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

2votes
The Start
1vote
Treasure dimension
1vote
The Flora Dimension
11votes
Mound (Cave Biome)
5votes
Swamp oak trees
7votes
Re-add Gravel Beaches
9votes
The RAREST biome of all: the StarBiome
4votes
Hot Spots in the Nether(Part 1/3): The Biome Itself
6votes
Snowless Tundra
35votes
End Islands sometimes generate at different heights
2votes
Сhange in climatic zones from north to south.
2votes
Kaiagon Dimension
3votes
Citrus biome?
20votes
Dragon Biome
16votes
Biome Variation (beach): MARSHLANDS
49votes
Olympus/Heaven dimension
3votes
End Island Void
13votes
Desert Update Part 1: Small Features and Dungeon Overhaul
7votes
Darkness biome for Nether! (Possible new mini-boss)!
32votes
There should be "ore chunks" where certain ores generate more
11votes
Lower Gravity in the End
8votes
Canyon (minor biome)
1vote
THE MOB LANDS
4votes
3rd Chain of Islands Past End Cities
7votes
Slime biome
8votes
A Mixed Forest / Big Oak Biome
1vote
Flower dimension
2votes
Ready Player One Dimension
5votes
Ender Forest