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

4votes
Wither Mushroom for the Nether
21votes
Dynamic Chunk Height
11votes
The dead prairies: a new biome with a few features. Kip
2votes
A biome with only hostile mobs spawning.
54votes
Slime cave biome
18votes
The Marsh Biome
41votes
Infected Biome and Irradium
20votes
Underground jungles
10votes
The in-between
31votes
Cave Forest
17votes
Artificial biomes
13votes
Better cave generation in amplified
9votes
Nether biome: Red Cavern
1vote
Diesel Fridge's BOSS BIOME!
3votes
Blue Blossom Woods biome
45votes
A biome called the Arachnid Forrest, a place filled with spiders.
8votes
Mushroom / Mycelium Dimension
46votes
Desert flood plains
17votes
Large Oak Forest
18votes
Snowy Giant Tree Taiga
12votes
Every End Gateway should lead to a different End biome.
2votes
The esreveR
21votes
Flower Biome should be less rare to find
3votes
6votes
The frequency of ponds in Bedrock Edition needs to be lowered.
4votes
Dimension specific seeds.
3votes
The megalith dimension: intro
5votes
Strange biome
28votes
Chaparral Biome
6votes
Acacia Forests