That should not be possible in a Wayland session unless the compositor failed to get old frames displayed before the system went to sleep AND the system went to sleep without displaying the lock screen first... Can you take a video of the issue?
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to 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 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs