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.
Biomes and Dimensions
Vote for an existing idea or New post
8260votes
Oasis
under review
6528votes
(Dimension) Sky lands
under review
4395votes
Sandstorms
under review
3812votes
Biome: Magic Forest
under review
3119votes
(Swamp) Fog
under review
2645votes
Giants Biome
under review
2637votes
Add natural events to the Nether.
under review
1640votes
1629votes
Dream Biome!
under review