Absolutely fantastic and a must-have for the Halloween season on your server! The developer's is highly active, promptly responding to inquiries and swiftly addressing any issues.
Yes, the plugin is working normally in 1.20.1 and it looks super interesting for a Halloween event system, I would like to propose a system where these blocks do not spawn in an area with RG, and also a system where it only works in such a world
Kindly, could you throw me a message in the resource discussion surrounding issues like this next time! I've gone ahead and posted an update with a bunch of patches which should resolve your issues.
Please re-rate if your issues have been resolved :)