That’s right, it’s time to grow your carrots and your potatoes, time to bake some humble pumpkin pie, lock your doors from the withers that wonder at night and use your almighty god sword to slay them who dare to attempt to enter your abode!

The features are extensive and can be found when you first launch your Minecraft client. In addition they can be found here: http://www.minecraftwiki.net/wiki/Version_history#1.4.2