But atm. nobody can tell what the change ready does:
in /boot/config.txt, change the line
dtoverlay=vc4-kms-v3d,cma-512
to
dtoverlay=vc4-fkms-v3d,cma-512Set the resolution to maximum 1080p.
Sam says don’t do that. but fzinken confirm it works, so give it a try