diff --git a/CHANGELOG.md b/CHANGELOG.md
index dbd8fad6c..1340aacea 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,33 @@
 # Changelog
 
+## [2.43.0] - 2026-02-17
+
+### Features / Changes
+
+- Group and broadcast channel descriptions ([#7829](https://github.com/chatmail/core/pull/7829)).
+
+### Fixes
+
+- Assign iroh gossip topic to pre-message when post-message is received.
+
+### Miscellaneous Tasks
+
+- Update fast-socks5 to version 1.0.
+- cargo: Update keccak from 0.1.5 to 0.1.6.
+- deps: Bump astral-sh/setup-uv from 7.1.6 to 7.3.0.
+
+### Performance
+
+- Use recv_direct() instead of recv() on the event channel.
+
+### Refactor
+
+- Enable `clippy::manual_is_variant_and`.
+
+### Tests
+
+- Fix flaky `test_transport_synchronization` ([#7850](https://github.com/chatmail/core/pull/7850)).
+
 ## [2.42.0] - 2026-02-10
 
 ### Fixes
@@ -7738,3 +7766,4 @@ https://github.com/chatmail/core/pulls?q=is%3Apr+is%3Aclosed
 [2.40.0]: https://github.com/chatmail/core/compare/v2.39.0..v2.40.0
 [2.41.0]: https://github.com/chatmail/core/compare/v2.40.0..v2.41.0
 [2.42.0]: https://github.com/chatmail/core/compare/v2.41.0..v2.42.0
+[2.43.0]: https://github.com/chatmail/core/compare/v2.42.0..v2.43.0
diff --git a/Cargo.lock b/Cargo.lock
index 09f6ea7d0..b6cc4a386 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1303,7 +1303,7 @@ dependencies = [
 
 [[package]]
 name = "deltachat"
-version = "2.42.0"
+version = "2.43.0"
 dependencies = [
  "anyhow",
  "astral-tokio-tar",
@@ -1413,7 +1413,7 @@ dependencies = [
 
 [[package]]
 name = "deltachat-jsonrpc"
-version = "2.42.0"
+version = "2.43.0"
 dependencies = [
  "anyhow",
  "async-channel 2.5.0",
@@ -1434,7 +1434,7 @@ dependencies = [
 
 [[package]]
 name = "deltachat-repl"
-version = "2.42.0"
+version = "2.43.0"
 dependencies = [
  "anyhow",
  "deltachat",
@@ -1450,7 +1450,7 @@ dependencies = [
 
 [[package]]
 name = "deltachat-rpc-server"
-version = "2.42.0"
+version = "2.43.0"
 dependencies = [
  "anyhow",
  "deltachat",
@@ -1479,7 +1479,7 @@ dependencies = [
 
 [[package]]
 name = "deltachat_ffi"
-version = "2.42.0"
+version = "2.43.0"
 dependencies = [
  "anyhow",
  "deltachat",
diff --git a/Cargo.toml b/Cargo.toml
index 3951a78ae..79f624335 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat"
-version = "2.42.0"
+version = "2.43.0"
 edition = "2024"
 license = "MPL-2.0"
 rust-version = "1.88"
diff --git a/deltachat-ffi/Cargo.toml b/deltachat-ffi/Cargo.toml
index dbab8ca71..fee9bf3dc 100644
--- a/deltachat-ffi/Cargo.toml
+++ b/deltachat-ffi/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat_ffi"
-version = "2.42.0"
+version = "2.43.0"
 description = "Deltachat FFI"
 edition = "2018"
 readme = "README.md"
diff --git a/deltachat-jsonrpc/Cargo.toml b/deltachat-jsonrpc/Cargo.toml
index 8b2287b38..433b47d82 100644
--- a/deltachat-jsonrpc/Cargo.toml
+++ b/deltachat-jsonrpc/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat-jsonrpc"
-version = "2.42.0"
+version = "2.43.0"
 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 9528c9ed7..2418aab02 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": "2.42.0"
+  "version": "2.43.0"
 }
diff --git a/deltachat-repl/Cargo.toml b/deltachat-repl/Cargo.toml
index 0f6706f7b..878a742a1 100644
--- a/deltachat-repl/Cargo.toml
+++ b/deltachat-repl/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat-repl"
-version = "2.42.0"
+version = "2.43.0"
 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 42e64cbf9..4e9d64c36 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 = "2.42.0"
+version = "2.43.0"
 license = "MPL-2.0"
 description = "Python client for Delta Chat core JSON-RPC interface"
 classifiers = [
diff --git a/deltachat-rpc-server/Cargo.toml b/deltachat-rpc-server/Cargo.toml
index 8a8210146..c51fd632f 100644
--- a/deltachat-rpc-server/Cargo.toml
+++ b/deltachat-rpc-server/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deltachat-rpc-server"
-version = "2.42.0"
+version = "2.43.0"
 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 d07aa6652..67ed6a54e 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": "2.42.0"
+  "version": "2.43.0"
 }
diff --git a/python/pyproject.toml b/python/pyproject.toml
index 954a78a95..e3e0be210 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "deltachat"
-version = "2.42.0"
+version = "2.43.0"
 license = "MPL-2.0"
 description = "Python bindings for the Delta Chat Core library using CFFI against the Rust-implemented libdeltachat"
 readme = "README.rst"
diff --git a/release-date.in b/release-date.in
index 4cc8c4dea..a14487ac1 100644
--- a/release-date.in
+++ b/release-date.in
@@ -1 +1 @@
-2026-02-10
\ No newline at end of file
+2026-02-17
\ No newline at end of file