notable changes:
pause menu added(escape in game where you can rebind your keys)
new joystick/wheel system added to support non Logitech input
full English audio added with voice-over
german translation for menu and errors[later full German audio will be added]
Direct3D10 render has been added
OclRift DK2 for 0.6SDK(win7,win8.1) in mono mode has been added with camera & head tracking
full changelog is here http://steamcommunity.com/app/514970/discussions/0/350540974006719291/