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

17votes
Nether Wart Field
4votes
Introducing the glass reef
12votes
Gravel desert biome for the Nether
4votes
Wither Mushroom for the Nether
10votes
Dynamic Chunk Height
10votes
The dead prairies: a new biome with a few features. Kip
1vote
A biome with only hostile mobs spawning.
18votes
Slime cave biome
16votes
The Marsh Biome
29votes
Infected Biome and Irradium
20votes
Underground jungles
6votes
The in-between
17votes
Cave Forest
4votes
Artificial biomes
11votes
Better cave generation in amplified
38votes
McNether Update 1.15 or 1.16
7votes
Nether biome: Red Cavern
1vote
Diesel Fridge's BOSS BIOME!
2votes
Blue Blossom Woods biome
41votes
A biome called the Arachnid Forrest, a place filled with spiders.
7votes
Mushroom / Mycelium Dimension
18votes
Desert flood plains
11votes
Large Oak Forest
13votes
Snowy Giant Tree Taiga
11votes
Every End Gateway should lead to a different End biome.
2votes
The esreveR
20votes
Flower Biome should be less rare to find
3votes
5votes
The frequency of ponds in Bedrock Edition needs to be lowered.
3votes
Dimension specific seeds.