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

11votes
Lower Gravity in the End
8votes
Canyon (minor biome)
1vote
THE MOB LANDS
4votes
3rd Chain of Islands Past End Cities
7votes
Slime biome
8votes
A Mixed Forest / Big Oak Biome
1vote
Flower dimension
2votes
Ready Player One Dimension
5votes
Ender Forest
3votes
Dry Steppe
3votes
Selenite Caves
14votes
a anniversary update with Old world gen as a biome
24votes
Magic Mountains
5votes
GamerDimension
1vote
Endther
12votes
Diamond dimension
30votes
Islands change depending on the Ocean Biome/Temperature
3votes
Zombie Land [Biome]
2votes
Virte Dimension (PE)
6votes
Sunken islands
3votes
Code dimension
1vote
Oddity dimension
2votes
Caatinga
38votes
Biome: eucalyptus forests
18votes
Cat dimension
6votes
[Worldgen feature] Hills
6votes
Terraforming biomes
4votes
Generacion de biomas nuevos a partidas antiguas
13votes
Underground: Caverns