Crowd-sourced micro-site: Is it Safe? (to upgrade to Big Sur?)

I honestly have no idea if all my development tools will still work if I upgrade from macOS Catalina. There are plenty of reports of problems, even in Big Sur 11.1. So I whipped up this GitHub Pages / Jekyll / one-page website to crowd-source the answer:

GitHub is turning into a great community platform — for techies, at least. E.g., the just-out-of-beta Discussions Feature looks pretty great. I’m wondering if this is a good recipe for crowd sourcing a database of knowledge.