Mojira Archive
MC-187716

Nether biome surface builder types incorrectly assume the world height is 128 blocks

This bug happens because the surface builder types for Nether biomes assume the world is 128 blocks tall.
Other surface builder types - which do not make this assumption - do not have this issue.
This applies to these surface builder types:
minecraft:nether_forest
minecraft:soul_sand_valley
minecraft:basalt_deltas
Likely it also applies to minecraft:nether, but I have not verified this personally.