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

17votes
(Nether Update) Witherstone Caverns Biome
17votes
Ender jungle
17votes
Lakebed biome
17votes
Boglands, a new biome for the nether
17votes
river logs
17votes
Nether Deserts
17votes
Haunted Forests!
17votes
New World Generation Option
17votes
Biome Variation (beach): MARSHLANDS
17votes
Igloo villages
17votes
Ice Dimension
17votes
(Sea biome) shallow coral reefs
17votes
The Mythos Dimension – Underground World Generation
17votes
Abandoned War Site/Junk Biome
17votes
Famous Real Places World (was: New world pack idea)
17votes
Random parkour biome
16votes
Farlands as a very very rare biome
16votes
The Ether Dimension
16votes
White desert
16votes
Green Fire/ the nether's core biome
16votes
Ender Swamp
16votes
Wistman's Wood forest
16votes
Glowslime
16votes
Nether update biome idea: Nether hotspring
16votes
Adaptive / Player Made Biomes
16votes
Plant life in Soul Sand Valley biome
16votes
16votes
Infested Forest [New Nether Biome]
16votes
(Nether Biome Idea 1.16) Colorless Caverns
16votes
Make the new Nether Trees grow from the Ceiling as well.