The Nature Update

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World Generation

 * Encampments
 * Shipwrecks
 * Stone Henge
 * Catacombs
 * Strongholds now have entrances above ground.

Biomes

 * Coral Reef
 * Badlands
 * Lush Swamp

Blocks

 * Pink Coral
 * Blue Coral
 * Red Coral
 * Orange Coral
 * Purple Coral
 * Cyan Coral
 * Brown Coral
 * Yellow Coral
 * White Coral
 * Black Coral
 * Magenta Coral
 * Light Blue Coral
 * Grey Coral
 * Light Grey Coral
 * Lime Coral
 * Light Blue Coral

Dimensions

 * Netherbrick Wells spawn in the Nether.

Liquids

 * Quicksand ( http://www.minecraftforum.net/topic/2068737-quicksand-wspecifics/ )

Plants

 * Chery Blossom Tree
 * Maple Tree
 * Mahogany Tree
 * Palm Tree
 * Ebony Tree

Food

 * Maple Syrup
 * Coconut