The first update for the new Mac Pro offers stability and power management improvement during the boot process and when using Boot Camp.
Firmware updates address a rare issue that could prevent booting for systems with excessively used batteries.
A new firmware update for mid-2012 MacBook Airs fixes Thunderbolt-related freezes and other problems.
The latest round of Apple EFI firmware updates tackles Thunderbolt, sleep, and Wi-Fi issues.
Apple's firmware password security is greatly enhanced in recent Mac models, making it a rather robust security feature.
Updates address hangs during heavy CPU loads and more.
Following its first round of updates, Apple has released another EFI firmware update for MacBook Pro models.
If you have an early- or mid-2011 Mac, a firmware update for it might be available.
Apple has released new EFI firmware updates to in part bring the Lion Internet recovery option to more 2010-model Macs.
A few EFI firmware updates are available for some MacBook and Mac Mini systems that enable Lion Internet recovery on them.