Why is this feature important to you - It is possible that this feature is important for project managers who want to avoid cluttering their team members' inboxes with notifications for tasks that have already been completed. This could help improve communication efficiency and reduce unnecessary distractions for team members.
How would you like the feature to work - If this feature is implemented, it could work by allowing project managers to configure the project settings to disable notifications for completed tasks. Alternatively, it could be implemented as a user preference, where team members can choose to receive or not receive notifications for completed tasks.
Current Behaviour - No option to change notification specific to this settings.