Hi,
This morning I did some routine updates (from gnome-software) on my fedora 37 beta (upgraded from 36) and after a reboot, gdm doesn’t start, a white screen appears with a “Oh no, Something has gone wrong.” message.
I tried to switch to tty but after inserting the password, the user login prompt reappears.
From chroot I tried to force gdm on x11 and to put nvidia modules into initramfs but without luck.
Please report this to the QA team here:
https://fedoraproject.org/wiki/QA
Fedora 37 is still in beta and so is not yet a supported release. So, this forum is not the best place to discuss it—only testers are recommended to use Beta at this point, to help catch bugs like these.
yeah, happened to me a few days ago, was testing Fedora37 on a SteamDeck. That was fun, until that same white screen 
I think I’ll wait just a little before making another attempt at 37
Are you using gnome-patched? I had this same issue and ended up solving it by disabling the repo and using sudo dnf distro-sync to go back to the regular repo version of mutter.