I love the recurring feature but for me personally it's missing the ability to move a single task in the calendar without it effecting everything else.
Currently, if my plans change for a certain day and I want to reschedule a recurring task due on it, I'd have to create the task again and thus clutter my calendar. Because I don't want to change my entire future schedule by moving this one task to a later time.
Just a feature to choose wether or not to apply it to all (upcoming/everything) or the single task would help a great deal. Then it would be perfect for setting up a schedule.
Have a nice day and keep up the great work! :)