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

25votes
Biome for the nether:Wither Camp
11votes
New Shade biome
5votes
Crying Mountains Biome
13votes
Nether biome Ghast Forest
16votes
Ender jungle
31votes
Magma Spikes Biome (For the Nether Update!)
34votes
Rain Forests (Jungle Variant)
24votes
Land of the Lost (Nether Biome)
13votes
The Wither Caverns
5votes
Nether Biome: Greek Tartarus themed
32votes
Obsidian Spikes biome for the Nether.
11votes
Nether Update: New soul sand in soulsand valley should be called Soul Stone
7votes
Nether Update: That red shrub should be called the Wraithweed
4votes
The Otherworld
35votes
An Actual Swamp Update
10votes
Shadewood trees and "Lost" biome
41votes
Better lakes and rivers
3votes
Vortex and Dark Compass
10votes
The "ultimate​ dimension"
7votes
Crimson biome
22votes
Making every biome relevant! (Specialize plants)
13votes
Great river biome
8votes
Underworld Dimension (Beneath the Overworld)
8votes
Gravel "traps" generating on cave ceilings
32votes
Cave Biomes (as a concept)
59votes
Willow trees
10votes
(Dimension) The Above
4votes
Lightning dimension bone blb
16votes
new biome: the alps
46votes
Forgotten biome