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

3votes
The beautiful forests
3votes
Minecraft biome: Hot Spring mounts
3votes
Mega Quarts Mountains (End biome)
3votes
Water Color Across Biomes
3votes
improve swamps
3votes
Nether plates biome
3votes
apple tree forest
3votes
world of the dead
3votes
End islands the purple nightmare (boss)
3votes
3votes
Rocky River and Limestone
3votes
Biomes According To the North and South
3votes
1.18 (The Great Plains Sub Biome)
3votes
mineshafts from another wood
3votes
Haunted Forest Biome
3votes
tree can grow near water in desert
3votes
Raise the bedrock roof in the nether
3votes
Abandoned Village Underground
3votes
Chinese village
3votes
Cream Nether Tree
3votes
Faroe Islands-like Biome
3votes
More Overworld Biome Variants
3votes
New structure for the nether
3votes
End Spider Mob Idea
3votes
Burnt forest
3votes
Desert Update(Sandstorms and New Mobs)
3votes
End biome update - Void Cloud oceans