http://bugs.winehq.org/show_bug.cgi?id=20891
--- Comment #2 from matejcik@gmail.com 2009-12-01 11:12:46 --- how should i know? perhaps it communicates with a compositing manager in a way that the new one doesn't understand?
but okay, i'll get back to you if it turns out to be none of compiz's fault, hopefully with more solid version information