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

1vote
The Wonder Dimension
1vote
Beginning Spawn Points (And how they should be tweaked. Maybe?)
1vote
PVP Arena
5votes
Witch Island
1vote
a new biome in the nether bright plains
2votes
Zoglin Rock/Kill field
1vote
Warped forest area manipulation
4votes
End Corrupted Areas
1vote
New biomes in city
4votes
Redstonian Dimension
3votes
Drout Forest (Nether)
6votes
Arctic Circle
10votes
Chunk borders
1vote
Raw dimension
4votes
4votes
Overworld Valley
9votes
unicorn cloud biome
4votes
Asian Style Map
3votes
Maze Biome
11votes
The Past Version of your world
5votes
Wierder Caves
7votes
End mud biome
3votes
Baobab dimension
4votes
Rainbow taiga.
11votes
Nevermore
3votes
The raptchen
5votes
Weightlessness in the End
3votes
Adjacent dimension
4votes
Dirt Caves
6votes
Ender wastes