Prevent baby zombies and other baby hostiles from spawning in your world
Make Andesite, Diorite, and Granite drop cobblestone unless silk touched
Amp up your survival difficulty with faster, smarter, and tougher mobs
Increases Horse speed by 50% (Also donkeys and mules)
Make notch apples (enchanted golden apples) craftable again
Buffs the sharpness enchantment to be what it was in 1.8
Makes minecarts 25% faster and removes water slowdown
Buff all good armor and tools to be better than iron but worse than diamond