The last I checked, the BSDs and most other Unix-likes (and genuine Unix™ variants) don't support Wayland. In fact, Wayland is pretty much Linux-only in practice.
https://wiki.freebsd.org/Graphics/Wayland
> While Wayland isn't ready for general use.
I can't readily find anything to indicate that this claim is out of date. I am aware that Wayland has been ported, but I have not heard of it being widely used, or being "production ready" as per se.