I had the issue once today. It happens randomly, not always when an app is maximized. Difficult to reproduce (happens like one time in a hundred). I'll mark this confirmed, seems more like a gnome-screensaver issue than Unity.
** Changed in: gnome-screensaver (Ubuntu) Status: New => Confirmed ** Changed in: unity Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-screensaver in Ubuntu. https://bugs.launchpad.net/bugs/911057 Title: Window title visible when screen locked To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/911057/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs