Wayland seems ready to me but the main problem that many programs are not configured / compiled to support it. Why is that? I know it's not easy as "Wayland support? Yes" (but in many cases adding a flag is enough but maybe it's not a perfect support). What am I missing? Even Blender says if it fails to use Wayland it will use X11.
When Wayland is detected, it is the preferred system, otherwise X11 will be used
Also XWayland has many limitations as X11 does.
That's a terrible example, because they completely ignore the many many years old standardized APIs (screen casting and remote desktop portals) that they could use, in favor of doing hacky and broken things that require root access instead.
Even then, is that a documentation and centralized standards issue? Was there some list they could have/should have looked to that said 'this is how that is implemented on Wayland vs X'?
The github repo has tons of issues about the problems caused by the hacks (from the cursor not being recorded, to it not working in Flatpak, not working with virtual displays, to even preventing graphical sessions from starting!) with the suggested solution of just using the remote desktop portal... I don't know what the problem is, but it's not a lack of knowledge.
Fair enough.