I would love to see the ability to have certain tasks automatically cleared if not completed by their due date/time. For example, I have tasks that are set to repeat every day but are more aspirational than important (e.g., read a book). So, if I don't get around to it today, I would rather the task just automatically reset itself for tomorrow rather than show as overdue tomorrow. Obviously I can currently just check the task as completed manually, but an automatic feature would make it cleaner.
I would like this too. I have a checklist for stuff to do at work which I have neglected to check off as completed since the beginning of December. Now I will have to sit there and check off each one for each day (there are at least 15 tasks per day). Really wish there was a way to automatically clear all non-completed tasks.