Modern Beta for Forge 1.12.2

• Add replaceRiverBiomes generator setting, which functions like replaceBeachBiomes and replaceOceanBiomes. This setting currently only applies when using both Release chunk and biome sources.
• Update the Modern Beta Plus preset; sea level has been changed from 64 to 63.
• Improve performance when used with the Cave Generator mod, in certain cases. This was previously implemented but broke with a recent update.

Technical Changes

• Deprecate buildBiomeInjectorRules method and add replacement createBiomeInjectionRules method to make it easier to add additional biome injection rules.