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

21votes
Biome: Sanctuary
21votes
Desert flood plains
21votes
New Dimensions, Elder Stone, Elder Golem! New Boss Fight!
21votes
Arid Shrubland/Grassland biome
21votes
Carbon dimension
21votes
"The Illusion Realm"
20votes
Sea Caves
20votes
The Farwoods
20votes
Caves & Cliff: Lush Caves should Spawn More Often in Jungle Biomes
20votes
End update
20votes
nether fortresses are almost gone
20votes
Individual biome weather
20votes
Ather portal
20votes
Sagebrush Steppe
20votes
Endergreen Forrest
20votes
Lightning canyon nether biome
20votes
Nether Biome: Foul Bog
20votes
new portals
20votes
Underground jungles
20votes
Flower Biome should be less rare to find
20votes
(Nether biome) Lava Ocean
20votes
Desert Update Part 2: New Desert Generation and Exploration
20votes
Underground Forests
20votes
Missing biomes: Basalt column biomes
20votes
Cat dimension
20votes
Raining Mushroom Stew in Mushroom Island Biome
20votes
A new mountain biome
20votes
Village World (was: New World)
19votes
Improved Beaches
19votes
Heating Up Update (Savannah, Desert, and Badlands)