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

4votes
Unnamed Dimension (with Blazes) needs info
10votes
Corruption/ badlands/ dark lands needs info
31votes
Wastland biome needs info
128votes
Large biomes /Amplified Worlds needs info
29votes
Update Magma needs info