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
If you are updating the End, update the strongholds too
2votes
Autumm Leaves
4votes
More varied weather
2votes
Suggestion
3votes
The beautiful forests
3votes
Minecraft Alpha Biome
0votes
Stone on ocean floors
8votes
Glowstone Caverns
10votes
Astral Peaks
1vote
Bad Portal Placement
3votes
Minecraft biome: Hot Spring mounts
2votes
More detail for landscape
2votes
new dimension
4votes
Ocean layers(From Top to Bottom)
1vote
Secret farlands type of word
2votes
A potential dimension - the province
5votes
variety of trees
1vote
Estaciones del año
7votes
Deep ocean biome
0votes
less aquifer caves
3votes
More dimensions such as the past with ancient creatures
1vote
Thinner and more overgrown lush caves
4votes
Space? Hear me out.
0votes
nether portal teleport to overworld.
1vote
Dread/Spooky Dimension
7votes
Abyss ocean biome
1vote
New Dimension: The Underplace.
0votes
The world upside down'
0votes
Temperature affects mobs and players
1vote
End forests with island connecters and fruit-geode