If you have the “In-App Notifications” enabled, you can expect to receive a notification:
When a Note is updated
When a Note is created
When a Workflow step is updated
When a Task is created
When a Task is assigned
When a User is invited to an Event
When an Event is created
When a Contact is created
When an Opportunity is created
When a Project is created
When a File is added
When a Comment is added
When a Contact is bulk deleted
When an email reminder is not responded to
When a user is notified via an activity reply