Confirmed for Firefox (I don't use Thunderbird). I thought it's a refresh problem with compiz and my computer being too slow :). It also happens when a window "unshades".
-- Enabling Desktop Effects, some part of firefox and thunderbird windows are black for few seconds when I deminimize them. https://bugs.launchpad.net/bugs/113086 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