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

6votes
biomass
11votes
World and Over, A new dimension.
22votes
Withered Depths: A brand new Nether Biome
9votes
Sand Dimension
767votes
Deep Nether
19votes
14votes
Creeper "Homelands"
40votes
(nether biome) fungus cliff side
28votes
Crying Valley Biome
7votes
Granite Forest (Spires)
4votes
17votes
Glowslime
13votes
Barren Plains nether biome
21votes
Warped Waste
18votes
9votes
Nether, cliff curry caves
15votes
Obsidian Canyon
135votes
(Nether update) Thermal vents
15votes
(Nether Biome) Wither Dunes
9votes
Withered desert biome
13votes
Nether update: obsidian valley
54votes
(20w07a) Soul Sand Valley Improvements
35votes
New dimension. Thule.
99votes
(Nether Update) Lava Spikes Biome
19votes
Nether Biome Variant: Crimson Grasslands
35votes
Parasitic Warped Forest
15votes
Garden Of Eden
6votes
Nether Quartz Quarry