http://bugs.winehq.org/show_bug.cgi?id=15747
--- Comment #6 from Dan Kegel dank@kegel.com 2011-11-12 16:52:19 CST --- No, the problem in firefox 3.6 and above (including firefox 7) is different, that's bug 29077.
I'll try to dogfood firefox for a week and report back.