Created attachment 131642 [details] Backtrace of KWin while on the frozen screen SUMMARY Frozen cursor on black screen after logging in in sddm STEPS TO REPRODUCE 1. Setup your system as described in https://community.kde.org/Plasma/Wayland/Nvidia or http://blog.davidedmundson.co.uk/blog/running-kwin-wayland-on-nvidia/ 2. Log in KDE Plasma Version: master/ 5.19.80 KDE Frameworks Version: master / 5.75.0 Qt Version: 5.15.0
Turns out you need to manually libnvidia-egl-wayland1 on Neon and probably Ubuntu, too...
Can you update the wiki please.
Just had a look and the Wiki has been updated by David this morning.