In addition to several other updates posted during the last ten days, Apple has just updated Aperture, Airport Extreme for Tiger, and Mac Pro's EFI (Firmware).
Aperture 2.1 Update (4.8MB)
Aperture 2.1 updates various features of the application and addresses issues related to performance and overall stability.
AirPort Extreme Update 2008-001 for Tiger (1.3MB)
This update is recommended for all Intel-based Macintosh computers running Tiger OS and improves the reliability of AirPort connections.
Mac Pro EFI Firmware Update 1.3 (1.76MB)
This update fixes several issues to improve the stability of Mac Pro (Early 2008) computers.
In addition, Apple posted a firmware restoration CD image which will be helpful in case of failures during the Mac Pro EFI update.
Firmware Restoration CD 1.5 (2.5MB)
The Firmware Restoration CD is used to restore the firmware of Intel-based Macintosh computers.