chore(release): prepare for 2.21.0

Author: link2xt

CHANGELOG.md

@@ -1,5 +1,40 @@
 # Changelog
 
+## [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
@@ -6921,3 +6956,4 @@ https://github.com/chatmail/core/pulls?q=is%3Apr+is%3Aclosed
 [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

Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name = "deltachat"
-version = "2.20.0"
+version = "2.21.0"
 edition = "2024"
 license = "MPL-2.0"
 rust-version = "1.85"

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "deltachat_ffi"
-version = "2.20.0"
+version = "2.21.0"
 description = "Deltachat FFI"
 edition = "2018"
 readme = "README.md"

deltachat-ffi/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "deltachat-jsonrpc"
-version = "2.20.0"
+version = "2.21.0"
 description = "DeltaChat JSON-RPC API"
 edition = "2021"
 license = "MPL-2.0"

deltachat-jsonrpc/Cargo.toml

@@ -54,5 +54,5 @@
   },
   "type": "module",
   "types": "dist/deltachat.d.ts",
-  "version": "2.20.0"
+  "version": "2.21.0"
 }

deltachat-jsonrpc/typescript/package.json

@@ -1,6 +1,6 @@
 [package]
 name = "deltachat-repl"
-version = "2.20.0"
+version = "2.21.0"
 license = "MPL-2.0"
 edition = "2021"
 repository = "https://github.com/chatmail/core"

deltachat-repl/Cargo.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "deltachat-rpc-client"
-version = "2.20.0"
+version = "2.21.0"
 description = "Python client for Delta Chat core JSON-RPC interface"
 classifiers = [
     "Development Status :: 5 - Production/Stable",

deltachat-rpc-client/pyproject.toml

@@ -1,6 +1,6 @@
 [package]
 name = "deltachat-rpc-server"
-version = "2.20.0"
+version = "2.21.0"
 description = "DeltaChat JSON-RPC server"
 edition = "2021"
 readme = "README.md"

deltachat-rpc-server/Cargo.toml

@@ -15,5 +15,5 @@
   },
   "type": "module",
   "types": "index.d.ts",
-  "version": "2.20.0"
+  "version": "2.21.0"
 }