AUTOMATION: CHANGELOG Update

Author: github-actions[bot]

CHANGELOG.md

@@ -1,107 +1,42 @@
-# UNRELEASED CHANGELOG
-## Common changes for all artifacts
-### 🐞 Fixed
-
-### ⬆️ Improved
-
-### ✅ Added
-
-### ⚠️ Changed
-
-### ❌ Removed
-
+# August 13th, 2025 - 6.21.0
 ## stream-chat-android-client
-### 🐞 Fixed
-
-### ⬆️ Improved
-
 ### ✅ Added
 - Add `NotificationhandlerFactory.notificationBuilderTransformer` parameter to allow customization of the notification builder. [#5881](https://github.com/GetStream/stream-chat-android/pull/5881)
 - Support User Average Response Time. [#5893](https://github.com/GetStream/stream-chat-android/pull/5893)
 
-### ⚠️ Changed
-
-### ❌ Removed
-
 ## stream-chat-android-offline
-### 🐞 Fixed
-
-### ⬆️ Improved
-
 ### ✅ Added
 - Add `StreamOfflinePluginFactory.ignoredChannelTypes` property to allow ignoring messages for specific channel types in the offline storage. [#5877](https://github.com/GetStream/stream-chat-android/pull/5877)
 
-### ⚠️ Changed
-
-### ❌ Removed
-
 ## stream-chat-android-state
 ### 🐞 Fixed
 - Fix reactions not working in channels with disabled DB writes. [#5883](https://github.com/GetStream/stream-chat-android/pull/5883)
 - Fix delete message not working in channels with disabled DB writes. [#5886](https://github.com/GetStream/stream-chat-android/pull/5886)
 - Fix attachments upload not working in channels with message limit applied. [#5886](https://github.com/GetStream/stream-chat-android/pull/5886)
 - Fix thread not showing the parent message when offline support is disabled. [#5891](https://github.com/GetStream/stream-chat-android/pull/5891)
 
-### ⬆️ Improved
-
 ### ✅ Added
 - Add `StatePluginConfig.MessageLimitConfig` config to allow setting the maximum number of messages to be kept in memory for specific channel types. [#5877](https://github.com/GetStream/stream-chat-android/pull/5877)
 
 ### ⚠️ Changed
 - Deprecate `SendReactionListener.onSendReactionPrecondition(currentUser?, reaction: Reaction)` in favor of `SendReactionListener.onSendReactionPrecondition(cid: String?, currentUser: User?, reaction: Reaction)`. [#5883](https://github.com/GetStream/stream-chat-android/pull/5883)
 
-### ❌ Removed
-
 ## stream-chat-android-ui-common
 ### 🐞 Fixed
 - Fix silent messages not shown in the channel preview in the channel list. [#5880](https://github.com/GetStream/stream-chat-android/pull/5880)
 
-### ⬆️ Improved
-
-### ✅ Added
-
-### ⚠️ Changed
-
-### ❌ Removed
-
-## stream-chat-android-ui-components
-### 🐞 Fixed
-
-### ⬆️ Improved
-
-### ✅ Added
-
-### ⚠️ Changed
-
-### ❌ Removed
-
 ## stream-chat-android-compose
 ### 🐞 Fixed
 - Fix media gallery screen not closed after all attachments are deleted from the message. [#5884](https://github.com/GetStream/stream-chat-android/pull/5884)
 - Fix the poll creation button to disable when multiple answers has a wrong input. [#5885](https://github.com/GetStream/stream-chat-android/pull/5885)
 - Fix media gallery not opened (closed automatically) when clicking on a media attachment in the message list. [#5892](https://github.com/GetStream/stream-chat-android/pull/5892)
 
-### ⬆️ Improved
-
 ### ✅ Added
 - Add `MessageTheme.linkBackgroundColor` for customizing the background color of the message link card. [#5894](https://github.com/GetStream/stream-chat-android/pull/5894)
 
 ### ⚠️ Changed
 - Deprecate `StreamColors.linkBackground` in favor of `MessageTheme.linkBackgroundColor`. [#5894](https://github.com/GetStream/stream-chat-android/pull/5894)
 
-### ❌ Removed
-
-## stream-chat-android-markdown-transformer
-### 🐞 Fixed
-
-### ⬆️ Improved
-
-### ✅ Added
-
-### ⚠️ Changed
-
-### ❌ Removed
-
 # July 25th, 2025 - 6.20.0
 ## stream-chat-android-client
 ### ✅ Added