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

29votes
Hot water.
15votes
Glass Desert
18votes
The Abyss
6votes
Abandoned Lab
6votes
The permaforest
10votes
Moist Caverns
25votes
Scarred Plains
26votes
Nether Biome:Ghast Geyser Biome
13votes
Green Fire/ the nether's core biome
2votes
mirror world
32votes
Ash Geyser Biome
50votes
Collided Forest
17votes
Weeping Forest
4votes
Добавление ада и ендер мира
11votes
(Nether) Horrid Grottoes!
20votes
Nether Labyrinth Biome
9votes
The walrus pit
17votes
Timeless Forest
110votes
(Nether update) Thermal vents
12votes
Nether update: obsidian valley
10votes
Dimension Idea: Creeper Origin Test World
64votes
Biome Under the Nether Sea: Ancient Ruins, Submerged Caves, Dungeons, Traps
39votes
(Nether) Poison Biome
48votes
Sulfuric Wastes Biome
50votes
The Blazing Desert (Nether Biome)
18votes
The withered nether biome
17votes
Nether Surface -- An incredibly harsh, Alien Planet
17votes
(Nether Update) Witherstone Caverns Biome
25votes
Biome for the nether:Wither Camp
10votes
New Shade biome