Maybe check your display settings? My tablet worked out of the box and is treated as a monitor. On x11 it shows up in xrandr.
Wayland seems to be different, maybe I'll install x11 DWM
Have you tried OpenTabletDriver?
Tablets not supported sadly
Make a GitHub issue, or join their Discord server and make a thread in #config-creation. It's fairly easy to add support for Wacom tablets.
~~Not so sure about display output, though. There are some people who know tablets very well, so you can ask them too.~~ I read about your tablet and I think it will be pretty hard to get display working on Linux. It's not an actual display, but a sign pad, I guess?
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