GrapheneOS works well. But only on pixel devices.
Atuin Magic Shell History is pretty good.
If you’re looking for a wide range of games tested, NizVicious. FreddysGamingBenchmark focuses on the steam deck. EtaPrime usually test all his builds in linux at some point but it’s mostly the same games as he’s a hardware channel (newer titles get added though).
Watch a truenas setup for it snd compare the permissions maybe? I got it working on my truenas server but it takes a long time to spin up so it seemed borked but was just slow to start. Not directly comparable, I know, but any port in a storm.
Use the comments on protondb. They often list tweeks and troubleshooting steps that have been taken. Check steam community posts for specific games. You can also make your own post if nobody else has had your issue. General searches will usually get you where you need to go. I use kagi but generally anything not google works.
If there is a pin set, decimal on the numpad, else Ctrl or ESC.
It’s easy to recover… if you’re on site.
From what I’ve read, it seems to be a compromise to me. I imagine the dev team didn’t want to do it but compromised with the publisher and in reality they probably don’t want you to buy the dlc, as it defeats some of the design decisions. There’s a good pcmag article detailing the dlc and how impactful it is. My guess is that the general opinion of any reviewers would remain the same regardless (with the context of the pcmag article).
Stars Without Number is a fun system. Traveller can be a bit complex but the character generation is the best.