Seems odd too. I'm not sure why it wouldn't support Nvidia cards. The open-source Nouveau drivers for Nvidia cards has been in the mainline kernel for years now. Most Nvidia cards just work out of the box now in Linux.
This is changing! NVIDIA has started modifying their driver architecture to support open-sourcing their drivers, much like AMD did years ago. As part of this process, they've released updates firmwares for newer cards which support re-clocking, which could finally allow Nouveau to run newer NVIDIA GPUs at full speed.
For AMD, lots of people game on the community open-source drivers in Mesa. Presumably the same could be true for NVIDIA in the future.
It's definitely not up for AAA gaming but it's not horrible either. But why restrict Nvidia cards altogether when nouveau already supported by the kernel? Obviously it would be a stop-gap solution until proper support for the proprietary drivers is integrated but people like me can't run Chimera right now. I wouldn't mind trying it but I can't.
> It's definitely not up for AAA gaming but it's not horrible either.
Granted I don't have a recent GPU (1050Ti), but nouveau has been unable to run plasma with compositing enabled reliably for more than about 10 days straight on that system. Sometimes I can clear up the issues by forcing a mode-switch, othertimes it requires I restart Xorg, othertimes a reboot is needed. I should note I gave up on it in late 2021, so things may have improved in that time.
ChimeraOS carried nvidia drivers for years. The issue is that Valve's Gamescope, which is now a requirement for Steam doesn't run well on the nvidia drivers, and old big picture mode got retired.
