http://bugs.winehq.org/show_bug.cgi?id=35150
--- Comment #4 from Henri Verbeet hverbeet@gmail.com --- (In reply to comment #0)
What happens: Clicking the arrows doesn't do anything.
I don't think that's entirely correct, the impression I have is that the dropdown is opened but not drawn, or perhaps drawn behind the main window. Moving the mouse pointer down to where the dropdown is supposed to be makes it show up for me.