Post pictures here of the cool things in new snapshots or unreleased updates, these pictures could be yours or something Dinnerbone tweeted etc.
Here's one I took of 12w34b
It adds things like
-Flower pots
-Wooden buttons that can be activated by arrows
-Item Frames
-Dyed Leather Armor
-Potatoes (raw, cooked, poisonous)
-Carrots and Golden Carrots
The Wither, a new boss