I think the lack of replies speaks volumes here! It's pretty solid. I had the resolution bug with the offline installer, was pretty simple to work around, just had to press troubleshooting on the grub menu and select low graphics mode or whatever option was.
It doesn’t install on a 64gb deck but otherwise I’ve done multiple installs without issues. Here’s my installation video walkthrough https://youtu.be/doQW1FyAISQ
A full walk through for Bazzite Linux on a Steam Deck done completely from the Steam Deck. You'll need a keyboard, USB drive, and docking station to complete the installation.