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

23votes
Mythology dimension
23votes
Colour Dimension
23votes
CORE dimension
22votes
Spider Forest
22votes
New biome - volcano mountain.
22votes
Green dimension
22votes
(Nether Biome, New mob, new potion) The Crying Sea
22votes
Nether Labyrinth Biome
22votes
Topaz caves (Nether Biome Update Idea)
22votes
Purple nether wart forest
22votes
Making every biome relevant! (Specialize plants)
22votes
Nether Wart Field
22votes
(Bedrock Parity) Villages in Flat Dimensions
22votes
End Deserts
22votes
Complete nether overhaul (links enclosed)
22votes
Void dimension
22votes
La ciudad de las almas
22votes
Disorientation dimension (edited)
21votes
Snow/Ice Caves in Mountains and other snow biomes
21votes
ice stalactites
21votes
New Biome or Dimension: The Rigid
21votes
The Cosmos Dimension
21votes
New Demension: Wyvernex
21votes
Nether Portal Corruption
21votes
Phantom portals
21votes
Biome: Sanctuary
21votes
Desert flood plains
21votes
New Dimensions, Elder Stone, Elder Golem! New Boss Fight!
21votes
Minecraft
21votes
Arid Shrubland/Grassland biome