {
+        const SELF_REPORTING_BOT_VCARD: &str = include_str!("../assets/self-reporting-bot.vcf");
+        let contact_id: ContactId = *import_vcard(self, SELF_REPORTING_BOT_VCARD)
+            .await?
+            .first()
+            .context("Self reporting bot vCard does not contain a contact")?;
+        mark_contact_id_as_verified(self, contact_id, ContactId::SELF).await?;
+
+        let chat_id = ChatId::create_for_contact(self, contact_id).await?;
+        chat_id
+            .set_protection(self, ProtectionStatus::Protected, time(), Some(contact_id))
+            .await?;
+
+        let mut msg = Message::new_text(self.get_self_report().await?);
+
+        chat_id.set_draft(self, Some(&mut msg)).await?;
+
+        Ok(chat_id)
+    }
+
    /// Get a list of fresh, unmuted messages in unblocked chats.
    ///
    /// The list starts with the most recent message
@@ -1084,7 +1238,7 @@ impl Context {
    pub async fn get_fresh_msgs(&self) -> Result<Vec<MsgId>> {
        let list = self
            .sql
-            .query_map_vec(
+            .query_map(
                concat!(
                    "SELECT m.id",
                    " FROM msgs m",
@@ -1102,6 +1256,13 @@ impl Context {
                ),
                (MessageState::InFresh, time()),
                |row| row.get::<_, MsgId>(0),
+                |rows| {
+                    let mut list = Vec::new();
+                    for row in rows {
+                        list.push(row?);
+                    }
+                    Ok(list)
+                },
            )
            .await?;
        Ok(list)
@@ -1134,7 +1295,7 @@ impl Context {

        let list = self
            .sql
-            .query_map_vec(
+            .query_map(
                "SELECT m.id
                     FROM msgs m
                     LEFT JOIN contacts ct
@@ -1154,6 +1315,13 @@ impl Context {
                    let msg_id: MsgId = row.get(0)?;
                    Ok(msg_id)
                },
+                |rows| {
+                    let mut list = Vec::new();
+                    for row in rows {
+                        list.push(row?);
+                    }
+                    Ok(list)
+                },
            )
            .await?;
        Ok(list)
@@ -1194,7 +1362,7 @@ impl Context {

        let list = if let Some(chat_id) = chat_id {
            self.sql
-                .query_map_vec(
+                .query_map(
                    "SELECT m.id AS id
                 FROM msgs m
                 LEFT JOIN contacts ct
@@ -1206,6 +1374,13 @@ impl Context {
                 ORDER BY m.timestamp,m.id;",
                    (chat_id, str_like_in_text),
                    |row| row.get::<_, MsgId>("id"),
+                    |rows| {
+                        let mut ret = Vec::new();
+                        for id in rows {
+                            ret.push(id?);
+                        }
+                        Ok(ret)
+                    },
                )
                .await?
        } else {
@@ -1220,7 +1395,7 @@ impl Context {
            // According to some tests, this limit speeds up eg. 2 character searches by factor 10.
            // The limit is documented and UI may add a hint when getting 1000 results.
            self.sql
-                .query_map_vec(
+                .query_map(
                    "SELECT m.id AS id
                 FROM msgs m
                 LEFT JOIN contacts ct
@@ -1235,6 +1410,13 @@ impl Context {
                 ORDER BY m.id DESC LIMIT 1000",
                    (str_like_in_text,),
                    |row| row.get::<_, MsgId>("id"),
+                    |rows| {
+                        let mut ret = Vec::new();
+                        for id in rows {
+                            ret.push(id?);
+                        }
+                        Ok(ret)
+                    },
                )
                .await?
        };
@@ -1248,6 +1430,12 @@ impl Context {
        Ok(inbox.as_deref() == Some(folder_name))
    }

+    /// Returns true if given folder name is the name of the "sent" folder.
+    pub async fn is_sentbox(&self, folder_name: &str) -> Result<bool> {
+        let sentbox = self.get_config(Config::ConfiguredSentboxFolder).await?;
+        Ok(sentbox.as_deref() == Some(folder_name))
+    }
+
    /// Returns true if given folder name is the name of the "DeltaChat" folder.
    pub async fn is_mvbox(&self, folder_name: &str) -> Result<bool> {
        let mvbox = self.get_config(Config::ConfiguredMvboxFolder).await?;
--- a/src/context/context_tests.rs
+++ b/src/context/context_tests.rs
@@ -6,9 +6,9 @@ use super::*;
 use crate::chat::{Chat, MuteDuration, get_chat_contacts, get_chat_msgs, send_msg, set_muted};
 use crate::chatlist::Chatlist;
 use crate::constants::Chattype;
-use crate::message::Message;
+use crate::mimeparser::SystemMessage;
 use crate::receive_imf::receive_imf;
-use crate::test_utils::{E2EE_INFO_MSGS, TestContext};
+use crate::test_utils::{E2EE_INFO_MSGS, TestContext, get_chat_msg};
 use crate::tools::{SystemTime, create_outgoing_rfc724_mid};

 #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
@@ -276,6 +276,7 @@ async fn test_get_info_completeness() {
        "mail_port",
        "mail_security",
        "notify_about_wrong_pw",
+        "self_reporting_id",
        "selfstatus",
        "send_server",
        "send_user",
@@ -295,8 +296,6 @@ async fn test_get_info_completeness() {
        "webxdc_integration",
        "device_token",
        "encrypted_device_token",
-        "stats_last_update",
-        "stats_last_old_contact_id",
    ];
    let t = TestContext::new().await;
    let info = t.get_info().await.unwrap();
@@ -599,6 +598,26 @@ async fn test_get_next_msgs() -> Result<()> {
    Ok(())
 }

+#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
+async fn test_draft_self_report() -> Result<()> {
+    let alice = TestContext::new_alice().await;
+
+    let chat_id = alice.draft_self_report().await?;
+    let msg = get_chat_msg(&alice, chat_id, 0, 1).await;
+    assert_eq!(msg.get_info_type(), SystemMessage::ChatProtectionEnabled);
+
+    let chat = Chat::load_from_db(&alice, chat_id).await?;
+    assert!(chat.is_protected());
+
+    let mut draft = chat_id.get_draft(&alice).await?.unwrap();
+    assert!(draft.text.starts_with("core_version"));
+
+    // Test that sending into the protected chat works:
+    let _sent = alice.send_msg(chat_id, &mut draft).await;
+
+    Ok(())
+}
+
 #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
 async fn test_cache_is_cleared_when_io_is_started() -> Result<()> {
    let alice = TestContext::new_alice().await;
--- a/Show More
+++ b/Show More
@@ -1 +1 @@
 -11-03
 -07-23