Yes, this feature would be a HUGE help for our company. We’ll use hundreds of times a day as a way to better communicate without having to inform each of us when something is completed. I believe is not a difficult implementation as you already got the contact of the person that created the task and the contact of the person that is assigned to the task. As you can set up a reminder for the tasker (the person assigned), the Hubspot DEV team can simply link another tick button to remind the taskee (the person that created the task) to be reminded/ notified/ informed when the task was completed. Is quite a basic function really and I don’t get it why it hasn’t been added.