Thanks for the write up. I also looked into running Resolve but the lack of AAC/MP4 support was the kicker.
Funnily enough, my personal experience aligns with yours - Fedora and I just seem to fundamentally dislike each other. I've tried it several times, as it looks good on paper, but I've had significantly had more issues with it than I ever have with Arch/EndeavourOS.
Mint and Endeavour are pretty much the only distros I'll ever need, I've come to the conclusion.