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

28votes
Witch demension
27votes
Horizontal Nether Portals
27votes
Extinguished Lava Oceans
27votes
Fantasy Dimension for the Future: Ascendance
27votes
Random Natural Nether Portals on the Nether
27votes
Ice Caves
27votes
More Storms!: Part 3 Hail
27votes
Add the unused "Mountain Edge" biome
27votes
Another version of The CORE
27votes
April Fool's Dimension
27votes
Milk dimension
26votes
Cherry blossom forest
26votes
Trees should be bigger as you go farther in the biome
26votes
Yellow Netherwart Forest
26votes
A dimension where you can get your dead pets back
26votes
Magic Mountains
26votes
Have biome transition appear smoother and more “realistic”.
26votes
"The Mechanical Dimension"
26votes
Krack Biome (was: New Biome!)
25votes
(Nether Biome) Wither Forest
25votes
Blue fire appears when burnt
25votes
Nether Biomes not being netherack
25votes
Dry ice biome (1.16 Nether Update)
25votes
Scarred Plains
25votes
Vertical Cubic Expansion
25votes
Biome for the nether:Wither Camp
25votes
Nether Vegitation
25votes
Rename the “Soul Sand Valley” to the “Shrieking Valley”
25votes
The Fair Forest
25votes
Bioma de Néon e Seus Habitantes