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

75votes
Desert update
75votes
(Nether Update) Withering Vents Biome!
75votes
(Biome) Nether Roof Biome
74votes
(April Fools 2020 Content) Random Dimension Generator
73votes
Biome: eucalyptus forests
72votes
New Dimensions
71votes
Ocean Dimension
70votes
Aether update
70votes
Permafrost Caverns
70votes
Vertical Cubic Expansion
70votes
Adding Life to the Underwater Caves
69votes
Caves N' Cliffs: Foggy Hollows
69votes
Nether Update: Black Ice Biome
69votes
Sand Layer Desert Biome
69votes
More Frequent Jungles
68votes
Warped lands (End update)
68votes
An Actual Swamp Update
68votes
Purple Lightning In The End
68votes
(Plains Biome) Decrease the amount of waterholes
67votes
Better lakes and rivers
67votes
Hot Springs Biome: Part 1, The Biome
65votes
Heaven Dimension (was: Overworld, Nether, End, and ******)
65votes
The Underworld
64votes
Soul River Biome
64votes
Boreal forest
64votes
Mediterranean biome
63votes
End update
62votes
Nueva dimension la del el cielo y la de megaminecraft
62votes
The New Beginning - A New Dimension
62votes
Warped forest music