NEW FEATURES

• Maya Fluids - Maya Fluid are now supported with full support for motion blur and the ability to produce depth maps, for Deep Shadows, etc.
• RenderMan Controls - A new, consolidated user interface provides intuitive, one-window access to the RfM's basic settings and operations.
• Co-Shader Support - RFM now supports tightly bound light/co-shader combinations.

ENHANCEMENTS

• Upgrade to 15.2 - RFM includes a significant upgrade to the core rendering technology, providing substantial out-of-box performance enhancements.
• Unlimited Threading - Renderings now can take advantage of unlimited threads per seat.
• Enhanced Threading - Significant gains when using multiple processors
• Accelerated Ray Tracing - Substantial performance optimizations
• Render Layers - The pass mechanisms for both implicit and explicit passes has been improved for Maya Render Layer's.

NEW COMPATIBILITY

• 64 bit Vista Support on OSX
• Maya 2011 Support

Read more here!