Once you mark a thread ✔️Done, future replies to that thread will skip your inbox altogether. This keeps your inbox from getting cluttered with irrelevant updates.

You’ll only be notified of replies to threads:

  1. where you’ve sent messages or replied,
  2. where you’ve been @mentioned,
  3. in direct messages (DMs) or group DMs,
  4. or that you've explicitly followed.

Follow a thread to make all future replies appear in your inbox.

reference - follow and unfollow.png