http://youtu.be/yl8fueQ_g7s
This bug is SUPER annoying and I`ve seen alot of other people struggling with it also, Basicly whats happening is whenever i create/join a world the screen turns blue and i cant do a S*it if i press "F11" to go to Fullscreen the world shows up for like 4 secs and then turns blue again, also if i press "escape" i can see my mouse, same thing with "e" inventory button. Its pretty Damn annyoing as me and my friend wants to play together, also his minecraft works perfectly when he creates/joins a world so idk
Java: update 67 x64
RAM allocated to launcher: 3GB
Specs: I have a pretty good pc, i can get well over 300 FPS in normal minecraft