Subtasks are capable of repeating in two ways:

1. A subtask can have its own repeat rule, repeating as a normal task would.
2. The parent of a subtask can repeat. When a task with subtasks repeats, all subtasks are copied over from the original task with their start and due dates moved appropriately forward. E.g. A task set to repeat every week that is due May 13th containing a subtask due May 12th will repeat due May 20th with a subtask due May 19th.

Note: Only a subtask or its parent can be repeating, but not both.

Note: Subtasks are available exclusively for users. Learn more about Pro features