Hi, I've just submitted a pair of patches for the mesa-updates branch: <https://issues.guix.gnu.org/67136> updating xorgproto and xorg-server-xwayland. The xorgproto is a high-impact update (guix refresh reports rebuilding 8710 packages would ensure 22871 dependent packages are rebuilt), but required to update to the latest xwayland as xwayland requires a newer version of presentproto than in the current guix xorgproto package. The updating and ungrafting of mesa and a number of X.org related libraries seemed like a good time (and place) to update xorgproto as well.
Cheers, Kaelyn
