Undo tool missing in header bar
In the pre-CSD era Meld had an Undo button (key shortcut: Ctrl-Z) in the toolbar. (Maybe a Redo button, too, I can't remember now.) I would like to get back at least the Undo button in the new header bar, it was so handy and there is plenty of space for it. Of course, the nicest would be a user-configurable tool set in the header bar: I would remove the push change buttons as I never use them, but that may be only me.