Definitely happening to me on Ubuntu 16.04 with all the latest updates.
** Attachment added: "Screenshot of shadowless gksudo gedit bug" https://bugs.launchpad.net/ubuntu/+source/gedit/+bug/1577246/+attachment/4676657/+files/Screenshot%20from%202016-06-04%2004-24-02.png -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gedit in Ubuntu. https://bugs.launchpad.net/bugs/1577246 Title: window has no shadow when run through (gk)sudo To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gedit/+bug/1577246/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs