Still experiencing this with Bionic gnome-shell 3.28.3-0ubuntu0.18.04.3 I was actually able to move the mouse for a second before the lock screen appeared.
-- 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