Please read the pinned post on creating biomes and dimensions. This is not a category designed for entire huge updates, this is a biomes and dimensions category. Remember that individual items, mobs, and structures should still go in their own categories.

Vote for an existing idea or New post

9votes
The cracklands dimension
9votes
Sub Nether
9votes
Green Netherwart Forest
9votes
Dead Under Water Biome
9votes
Temple of Midnight
9votes
Floating Mountains and Chasm Islands
9votes
Magnolia biome
9votes
Nuclear Geyser Biome
9votes
Flameing Spikes Biome (Nether Update)
9votes
Redstone Dimension
9votes
No rain in savannah and desert rivers
9votes
Soul streams absorbed by sand [Nether Update]
9votes
Toxic Badlands
9votes
The Future
9votes
Charcoal Forest, Crisps, Temple Of Embers
9votes
Frozen Forest
9votes
Shadewood trees and "Lost" biome
9votes
New world generation type: Better Biomes
9votes
The Grove Dimension
9votes
Late game mining/exploring.
9votes
Frozen Fossil biome under frozen ocean / ice biomes?
9votes
The darklands
9votes
Dark Biomes (Overworld)
9votes
Biome:Cursed forest
9votes
Instant nether portals
9votes
Better cave generation in amplified
9votes
Snowy Giant Tree Taiga
9votes
Scrubland biome
9votes
BIOME: Alpine Tundra
9votes
The End Islands, but better [biomes]