Gencal

Ratio between coords of ALL dimensions becomes 1 to 1, including Nether

Makes so that molds in Create: Metallurgy do not get pulled out of casting table by hoppers, funnels, pipes, etc.

Stacks, finally, make sense

When muskets fire, they actually fire.

Reimagines your journey to the furnace, your early game (you CAN punch trees)

Remove annoying PneumaticCraft loot from chests

When you die, NBT data on items from your inventory gets cleared. Highly configurable!