I can confirm that the "Executing "xset -dpms" at startup" workaround fixes the issue for me. I don't believe the issue is with kscreen though, as I'm running a Gnome stack and had the same issue starting with 18.04.
I can confirm that the "Executing "xset -dpms" at startup" workaround fixes the issue for me. I don't believe the issue is with kscreen though, as I'm running a Gnome stack and had the same issue starting with 18.04.