I'm also affected by this bug. Log out and log in again fixes it, but after restarting the system it's broken again. Apps like transmission, vlc, libreoffice are affected. Nautilus, Rhythmbox or terminal have borders and shadow around it looking as it should.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2064177 Title: Window borders and shadows missing from GTK3 dialogs To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/2064177/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs