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

9votes
(Dimension) The Geometric Zone
9votes
High desert biome
9votes
Color Coordinated Biomes
9votes
Dimension: sheep dimension
9votes
Quartzited Forest
9votes
Nether Tentacle
9votes
Sand Dimension
9votes
Nether, cliff curry caves
9votes
Magma Pit (Nether biome idea)
9votes
Super Biomes
9votes
(Nether) Glowing Plains
9votes
Soul streams absorbed by sand [Nether Update]
9votes
Mushroom Biome Big Update
9votes
Change how the Soulsand Valley Looks
9votes
The Nebulan (Dimension)
9votes
Bats in the Nether Upate
9votes
Mushroom Forest (nether biome)
9votes
Nether Biome: withering quagmire/morass
9votes
Nebula Forest Biome (End)
9votes
The "Neverending Nether" Update
9votes
Bushland Biome
9votes
Underworld Raiders
9votes
Deciduous trees/Warm Hued Tree leaves
9votes
Nether Dimensional Update Part 3
9votes
The corrupted
9votes
Electrical Biome! (In my opinion the warped forest is way better)
9votes
The Negaworld (dimension)
9votes
Artificial biomes
9votes
Missing biomes - lichen biome