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

39votes
Decayed depths (nether biome)
66votes
Soul River Biome
11votes
Temple of Midnight
75votes
(Nether Update) Withering Vents Biome!
15votes
Floating Mountains and Chasm Islands
6votes
Lava Lakes in Plains Biomes Slowly Create a "Praire Fire"
4votes
Erosion noice map for mountain gen
9votes
Magma Pit (Nether biome idea)
7votes
Clay Flats
79votes
(Biome) Nether Roof Biome
34votes
Fantasy Dimension for the Future: Ascendance
182votes
Brimstone Caves(Nether Update)
11votes
New Shade biome
5votes
(Biome) ender of eye
49votes
Fairy Forest Biome
61votes
New Biome: Mushroom Cave
231votes
End Forest and End Core
10votes
Super Biomes
9votes
(Nether) Glowing Plains
14votes
Nuclear Geyser Biome
57votes
The Beginning (New dimension)
5votes
Crying Mountains Biome
14votes
Underwater mountain biome
15votes
Nether biome Ghast Forest
18votes
Ender jungle
12votes
Dry Tundra Biome
25votes
New Demension: Wyvernex
40votes
Shattered Savanna Biome Parity
5votes
under the lava
18votes
Redstone Dimension