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

25votes
Fungal Cave
25votes
Glow Squid Environment Ideas
25votes
The Nothing Dimension
25votes
(Nether Update) A violet nether forest biome
25votes
Nether Peaks [New Biome]
25votes
The withered nether biome
25votes
Biome for the nether:Wither Camp
25votes
Nether Vegitation
25votes
Mushroom Biome Update
25votes
Rename the “Soul Sand Valley” to the “Shrieking Valley”
25votes
Cornfield Biomes
25votes
Ice Age Dimension
25votes
The Below-World Update (Part 2): Home Fiery Home
24votes
Improved Beaches
24votes
Snow/Ice Caves in Mountains and other snow biomes
24votes
New dimension (shadow realm)
24votes
The Dark Side of the End
24votes
Corrupted end biome
24votes
Crying Valley Biome
24votes
Land of the Lost (Nether Biome)
24votes
Biome: Roofed Ocean
24votes
Cave Forest
24votes
Desert Update Part 2: New Desert Generation and Exploration
24votes
Inverse Dimension with Nova Boss (was: New dimension and boss)
23votes
Spider Forest
23votes
Topaz caves (Nether Biome Update Idea)
23votes
(Bedrock Parity) Villages in Flat Dimensions
23votes
New Dimensions, Elder Stone, Elder Golem! New Boss Fight!
23votes
End weather
23votes
Void dimension