Gencal

When muskets fire, they actually fire.

Stacks, finally, make sense

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

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

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

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