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

21votes
Warped Waste
18votes
Nether Oasis / Blight Field (Sub-biomes)
9votes
Nether, cliff curry caves
15votes
Obsidian Canyon
133votes
(Nether update) Thermal vents
15votes
(Nether Biome) Wither Dunes
9votes
Withered desert biome
13votes
Nether update: obsidian valley
54votes
(20w07a) Soul Sand Valley Improvements
35votes
New dimension. Thule.
98votes
(Nether Update) Lava Spikes Biome
19votes
Nether Biome Variant: Crimson Grasslands
35votes
Parasitic Warped Forest
15votes
Garden Of Eden
6votes
Nether Quartz Quarry
7votes
Nether Flesh Pit biome
356votes
(Nether Biome) Magma swamp
83votes
Basalt Layer in Nether
13votes
Shattered Variants of the Nether Biomes
10votes
Dimension Idea: Creeper Origin Test World
7votes
Lava Swamp
10votes
Warped Nether Wastelands (blue lava)
19votes
Nether update biome idea: Nether hotspring
26votes
The Cosmos Dimension
21votes
Lightning canyon nether biome
23votes
Topaz caves (Nether Biome Update Idea)
83votes
Biome Under the Nether Sea: Ancient Ruins, Submerged Caves, Dungeons, Traps
11votes
Generate Nether biomes in three dimensions
19votes
Adaptive / Player Made Biomes
47votes
(Nether) Poison Biome