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

221votes
New biome: withered island
216votes
Put the far lands back in the game.
208votes
Improvements to Rivers
175votes
Roofed Forest Overhaul!
167votes
(Java Parity) Nether should use the full 256 world height.
150votes
Brimstone Caves(Nether Update)
150votes
The Spirit World
121votes
Tropical islands
119votes
White sand beaches
115votes
Candy dimension (was: New dimension)
114votes
New Mountain Range Biome with higher building block limit/new mobs
113votes
(Nether update) Thermal vents
108votes
Curse of the Werewolf!
106votes
Sky islands
105votes
The Pillowrock Caves - A Late-Game Cave Biome Inspired by Real World Geology.
100votes
New Nether Biome: Hadean Springs
96votes
Lava Rivers in Nether
96votes
End Forest and End Core
93votes
nether springs 1.16
88votes
(Nether Update) Lava Spikes Biome
88votes
Wasteland Biome
88votes
Atlantis
87votes
Lavender Oasis (End update)
87votes
New dimension: moon
87votes
Deeper Underground
85votes
Large biomes /Amplified Worlds needs info
84votes
Flooded Forest: Something That The Overworld Needs
81votes
New Biome: The Gloam Cavity! [Nether Update]
78votes
Underground forest
78votes
Basalt Layer in Nether