I've been doing some random qa of popular apps lately, and think I've found some regressions caused by the gecko update: http://bugs.winehq.org/show_bug.cgi?id=16869 - Sketchup 7 crashes when bringing up 3d Warehouse http://bugs.winehq.org/show_bug.cgi?id=16892 - Yahoo Messenger 8.1 crashes after it puts up the instant message window
Hmm, can we have a debug version of the gecko download so we can give more useful backtraces?