I dig bazzite but gosh it seems to be a 50/50 shot whether the OS will load to the desktop or actually shutdown when I turn off the computer through the OS. I have it on two machines and one (Intel CPU with Nvidia GPU) works pretty well, the other (AMD CPU and Nvidia GPU) is struggling.
I've gotten into the habit of just going into the terminal and using shutoff instead of using the os button for it. It seems to work every time, and I'm on the AMD CPU, Nvidia GPU situation as well. I'm really hoping this getting into bazzite will fix the issues I have with discord on Wayland.
Don't, being among the first to install a new Nvidia driver version is a good way to get a system that doesn't display anything after being rebooted. I would wait a week or two before installing them (basically when they land in your distros repositories)
I have no idea about Bazzite but since it is based on Fedora Atomic, I would guess at around the same time as regular Fedora. I think realistically if there is a fix for the firefox issues under wayland, it should be there within 2-3 weeks