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

1vote
Make mangrove trees turn the water red
11votes
New Types of Weather
1vote
4votes
New dimension
3votes
frozen dimensions
0votes
Skypia
4votes
New Biome for Sky
4votes
Destroyed Village in the nether
7votes
Sifting for gold in the mesa
2votes
Add natural Twisty Quartz Pillar Columns to Nether Wastes & Warped Forests
3votes
Large Jungle Trees in the Sparse Jungle
1vote
Large Oak Trees in the Wooded Badlands
3votes
Dry Swamp
3votes
New Achievement "Ahoy Bastion!" When You Go Into A Bastion In The Nether
7votes
River Rapids
2votes
Tributary
3votes
Biome Differentiation & Addons
12votes
A End Update
7votes
The Lively Update
5votes
Waves/realistic beach
2votes
Lower Snow Heights Back to 1.17 Levels For Colder Biomes
2votes
A place for the wither to spawn
5votes
Better flower forests
10votes
Restore "scale" and "depth" parameters in biome json files
0votes
Midnight Realm
2votes
New Biome/Boss: Pirate Island - Pirate Boss
27votes
Fire on Endstone turn Pinkish/Purple
5votes
Quokkas and the tropics
2votes
Minecraft Continent Update!
0votes
Idea without portal to travel to the dimension of endermites