Terrain and Structures

Terrain Features

World Decoration (Version 1.2 and up)

Entities (Version 1.2 and up)

Skeletons
Zombies
Spiders
Blazes
Creepers
Endermen
Slime
Cave Spiders
Endermites
Ghasts
Giant Zombies
Guardians
Iron Golems
Magma Cubes
Pigmen
Polar Bears
Shulkers
Silverfish
Snowmen
Witches
Parrots (Only 1.12.2)
Wither Skeletons (Only 1.12.2 and 1.11.2)
Strays (Only 1.12.2 and 1.11.2)
Husks (Only 1.12.2 and 1.11.2)
Withers (Prevents them from spawning, not being created, resources will be lost)
Dragon (Prevents them from spawning, not being created, resources will be lost)
Villagers
Zombie Villagers (Only 1.12.2 and 1.11.2)
Horses
Donkeys (Only 1.12.2 and 1.11.2)
Mules (Only 1.12.2 and 1.11.2)
Wolves
Llamas (Only 1.12.2 and 1.11.2)
Evoker Fangs (Only 1.12.2 and 1.11.2)
Bats
Evokers (Only 1.12.2 and 1.11.2)
Vindicators (Only 1.12.2 and 1.11.2)
Illusion Illagers (Only 1.12.2)
Ocelots
Ender Crystals
Eggs
Rabbits
Pigs
Sheeps
Cows
Chickens
Squids
Skeleton Horses (Only 1.12.2 and 1.11.2)
Zombie Horses (Only 1.12.2 and 1.11.2)
Shulker Bullets
Dragon Fireballs
Elder Guardians (Only 1.12.2 and 1.11.2)
Fireballs
Small Fireballs
Large Fireballs
Snowballs
Arrows
Experience Orbs
Ender Eyes
Ender Pearls
Spectral Arrows
Mooshrooms
Potions
Experience Bottles
Item Frames
Primed TNT
Tipped Arrows

Planned Features

~~Ore spawn control in some form or another~~ Completed. Will be released once other features are done.
Replace blocks in world, like Stone, Dirt or Grass with another block. About half done at the time of writing this

No Caves!