There are different parts of Project life cycles where a user may want to receive more or less notifications in their email or Shotgun Inbox. This feature would allow a user to tune their notification preferences at a per-Project level. This way a user can more carefully curate what notifications they receive for each Project.
If this sounds like a useful feature to you, click the "Me Too!" button, and be sure to leave us your thoughts and use cases in the comments below.