• Bots now support Topics in Groups. • Added the fields is_forum and is_topic_message to Chat and Message respectively. • Bots can send messages to a topic via the new message_thread_id parameter. • Added service messages about new, closed and reopened topics, each with an optional field in Message. • Bots can now create, close, edit and delete topics. • Added chat member permissions for topic management, see can_manage_topics as a field in all relevant classes and as a parameter in promoteChatMember.
Multiple Usernames and Emoji Status •Multiple Usernames are listed by the active_usernames field in the Chat class. • Custom user statuses are now shown in the emoji_status_custom_emoji_id field returned from getChat.