I can add a project to a subtask. That is awesome. I’d like to be able assign (or change) the parent item of a task in a similar way.
I can @… link another item. I should be able to complete from the same list to identify the parent item of a task by selecting the option from the (…) menu a the top and (add as subtask to item) for items that are not subtasks, or to click an (edit) or X next to a parent item to select a replacement or remove the item from its parent