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

199votes
New biome: withered island
189votes
Put the far lands back in the game.
176votes
Improvements to Rivers
167votes
Roofed Forest Overhaul!
142votes
The Spirit World
132votes
Brimstone Caves(Nether Update)
120votes
(Java Parity) Nether should use the full 256 world height.
109votes
White sand beaches
105votes
(Nether update) Thermal vents
101votes
Tropical islands
98votes
New Mountain Range Biome with higher building block limit/new mobs
94votes
The Pillowrock Caves - A Late-Game Cave Biome Inspired by Real World Geology.
93votes
Candy dimension (was: New dimension)
90votes
New Nether Biome: Hadean Springs
90votes
Sky islands
89votes
Curse of the Werewolf!
83votes
Lava Rivers in Nether
83votes
(Nether Update) Lava Spikes Biome
83votes
Large biomes /Amplified Worlds needs info
81votes
Wasteland Biome
80votes
nether springs 1.16
80votes
Atlantis
78votes
Flooded Forest: Something That The Overworld Needs
76votes
Basalt Layer in Nether
75votes
Deeper Underground
73votes
City biome (abandoned)
68votes
New Biome: The Gloam Cavity! [Nether Update]
67votes
(Nether Update) Withering Vents Biome!
67votes
Horror forest
66votes
Underground forest