Please understand that I haven’t tried or installed Arch Linux yet. From what I understand by reading and watching related videos, Arch is often breaks and a lot of time is required to fix issues. But I have also read comments from arch users who claim that arch has only crashed or caused them problems only a couple of times in a year.
Wouldn’t a stable or non rolling release distro be a great choice for the Steam Deck?? Also, how frequently do the packages get updated on steam os?
The Valve devs have complete control over every update that goes out. If they do something that breaks the system then their testing was inadequate. But even when that does happen, they can quickly push out a patch. Also, having just one hardware target to test for makes things a lot easier.