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
Custom – Minecraft Wiki
Minecraft Customized World Preset Generator
Minecraft player spends a year revamping terrain generation, results look beautiful | PC Gamer
Open Terrain Generator Mod 1.16.5, 1.12.2 (Generate Anything) - 9Minecraft.Net
EpicWorldGenerator [1.15 - 1.17.1] | SpigotMC - High Performance Minecraft