About MacBook Pro Retina SMC Update v1.1
This update resolves a rare issue where users may experience slow frame rates when playing graphics-intensive games on the 15-inch MacBook Pro with Retina Display. It also includes bug fixes for Power Nap, wake from sleep and fan control.
Boot ROM or SMC Version Information: After this update has successfully completed, your SMC Version will be: v 2.3f35
You can get the update from Software Update or at the link below...