Mod Loader (Optional)

Forge

Minecraft Version(s) (Optional)

1.20.1

Mod Version(s) (Optional)

8.1.5

Suggestion (Required)

It would be nice to be able to assign an air type to a biome who would take precedence over the depth air.
It would be useful with mod like Alex's caves who adds massive cave with vegetation which would not make sense to be having yellow air on the bottom.