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

6votes
End Corrupted Areas
2votes
New biomes in city
4votes
Redstonian Dimension
3votes
Drout Forest (Nether)
6votes
Arctic Circle
14votes
Chunk borders
1vote
Raw dimension
5votes
9votes
Overworld Valley
16votes
unicorn cloud biome
5votes
Asian Style Map
3votes
Maze Biome
12votes
The Past Version of your world
6votes
Wierder Caves
7votes
End mud biome
4votes
Baobab dimension
4votes
Rainbow taiga.
11votes
Nevermore
3votes
The raptchen
6votes
Weightlessness in the End
3votes
Adjacent dimension
5votes
Dirt Caves
6votes
Ender wastes
15votes
Lava Ocean Update
6votes
Blackstone caverns ( Cave update idea )
9votes
Allow custom dimensions to use the same seed as the save file.
2votes
Nether floresta distorcida
5votes
Desert grassland
3votes
Broken end portal
20votes
nether fortresses are almost gone