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

37votes
Basalt hills biome for nether update
37votes
(Part1/3) Hot Springs Biome, Geysers, New Ore, A New Mob (The Vapor), and More
37votes
animal land
37votes
The crystal dimension
37votes
Personal Dimension
36votes
Warped lands (End update)
35votes
Desert biome: Thornvalley ¬ Badlands idea
35votes
Biome: eucalyptus forests
35votes
The Mythos Dimension – Hub Post (Read First)
34votes
End Biome: Chorus Forest
34votes
End Islands sometimes generate at different heights
34votes
Ether Dimension
34votes
Forgotten Realm
34votes
Darkforest
34votes
Wild, colorful dimension (was: A new dimension!)
33votes
Rain Forests (Jungle Variant)
33votes
Separate Jungles into Jungle and Deep Jungle
32votes
Ash Geyser Biome
32votes
Rare Nether Biome: Greed Islands
32votes
Parasitic Warped Forest
32votes
Fairy Forest Biome
32votes
Obsidian Spikes biome for the Nether.
32votes
An Actual Swamp Update
32votes
Valley Biome that generates in the middle of Extreme hills / Mountains
32votes
Withered Biome(s)
32votes
Impact Biome
31votes
(Nether Update): The Blazing Hollows Biome
31votes
Dried Up Ocean
31votes
Decayed depths (nether biome)