Sorry not sure what you mean? My currently installed version of mesa is 1.25.1.7-1 I did not roll back, I never updated to 1.25.2.**
Before applying the 30/08/2025 update, I added mesa to the ignore list of pacman.conf
IgnorePkg = lib32-mesa mesa
and what I’m proposing, is to remove mesa from the ignore list of pacman.conf before applying the latest upgrade. I assume that what ever was wrong with the previous version of mesa has been fixed in the latest version.