Apple today posted several up , including: Mac Book Air EFI Firmware Update 1.0 (fixes several issues to improve the stability of MacBook Air computers); Firmware Restoration CD 1.6 (used to restore the firmware of Intel-based Macs); MacBook EFI Firmware Update 1.2 (fixes several issues to improve the stability of MacBook computers); Mac Book Pro EFI Firmware Update 1.5 (fixes several issues to improve the stability of MacBook Pro computers); iMac EFI Firmware Update 1.3 (fixes several issues to improve the stability of iMac computers); and Aluminum Keyboard Update (addresses an issue with the aluminum Apple Keyboard and the aluminum Apple Wireless Keyboard where a key may repeat unexpectedly while typing.