You could speculate on the wording, but there is currently no such plan to drop Xwayland in the upstream Xorg project. In fact, one of the maintainers seems to

You could speculate on the wording, but there is currently no such plan to drop Xwayland in the upstream Xorg project. In fact, one of the maintainers seems to be enthusiastic about continuing to maintain it for a very long time, now that the workload won't be eaten up by xserver (https://ajaxnwnk.blogspot.com/2020/10/on-abandoning-x-server.html https://ajaxnwnk.blogspot.com/2020/10/on-abandoning-x-server...)