First and foremost I can't access any of my older games. I get a packet error whenever loading up the games. 

When I start a new world I get the packet error as well. After restarting the game the new maps will open. But other bugs have been noticed. 

• Swimming on the surface, the game thinks I am under the water and start losing oxygen.
• Everytime I open the crafting table it is set to all the recipes. Used to remember my setting