Apple have released a number of updates, including an EFI update for the MacBook Pro and the MacBook Air.

Screen Shot 2011 10 27 at 15 38 53

This update fixes several issues to improve the stability of MacBook Air (mid 2011) computers and is recommended for all users.

This update includes fixes delivered in MacBook Air EFI Firmware Update 2.1 that enhance the stability of Lion Recovery from an Internet connection, and resolve issues with Apple Thunderbolt Display compatibility and Thunderbolt Target Disk Mode performance on MacBook Air (mid 2011) models.