Subtasks Tab: I would like to have "subtasks" the first and therefore default tab that is open when clicking into a task. I don't need the "details" tab ever. Also, don't make the button "show closed" yet another click. (it's hidden until you hover btw. Why?) Just default to showing all subtasks regardless of status and don't put it behind a hidden button.
Calendar issue: When creating a new subtask within a main task, I click the "set due date" button and the calendar widget pops up and covers up the due date column for the other sub-tasks. I don't have them all memorized and need to see them when choosing a due date from the calendar. Can we move it to the right a hundred pixels or so?