Minecraft wiki entry for Development_versions, associated text: Several new achievements added.
Overkill: Deal nine hearts of damage in a single hit
Enchanter: Use a book, obsidian and diamonds to construct an enchantment table
Librarian: Build some bookshelves to improve your enchantment table
DIAMONDS!: Acquire diamonds with your iron tools
We Need to Go Deeper: Build a portal to the Nether
The End?: Locate the End
The End.: Defeat the Ender Dragon
Local Brewery: Brew a potion
Into Fire: Relieve a Blaze of its rod
Return to Sender: Destroy a Ghast with a fireball