diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1a74041b8..c20882441 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,46 @@
 # Changelog
 
+## [2.27.0] - 2025-11-16
+
+### API-Changes
+
+- Add APIs to stop background fetch.
+- [**breaking**]: rename JSON-RPC method accounts_background_fetch() into background_fetch()
+- rpc-client: Add APIs for background fetch.
+- rpc-client: Add Account.wait_for_msg().
+- Deprecate deletion timer string for '1 Minute'.
+
+### Features / Changes
+
+- Implement RFC 9788 (Header Protection for Cryptographically Protected Email) ([#7130](https://github.com/chatmail/core/pull/7130)).
+- Tweak initial info-message for unencrypted chats ([#7427](https://github.com/chatmail/core/pull/7427)).
+- Add Contact::get_or_gen_color. Use it in CFFI and JSON-RPC to avoid gray self-color ([#7374](https://github.com/chatmail/core/pull/7374)).
+- [**breaking**] Withdraw broadcast invites. Add Qr::WithdrawJoinBroadcast and Qr::ReviveJoinBroadcast QR code types. ([#7439](https://github.com/chatmail/core/pull/7439)).
+
+### Fixes
+
+- Set `get_max_smtp_rcpt_to` for chatmail to the actual limit of 1000 instead of unlimited. ([#7432](https://github.com/chatmail/core/pull/7432)).
+- Always set bcc_self on backup import/export.
+- Escape connectivity HTML.
+- Send webm as file, it is not supported by all UI.
+
+### Build system
+
+- nix: Exclude CONTRIBUTING.md from the source files.
+
+### Refactor
+
+- Use wait_for_incoming_msg() in more tests.
+
+### Tests
+
+- Fix flaky test_send_receive_locations.
+- Port folder-related CFFI tests to JSON-RPC.
+- HP-Outer headers are added to messages with standard Header Protection ([#7130](https://github.com/chatmail/core/pull/7130)).
+- rpc-client: Test_qr_securejoin_broadcast: Wait for incoming message before getting chatlist ([#7442](https://github.com/chatmail/core/pull/7442)).
+- Add pytest fixture for account manager.
+- Test background_fetch() and stop_background_fetch().
+
 ## [2.26.0] - 2025-11-11
 
 ### API-Changes
@@ -7143,3 +7184,4 @@ https://github.com/chatmail/core/pulls?q=is%3Apr+is%3Aclosed
 [2.24.0]: https://github.com/chatmail/core/compare/v2.23.0..v2.24.0
 [2.25.0]: https://github.com/chatmail/core/compare/v2.24.0..v2.25.0
 [2.26.0]: https://github.com/chatmail/core/compare/v2.25.0..v2.26.0
+[2.27.0]: https://github.com/chatmail/core/compare/v2.26.0..v2.27.0
diff --git a/Cargo.lock b/Cargo.lock
index e954492c9..e6e72029b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1304,7 +1304,7 @@ dependencies = [
 
 [[package]]
 name = "deltachat"
-version = "2.26.0"
+version = "2.27.0"
 dependencies = [
  "anyhow",
  "astral-tokio-tar",
@@ -1413,7 +1413,7 @@ dependencies = [
 
 [[package]]
 name = "deltachat-jsonrpc"
-version = "2.26.0"
+version = "2.27.0"
 dependencies = [
  "anyhow",
  "async-channel 2.5.0",
@@ -1435,7 +1435,7 @@ dependencies = [
 
 [[package]]
 name = "deltachat-repl"
-version = "2.26.0"
+version = "2.27.0"
 dependencies = [
  "anyhow",
  "deltachat",
@@ -1451,7 +1451,7 @@ dependencies = [
 
 [[package]]
 name = "deltachat-rpc-server"
-version = "2.26.0"
+version = "2.27.0"
 dependencies = [
  "anyhow",
  "deltachat",
@@ -1480,7 +1480,7 @@ dependencies = [
 
 [[package]]
 name = "deltachat_ffi"
-version = "2.26.0"
+version = "2.27.0"
 dependencies = [
  "anyhow",
  "deltachat",
diff --git a/Cargo.toml b/Cargo.toml
index b6022d4bf..efcc8e17e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat"
-version = "2.26.0"
+version = "2.27.0"
 edition = "2024"
 license = "MPL-2.0"
 rust-version = "1.85"
diff --git a/deltachat-ffi/Cargo.toml b/deltachat-ffi/Cargo.toml
index 1eb1723cd..0583cbada 100644
--- a/deltachat-ffi/Cargo.toml
+++ b/deltachat-ffi/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat_ffi"
-version = "2.26.0"
+version = "2.27.0"
 description = "Deltachat FFI"
 edition = "2018"
 readme = "README.md"
diff --git a/deltachat-jsonrpc/Cargo.toml b/deltachat-jsonrpc/Cargo.toml
index f3d982437..e463cad99 100644
--- a/deltachat-jsonrpc/Cargo.toml
+++ b/deltachat-jsonrpc/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat-jsonrpc"
-version = "2.26.0"
+version = "2.27.0"
 description = "DeltaChat JSON-RPC API"
 edition = "2021"
 license = "MPL-2.0"
diff --git a/deltachat-jsonrpc/typescript/package.json b/deltachat-jsonrpc/typescript/package.json
index c0165630a..6d416158c 100644
--- a/deltachat-jsonrpc/typescript/package.json
+++ b/deltachat-jsonrpc/typescript/package.json
@@ -54,5 +54,5 @@
   },
   "type": "module",
   "types": "dist/deltachat.d.ts",
-  "version": "2.26.0"
+  "version": "2.27.0"
 }
diff --git a/deltachat-repl/Cargo.toml b/deltachat-repl/Cargo.toml
index 497268204..584fec259 100644
--- a/deltachat-repl/Cargo.toml
+++ b/deltachat-repl/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat-repl"
-version = "2.26.0"
+version = "2.27.0"
 license = "MPL-2.0"
 edition = "2021"
 repository = "https://github.com/chatmail/core"
diff --git a/deltachat-rpc-client/pyproject.toml b/deltachat-rpc-client/pyproject.toml
index 3006bb0b1..cf23ca484 100644
--- 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 = "2.26.0"
+version = "2.27.0"
 description = "Python client for Delta Chat core JSON-RPC interface"
 classifiers = [
     "Development Status :: 5 - Production/Stable",
diff --git a/deltachat-rpc-server/Cargo.toml b/deltachat-rpc-server/Cargo.toml
index 55315e046..4cc807aaf 100644
--- a/deltachat-rpc-server/Cargo.toml
+++ b/deltachat-rpc-server/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat-rpc-server"
-version = "2.26.0"
+version = "2.27.0"
 description = "DeltaChat JSON-RPC server"
 edition = "2021"
 readme = "README.md"
diff --git a/deltachat-rpc-server/npm-package/package.json b/deltachat-rpc-server/npm-package/package.json
index 45fb88a04..08853f177 100644
--- 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": "2.26.0"
+  "version": "2.27.0"
 }
diff --git a/python/pyproject.toml b/python/pyproject.toml
index 26db42706..59e90d655 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "deltachat"
-version = "2.26.0"
+version = "2.27.0"
 description = "Python bindings for the Delta Chat Core library using CFFI against the Rust-implemented libdeltachat"
 readme = "README.rst"
 requires-python = ">=3.8"
diff --git a/release-date.in b/release-date.in
index e02fd6b49..850e1956c 100644
--- a/release-date.in
+++ b/release-date.in
@@ -1 +1 @@
-2025-11-11
\ No newline at end of file
+2025-11-16
\ No newline at end of file