In this podcast Mohammad Azam and Steffen Itterheim discuss the new features in Cocos2d 2.0 Alpha. Some of the highlights of the Cocos2d 2.0 Alpha are shown below:
OpenGL ES 2.0 support (shaders)Better physics integrationIncludes Box2d v2.2.1 & Chipmunk 6.0.1: Templates updated with new best practicesMuch faster Motion StreakImproved ProgressTimerMuch easier to create “Double Resolution” sprites in Retina DisplayRetina Display code rewritten: double viewport instead of position. Everything is in points.Improved profiling APISimplified Sprite / SpriteBatch source codehttp://ftp.learn-cocos2d.com/Cocos2d_2_Alpha.mp3