Apple has released a SMC Firmware Update for the MacBook Pro and MacBook Air.
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
MacBook Pro SMC Firmware Update 1.7
This update addresses a rare issue on some Apple notebooks where a battery that has accumulated more than 1000 charge cycles may unexpectedly shut down or stop functioning.
MacBook Air SMC Update v1.8
This update addresses a rare issue on some Apple notebooks where a battery that has accumulated more than 1000 charge cycles may unexpectedly shut down or stop functioning.
You can download the update by selecting Software Update from the Apple menu at the top left of your screen.
Source: Apple
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