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.

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1057votes
(Updated 23 April) Ready to talk biomes and dimensions? Here's how. Pinned
1vote
Michael
1vote
The Azalea Trees of The Jungles.
3votes
Minecraft Dinnerbone Seed
2votes
Differing layers for end islands
2votes
Void for 1.18
2votes
Update to the the chorus biome
5votes
palm trees and new tropical biome
2votes
New villages
15votes
Mountain Lake Biome in 1.17
3votes
Extreme Hills Changes and Placement
1vote
Mundo perdido
8votes
Pumpkin Pastures Biome
1vote
Valley biome to form inbetween new mountains
3votes
Biomes: Depressions
4votes
Glaciers
0votes
Noise Type parameter in custom worlds
2votes
New dimension
1vote
Mohammed Salem 47
3votes
netherite-like end mineral
1vote
portal del tiempo
1vote
End update
6votes
New grass like growth for chorus fruit forests in the end
1vote
Biomes & Structures Update?
3votes
Hogstep
2votes
Remove temperature based biome generation
0votes
Biome Generation Ideas
1vote
Better Extreme Hills
2votes
world generation difficulty options
3votes
nether hight limit in bedrock