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

10votes
2votes
new update with old worlds
6votes
minecraft earth buttercupcow in minecraft
1vote
New rare trees biome in the overworld.
0votes
Maps Where Biomes are Islands
2votes
Swamp ore spawns
1vote
Valley Biome generation
3votes
Change to the Warped Forest
2votes
Polar biome
10votes
Glowworm cave
8votes
Spider cave
5votes
7votes
1vote
4votes
Great ocean
7votes
New biome above the Nether
6votes
Farland Garden: A new end biome
20votes
Araucaria's Biome
4votes
(End Biome) Ender lagoons
24votes
Mushroom Island Update
2votes
deeper biomes
9votes
Southren Utah Biome
13votes
End Makeover 1: Biome 1 and Vegetation
3votes
Hemispheres
6votes
137votes
Dark End - End Biome
5votes
Magma Tubes (A cave varient)