Now that Sierra is unsupported, this update no longer marks its older firmware versions as being errors.
EFI
Updates now distinguish between firmware versions for High Sierra and Mojave, and those for Catalina. Recommended for all users.
There are three software systems at the heart of every Mac: its firmware (‘EFI firmware’), the system kernel, […]
Catalina upgrade may fail to update EFI firmware correctly in some Mac models, notable iMac17,1. Check your firmware!
How reporting EFI firmware versions in SilentKnight will change in the near future, depending on updates.
For the moment, firmware versions for updated Macs are different between those running Catalina, and those running Mojave earlier. How could this affect Sierra, though?
macOS 10.15 Catalina brings EFI firmware updates for all supported models, and subsequent updates have changed those for […]
If you thought that we’d already installed Mojave 10.14.6 Supplemental Update, here’s yet another go at it, with […]
Yesterday’s surprise Supplemental Update for macOS Mojave 10.14.6 does bring EFI firmware updates for four MacBook Pro models, […]
Answers to the most commonly asked questions on my free utilities SilentKnight and its command tool sibling silnite.
The Eclectic Light Company 