After Effects CS6 provides several new and enhanced features to improve workflow efficiency and creative capabilities. Key features include Global Performance Cache for faster rendering, 3D Camera Tracker for integrating 3D elements into footage, ray-traced 3D rendering for extruded text and shapes, Variable Mask Feathering for precise masking, and Rolling Shutter Repair for correcting digital camera distortions. Overall, After Effects CS6 aims to help users create motion graphics and visual effects more quickly while providing new creative options.