Thanks for the link, @jbzfn, but I think it is important to emphasize the main message from the original article, not the summary from @phoronix: the *BSDs have their own fork of with a richer feature set, and better generic acceleration compatibility.
The question is about when does BSD stop supporting that fork, and for now the answer is that they will still do it…
Original article in the NetBSD blog:
https://blog.netbsd.org/tnf/entry/x_org_on_netbsd_the