According to http://ubuntuforums.org/showpost.php?p=2722029&postcount=7 this bug has been fixed, and apparently has nothing to do with my own bug. I'll file a new bug report about my own bug when I collect more info, since I think it's more related to gtk-window-decorator.
** Changed in: desktop-effects (Ubuntu) Status: Confirmed => Fix Released -- Latest updates to Gutsy kills desktop effects https://bugs.launchpad.net/bugs/116927 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs