Please read the pinned post on creating biomes and dimensions. This is not a category designed for entire huge updates, this is a biomes and dimensions category. Remember that individual items, mobs, and structures should still go in their own categories.

Vote for an existing idea or New post

27votes
Ether Dimension
3votes
Void village
24votes
Birch Forest Biome Overhaul
19votes
Tropical Rainforests
27votes
(Part1/3) Hot Springs Biome, Geysers, New Ore, A New Mob (The Vapor), and More
43votes
46votes
Ocean Dimension
4votes
The permaforest (part 1)
21votes
Scarred Plains
14votes
Snowy birch forest
7votes
The Crystalized Nether
25votes
Ash Geyser Biome
11votes
Weeping Forest
3votes
Добавление ада и ендер мира
33votes
Warped forest music
18votes
Nether Labyrinth Biome
22votes
End Biome: Chorus Forest
13votes
New Nether Biome: Gravel Graveyard
94votes
(Nether update) Thermal vents
9votes
Nether update: obsidian valley
10votes
Dimension Idea: Creeper Origin Test World
54votes
Biome Under the Nether Sea: Ancient Ruins, Submerged Caves, Dungeons, Traps
36votes
(Nether) Poison Biome
37votes
Sulfuric Wastes Biome
15votes
Rename "Soul Sand Valley" as it contains soul sand AND soul soil
41votes
The Blazing Desert (Nether Biome)
21votes
Biome for the nether:Wither Camp
5votes
Lava Lakes in Plains Biomes Slowly Create a "Praire Fire"
9votes
New Shade biome
33votes
End Forest and End Core