The bug appears to be a theming issue. I have not seen it since I replaced the third party theme I was using with the default.
-- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1969266 Title: application windows frozen after screen blanking To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-shell/+bug/1969266/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs