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

15votes
Glowslime
15votes
Rename "Soul Sand Valley" as it contains soul sand AND soul soil
15votes
Final Edge biome
15votes
Lakebed biome
15votes
Make the new Nether Trees grow from the Ceiling as well.
15votes
Diverse ores
15votes
Phantom portals
15votes
Making every biome relevant! (Specialize plants)
15votes
The Marsh Biome
15votes
Desert flood plains
15votes
Flower Biome should be less rare to find
15votes
Haunted Forests!
15votes
Lavenders fields
15votes
(Sea biome) shallow coral reefs
15votes
The Mythos Dimension – Underground World Generation
15votes
Sun City (Mesa biome)
15votes
La ciudad de las almas
15votes
Bioma de Néon e Seus Habitantes
15votes
Famous Real Places World (was: New world pack idea)
14votes
Nether Biome:Ghast Geyser Biome
14votes
Wistman's Wood forest
14votes
Better Birch Forests
14votes
Nether Biome: Foul Bog
14votes
Deadlands Biome
14votes
Nether Deserts
14votes
Biome: Sanctuary
14votes
'Shattered' mountains variant for every biome in the game
14votes
Biome Variation (beach): MARSHLANDS
14votes
Biome: Haunted Forest
14votes
"Edge" biomes like Jungle Edge should be larger