Yes, this is the same error as #18, it's caused by your system hostname changing in between runs where Bolt stopped unexpectedly. The fix is as I said: delete the files SingletonCookie,...
Glad you solved the issue. --do-not-de-elevate is a flag for the Chromium engine that prevents it from re-launching as non-admin when you run as admin, so it makes sense in your case. For most...
Why are you using the windows version on a steam deck? Bolt, RS3 and RuneLite all natively support SteamOS (an arch linux derivative).
Sorry didn't see this, but yes this was fixed in 0.23.2.
I can't find any info online about what the SteamOS scaling actually does on a technical level, so I can't even begin to imagine what the problem with runelite in particular might be.
Done in 0.23