Please read the pinned post on creating new biomes and dimensions. Remember that individual items, mobs, and structures should still go in their own categories - this is not a category for entire updates.

Vote for an existing idea or New post

8votes
Behemoth's Essence
8votes
Gypsum Desert (desert variant)
8votes
Terracotta Villages
8votes
Underground Water Oceans in the Nether!
8votes
Stone forest biome
8votes
Simply unflatten the nether ceiling and provide late-game access
8votes
Withered desert biome
8votes
The tiny portal
8votes
Changing Biome Mechanics/Generating biomes with rainfall map
8votes
Bee dimension
8votes
Nether Trees
8votes
Blazing Cavern
8votes
Neather oceans
8votes
Zenith Dimension
8votes
The Montane forest and plains
8votes
Honey Dimension
8votes
Savannah highlands
8votes
Alpine tiaga biome
8votes
“Spruce Coast” update
8votes
bushes on swamp instead of trees
8votes
The Negitive dimension
8votes
The Four Corners (dimension)
8votes
Spooky Scary Spirit World!
8votes
Skeleton Dimension (+ Skeleton King Boss)
8votes
The in-between
8votes
Mushroom / Mycelium Dimension
8votes
Hollow earth
8votes
Mountain Range
8votes
Missing biomes: Eroded mountain biome
8votes
Biome specific ore spawn