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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984votes
(Updated 23 April) Ready to talk biomes and dimensions? Here's how. Pinned
1vote
Endermen are common in the deep dark
19votes
New World Generation Option
3votes
Try to fix the glitch "rainbow steve"
4008votes
Oasis under review
23votes
(Bedrock Parity) Villages in Flat Dimensions
2votes
The
6votes
Voidlands
1vote
Aerofrost Dimension - Frost Ocean
76votes
Olympus/Heaven dimension
6votes
Caustic Lagoons
0votes
Be able to save .MCA files in Custom Dimensions
6779votes
Volcano Biome under review
10votes
more bioms
10votes
Ecotones - transitions between biomes
273votes
Improvements to Rivers
1828votes
Sandstorms under review
58votes
Caves N' Cliffs: Foggy Hollows
6votes
1.18 the jungle update
14votes
Mushroom Island Update
1vote
Snowy Jungle
1vote
Сделайте города и страны
6votes
New dimension
130votes
New dimension: moon
4votes
Atlantis
2461votes
A Mangrove forest announced
88votes
The Jungle Update: Jungle Terrain improvements
1vote
A Long Journey
1vote
New dimension Sky
3votes
Revert old Ice plains biome mobs