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
Nuclear Geyser Biome
43votes
The Beginning (New dimension)
5votes
Crying Mountains Biome
9votes
Underwater mountain biome
13votes
Nether biome Ghast Forest
16votes
Ender jungle
9votes
Dry Tundra Biome
20votes
New Demension: Wyvernex
30votes
Shattered Savanna Biome Parity
5votes
under the lava
12votes
Redstone Dimension
31votes
Magma Spikes Biome (For the Nether Update!)
11votes
The withering dephts
4votes
Stone Jungle (biome)
11votes
No rain in savannah and desert rivers
34votes
Rain Forests (Jungle Variant)
15votes
Better Birch Forests
38votes
Basalt hills biome for nether update
9votes
Soul streams absorbed by sand [Nether Update]
20votes
Yellow mushroom biomes and yellow mushrooms
17votes
Lakebed biome
20votes
Nether Biome: Foul Bog
7votes
Changing Biome Mechanics/Generating biomes with rainfall map
32votes
New Hot Biome: "Tropical Wetlands"
20votes
Nether Portal Corruption
9votes
Toxic Badlands
11votes
The Future
4votes
new dimension: Ice & fire
3votes
The Nether jungle
23votes
Land of the Lost (Nether Biome)