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

48votes
New Biomes
19votes
New Dimension: Mytothia
55votes
1 in 100 large warped fungus "trees" should generate upsidedown
68votes
Warped lands (End update)
27votes
(Nether Update) A violet nether forest biome
32votes
(New Dimension) The Beginning - Water Dimension (Or another name)
35votes
New dimension. Thule.
98votes
(Nether Update) Lava Spikes Biome
34votes
Parasitic Warped Forest
83votes
Basalt Layer in Nether
12votes
Dimension Idea: Oculus, a world made of glass
12votes
Sub Nether
48votes
Mushroom Biome Update
64votes
Boreal forest
9votes
The Negaworld (dimension)
16votes
Artificial biomes
30votes
Better, Tiered Caves
19votes
Madagascan Spiny Forest biome
1vote
The reversed dimension
9votes
Slime biome
24votes
Cat dimension
47votes
Mountain Biome (realistic)
43votes
Birch Forest Biome Overhaul
22votes
Raining Mushroom Stew in Mushroom Island Biome
62votes
Tide pools on seaside Beaches
88votes
Horror forest
46votes
71votes
Ocean Dimension
7votes
forest of the undead (biome)
8votes
Mushroom Islands Revamp