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

45votes
A biome called the Arachnid Forrest, a place filled with spiders.
10votes
The RAREST biome of all: the StarBiome
2votes
Ready Player One Dimension
68votes
(Plains Biome) Decrease the amount of waterholes
79votes
The Tangle (New end Biome)
119votes
Large biomes /Amplified Worlds needs info
179votes
The Spirit World
15votes
The Ocean Abyss
80votes
Frozen Cave!!
54votes
Cave Update Dimension (Adding to Cave Update idea)
69votes
Nether Update: Black Ice Biome
54votes
(20w07a) Soul Sand Valley Improvements
19votes
Make the new Nether Trees grow from the Ceiling as well.
68votes
Purple Lightning In The End
37votes
Phantom sky ruins with mother phantom boss
69votes
More Frequent Jungles
16votes
(Bedrock) Decrease amount of visible caves
91votes
City biome (abandoned)
85votes
Adding the solar planets and portals to them
17votes
Need Large Biomes 1.18
23votes
Forest update
10votes
The paradise dimension and white obsidian
47votes
Deep Dark Oceans
52votes
Slippery moss for caves and clifs
10votes
The Abandoned World (New Dimension)
18votes
A petrified forest biome
6votes
The Chaostrom
40votes
Idea to make birch forests more unique/interesting
53votes
(Dimension) The Desolate City
42votes
End Update Mostly Aesthetic