New Features-

1. Thread simplified

2. Announcement channel to control posting activity in a channel

3. Shared channel to connect with people outside your organisation on Channel

4. Disable DM to restrict one to one conversations

5. Links and Bookmark

6. New notification sound

7. Custom sections to group conversations in the sidebar

Updates-

1. Mobile app

2. Date in 'All unread' section

3. All new chat header with Pinned, Files, Links, and Bookmarks