You have total control over push notifications you receive for each Workspace and Project. By default, notifications are on for all Workspaces and Projects. You can choose to turn them off for each workspace or individual project.
Navigate to the workspace settings, and then press Notifications to open the workspace notification settings. From there, you can select between Watch, Mention, or Ignore for Email, Mobile, or Browser.
Navigate to the project and press the bell icon at the top format menu to open notification setting for that specific project. You can have Workspace notifications on, but choose to turn notifications off for particular projects inside.