This is a Unity bug. I've seen it happening for a number of my windows. In fact, right now, it's happening to my Firefox window.
** Package changed: geany (Ubuntu) => unity (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/883695 Title: Menu and window controls are missing in Geany To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity/+bug/883695/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs