This is a bug in Compiz, not Firefox. There is no need to downgrade, the workaround is already provided in the bug description, which is to disable the Legacy Fullscreen Support workaround with ccsm.
-- Window decoration disappears with firefox https://bugs.launchpad.net/bugs/220443 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
