
Dragging the divider, or hiding/showing or undocking and redocking either/both windows does not restore the correct size.
This is with Windows theme overriding skin.
Workaround: undock the Now Playing window, exit and relaunch MM, redock the Now Playing window.
Was in 1170.
EDIT(TC) Tracked at http://www.ventismedia.com/mantis/view.php?id=6895