https://bugs.winehq.org/show_bug.cgi?id=37584
--- Comment #10 from Stuart Axon stu.axon@gmail.com --- Will do, there is also another small bug, which I will put in a new ticket -
In winecfg after you apply a theme, not everything gets drawn in the new theme.
Parts get redrawn when you interact with them (e.g. hold down a button, etc)
Here is a video
https://www.youtube.com/watch?v=HLUNoSly0fE&feature=youtu.be
A similar crash to the one I mentioned in the above comment happens after I try using a dropdown in the dialog.