• Fix OpenAL device closing in calls and voice chats.
• Fix scheduling messages without sound.
• Remove redundant Cancel button in ScheduleBox.
• Delete not only messages, but also groups you created and call history for all sides, without a trace.
• Adjust volume for individual participants of a voice chat.
• Report fake groups or channels impersonating famous people or organizations by opening their Profile > ... > Report.
• Press Up arrow to edit your last sent comment.
• Add more information to date tooltips in Recent Actions and channel comments.
• Bug and crash fixes.
• Fix recording of audio in voice chats.
• Fix media viewer zoom and crashing.
• Implement new audio module code for calls and voice chats.
• Allow retracting votes from polls in comments to channel posts.
• Show small voice chat button for empty voice chats.
• Fix media viewer updating when screen resolution is changed.
• Allow using mouse buttons in Push-to-Talk shortcut.
• Fix blurred thumbnails in Shared Links section.
• Fix possible crash in video calls.
• Fix possible crash in connecting to voice chats.
• Use different audio module code on Windows in calls.

I participated in both private chats and groups, with stickers audio messages.