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

3votes
Phantom Dimension
18votes
Nether Deserts
3votes
New world type: Apocalypse
9votes
Bushland Biome
12votes
Utopia dimension (Portal found in jungles)
21votes
Phantom portals
3votes
Tight oak tree biome
15votes
The "ultimate​ dimension"
3votes
Twisted Dimension
2votes
Asphalt Lakes - (Mini-biome)
2votes
A moorland/heath biome
8votes
bushes on swamp instead of trees
2votes
The EndLands
10votes
Underworld Raiders
10votes
Late game mining/exploring.
7votes
glacier cave
2votes
(Biome) Walnut Forests
9votes
The Negitive dimension
4votes
Arachnid Dimension
9votes
The Four Corners (dimension)
28votes
Random Natural Nether Portals on the Nether
2votes
Branch dimension nether
69votes
Purple Lightning In The End
4votes
Western town
2votes
The Fallen realm
5votes
Thick forest biome
30votes
Ocean levels, deep sea creatures & how to survive
7votes
Crimson biome
33votes
A dimension where you can get your dead pets back
8votes
Death dimension