We designed the Framework Laptop from the outset to be a great Linux laptop, and the Framework Laptop DIY Edition comes with no OS loaded to let you bring your favorite Linux distribution. We deliberately selected components and modules that didn’t require new kernel driver development and have been
Nice, Ubuntu LTS (22.04) seems to fully work out of the box. Although I’d have expected more distros to work like that (even the officially-supported Fedora needs some extra steps to get everything running and its stability is described as “some risk”).
I wonder if that just means that Fedora is (almost-but-not-quite) rolling release, and thus is inherently riskier if you need stability? That's how I interpreted it, but if it's referring to some kind of Framework-specific issues, then that's concerning.