Original poster here. I switched to 19.04 (disco) in April, and I have never seen this bug again since (default window manager and everything).
-- 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/1532508 Title: Screen contents revealed briefly on resume, before even unlocking To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-shell/+bug/1532508/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs