Been playing with the tablet a bit. Still can't get kwin to work. It is possible there is an error with the wayland software. This is the error I get.

[destroyed object] error 0; invalid format 0x34325258
Disabling glamor and dri3, EGL set up failed

I found this recent bug report

https://bugs.freedesktop.org/show_bug.cgi?id=99791

Perhaps the same as problem I'm having. I'm not sure cause all this is above my pay grade...

Not sure what to try at this point. Maybe earlier version of software or VNC. Anyone have success using VNC? If so perhaps some instructions would be helpful. Thanks!