Minecraft wiki entry for Development_versions, associated text: Packed ice
Spawn eggs:
Ghast
Blaze
Ocelot
Glowstone dust
Gunpowder
Redstone dust (brewing only)
Slimeballs
Sugar
Magma cream
Apples
Coal
Charcoal
Iron Ingot
Gold Ingot
Emeralds
Diamonds
Raw Porkchop
Cooked Porkchop
Steak
Raw Chicken
Cooked Chicken
Baked Potato
Bread
String
Beetroot
Beetroot Soup
Mushroom Soup
Boats:
JE 1.9 feature: Spruce, Birch, Jungle, Acacia, and Dark Oak variants
Leather Armor
Iron Armor
Gold Armor
Diamond Armor