Although the Nether biome is a hot topic, remember that items still should be put in their proper categories, even if they are Nether related. Please read the pinned post on creating biomes and dimensions. Please put items for the new Mountains and Nether Updates in their proper categories. Remember portals are structures, that includes Nether portals.

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715votes
Ready to talk biomes and dimensions? Here's how to do it! (Start Here) Pinned
1578votes
(May/June 2018) Featured Topic: Underground!
3962votes
Volcano Biome under review
2872votes
Oasis under review
1157votes
Add natural events to the Nether. under review
1719votes
(Dimension) Sky lands under review
845votes
Make it rain in savanna biomes so that we can bless the rains down in Africa! under review
1714votes
New Biome Called Cherry Blossom Grove under review
576votes
Natural Disasters
1164votes
Biome: Magic Forest under review
639votes
Dimension: The Abyss
1371votes
Giants Biome under review
507votes
Dream Biome! under review
1224votes
Sandstorms under review
1113votes
(Swamp) Fog under review
290votes
(July 2018) Featured Topic: The Swamp
222votes
City Biomes
584votes
Deep Nether
235votes
Swamp Overhaul! (Pictures and Textures Included)
319votes
Dinosaur Dimension
158votes
Put the far lands back in the game.
808votes
A Mangrove forest announced
65votes
Deeper Underground
99votes
Brimstone Caves(Nether Update)
81votes
(Java Parity) Nether should use the full 256 world height.
49votes
Sand Layer Desert Biome
77votes
Candy dimension (was: New dimension)
528votes
Waterfall Biomes
181votes
Nether Biome: Obsidian Shores