I can confirm what Paul Hirst said above, it seems to happen when tool tips or drop down menus. It happens with these types of windows: Menu, PopupMenu, DropdownMenu, Dialog, ModalDialog, Tooltip, Notification, Utility.
-- Notifications steal focus from Widget Layer https://bugs.launchpad.net/bugs/346467 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs