The problem with that is that it will not preserve flags and access rights.
It is in testing:
https://archlinux.org/packages/?sort=&q=xwayland&maintainer=&flagged=
Even the joke has mulithreading problems.
Also this one: https://en.m.wikipedia.org/wiki/Sony_BMG_copy_protection_rootkit_scandal
The problem with that is that it will not preserve flags and access rights.