Yes. This has been now discussed in the GitHub issue. Lemmy tries to fetch JSON, and kbin responds with HTML including the Cloudflare nonsense.
Here, I started one: https://lemmy.ml/post/1201750
This was enough for me to start my own instance. It’s not too hard with ansible, and Lemmy being Rust it’s not needing that much CPU or RAM.
And I’ll invite my friends here too. If you’re capable of running your own server, do it for your friends. Form small communities and you can always subscribe to the big server communities from your own service.
Whew! I think I dodged the bullet. Upgraded today and it boots just fine. Running HAOS in a vm, so that might be the reason…