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

11votes
End Biome: Corrosive Plains
42votes
Tropical islands biome
53votes
Improved Beaches
94votes
Aether update
36votes
Nature's Update
70votes
Caves N' Cliffs: Foggy Hollows
24votes
Bat Cave
17votes
Lava Ocean Update
8votes
OMAR
17votes
A new metal for the End - Mythral
38votes
Waterfall biome
9votes
infinite demension
13votes
New biome: Cobweb Caverns
21votes
New Dimension: Mytothia
19votes
The Great Plains
27votes
Sagebrush Steppe
102votes
Cave Update idea: melting caves
24votes
Green dimension
118votes
Underground forest
25votes
Glass Desert
35votes
(Nether Update): The Blazing Hollows Biome
24votes
Purple nether wart forest
98votes
New Biome: The Gloam Cavity! [Nether Update]
43votes
Dried Up Ocean
39votes
Decayed depths (nether biome)
31votes
46votes
Wither Woods & Wither Plague