I’ve managed to get screen sharing working for network assistance by building x2goclient from source. Trust me tl;dr!
Haven’t tried on Wayland though, Wayland’s been so buggy lately I’d rather not try. If you want screen sharing just plus one this issue
Maybe add a note in there that you want the server too.
Nah they still do what they can from time to time afaik. Anyway it may be worth mentioning that the anydesk flatpak does work fairly bug free although not the most immersive experience. But I prefer tunneling over ssh, IMHO it’s safer for the client.