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

7votes
(Nether biome) dead root island
4votes
Make Hardcore Harder (Part 2, World Generation)
9votes
Haunted Hills Biome
4votes
Elemental dimension
1vote
Recolour the Nether
2votes
Enchanted Orb/Pocket Dimensions
9votes
Core of the Earth
10votes
The Smog Heaps—A new Nether biome w/ mobs, blocks (Concept art included)
47votes
14votes
More Shallow Waters at Beaches
5votes
The Deeplands (dimension)
8votes
Giant Tree Forest Biome
3votes
illager dimension
4votes
The Great Beyond
34votes
The Forgotten Biome (Contains Dinosaurs)
4votes
Suggestions Sky Dimension (part 2)
14votes
New World Generation Option
7votes
The Android Biome
2votes
The Cold
25votes
The Fair Forest
15votes
War Ravaged Biome
5votes
Missing biomes: Dirt fields biome
13votes
missing biomes: rocky shores
10votes
Missing biomes: Rocky plains biome
6votes
The Ages
5votes
ghost land
17votes
Missing biomes: Basalt column biomes
4votes
Blue tree springs
9votes
BIOME: Alpine Tundra
3votes
BIOME: Pinewood Forest