[1.12.2] Can the server's Java version be upgraded to Java 21?

[Candy-sky]

Have you considered combining Mohist with Cleanroom in a similar way to CatRoom?
Cleanroom is a high - performance Forge branch. It allows running the game with Java21 for better performance.

https://github.com/NovaEngineering-Source/CatRoom
https://github.com/CleanroomMC/Cleanroom

[Mgazul]

We only support forge official, do not promote software that is unknown and not verified by the community