Minecraft wiki entry for Development_versions, associated text: Zombies not targeting players
Crash when generating lava
Lava lighting
Water intersecting by caves would be stuck in air
Spiders would instantly attack when you hit them
Savanna and dark oak could be crafted into each other's planks
Top of doors not opening and closing
Potential crash when placing blocks at y 127
Enderman should now have sounds
Emerald blocks were put into decorations
The smooth stone variants now require the correct stone type
Top snow is now destroyed when the block underneath is destroyed
Granite, diorite and andesite drops again