So guys im here to tell all of you that dont know much about the new update whats new and whatnot. If I'm forgetting something please leave a comment so other people can know. Thanks! :0

1. Added Ender Chests
   
2. Added Jungle Temples
   
3. Added Tripwire
   
4. Added Desert Pyrimids (Sorry for spelling!)
   
5. Added A New Game Mode (Adventure)
   
6. Added Trading with Villagers
   
7. Added Emeralds and Emerald blocks
   
8. Added "Bonus chest" option to give players a quicker start in a new world.
   
9. Added new creative mode inventory with search functionality.
   
10. Made it easier to level up by mining ore and smelting.
    
11. Added "Large Biomes" world type.
    
12. Added Writable Books.
    
13. Made it easier to get cocoa beans (jungle trees)
    
14. Automatically detects LAN wolds in Multi-player screen.
    
15. Single-player now runs a server internally.
    
16. Added "Cheats" option in Single-player (enables commands) (Type /help to find all commands)
    
17. Publish the Single-player instance to LAN.
    
18. Added chat settings.
    
19. Added option to turn off and view snooper data.
    
20. Added information on the debug screen (F3)
    
21. New launcher with "Play Demo" button if not premium user.
    
22. Added /seed command to see map seed.
    
23. Added /defaultgamemode to set default game mode in the world (affects new player)
    
24. Added /debug command for profiling.
    
25. Added SRV record lookup support.
    
26. Decreased max Enchantment level from 50 to 30.
    
27. The /tp command can now send player to a specific coordinate.
    
28. Mobs can spawn on flat surfaces (such as upside-down stairs)
    
29. Updated language files.
    
30. Mobs are much less likely to glitch through blocks.
    
31. Server lists can be reordered.
    
32. Nearby items in the world will auto stack.
    
33. Stars are smaller and brighter.
    
34. Sky color in The End has been changed.
    
35. The "Pick block" functionality has been improved.
    
36. Certain items that wasn't stackable can now be stacked. (Buckets)
    
37. Hill biomes are slightly taller.
    
38. Wooden log blocks can now placed side-ways.
    
39. Wooden half-blocks now act as wood.
    
40. Water slowly drips through leaves during rain.
    
41. Minecarts and boats can now be placed by dispensers, if possible.
    
42. Gravel texture has been modified.
    
43. Levers can be placed on the roof.
    
44. Creepers' explosions damage is now modified by difficulty.
    
45. Other bug fixes...
    
46. Removed Herobrine.
    

Thank you for reading this and diamonding. All credit goes to Notch. :)
And you can find this at the minecraft launcher.