Evan Leibovitch via Talk wrote on 2025-08-08 18:59:
Fedora and KDE based. Immutable. Most installable apps are Flatpaks. Best tuned for AMD graphics. Apparently the best and easiest way to turn any PC into a SteamDeck, ie, gaming system.
Has anyone here tried it?
Haven't tried it. However, KDE fans might be interested in KDE Linux (klinux shirley?), a new KDE-as-intended-by-the-devs project: https://kde.org/linux/ It's has some of the features you're looking for:
Arch and KDE based.
Immutable.
Most installable apps are Flatpaks.
Best tuned for AMD graphics but nVidea 16xx+ via nouveau
It seems they're somewhat constrained by the Ubuntu LTS that KDEneon is based upon as it doesn't update frequently enough. I find the LTS rather important, so not sure if I'll be giving KDE Linux a try, but wish them luck with it.