When a task has multiple assignees, add an option to require each assignee to mark the task as complete independently. The task would only move to Done/Closed once every assignee has confirmed completion. This is useful for training, compliance, reviews, or any task that needs to be completed by an entire team or department. Currently the workaround is checklists or subtasks, but a native toggle on the task level would be much simpler and scalable.
For reference, Zoho Projects already offers this as a native toggle ('task completion by each assignee'). It would be great to see ClickUp match or improve on this.