Log: https://paste.dimdev.org/uniwixowoz.mccrash

Extremely large oof moving at incredible speed

0bdadc6

I'm having the same issue. This happens even if there are no other mods installed. The fairy rings also seem to be spawning above every single diamond and emerald ore cluster, not just some of them.

My log from an instance with only Quark and Autoreglib: https://gist.github.com/DefinitelyNotFred/a6473f591292d7a082af368cb40de8fc