Cascades (Hybrid Beta) [1.20.3]: Minecraft made more inspiring! Minecraft Data Pack
Custom – Minecraft Wiki
My server has a world with custom terrain generation. I stumbled upon this gorgeous landscape and couldn't resist sharing. : r/Minecraft
1.19] The world generator in minecraft:overworld and other dimensions from mods breaks after loading mod with custom worldgen datapack. · Issue #8714 · MinecraftForge/MinecraftForge · GitHub
A completely custom world generator, made with Terrain Control. | Biomes, World generator, Outdoor
Minecraft player spends a year revamping terrain generation, results look beautiful | Alienware Arena