TerraBlender
TerraBlender is a library mod that greatly simplifies the process of adding new biomes to Minecraft, ensuring full compatibility with the game's modern terrain and biome generation system.
The mod is available for all popular loaders: Forge, NeoForge and Fabric.
Developers can find detailed documentation on using the TerraBlender API on the official project wiki, which contains all the necessary instructions to get started.