Apple has released EFI updates for the new iMac and 13-inch Retina Display MacBook Pro — iMac EFI Update 2.0 and MacBook Pro EFI Retina EFI Update 1.1, respectively.

According go Apple, the updates address Thunderbolt and Wi-Fi issues, along with sleep-related problems. They also include general performance fixes.

You can learn more about iMac EFI Update 2.0 at . You can learn more about MacBook Pro Retina EFI Update 1.1 at . Both require OS X  10.8.1 or higher.