I'm not sure what the package is, but this is probably because the XFCE indicator is loading the appmenu indicator (thus the applications see it's loaded) but doesn't display it. If you use the machine only for XFCE the easiest fix is to remove the indicator-appmenu package.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/788105 Title: Menus no longer visible in all gtk applciations -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
