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?
firmware
macOS 10.15 Catalina brings EFI firmware updates for all supported models, and subsequent updates have changed those for […]
If you’ve been running pre-release firmware on your Mac’s T2 chip, trying to revert to a release version could brick it.
Apple started the 10.14.6 update on 22 July, and has (perhaps?) completed it on 26 August, almost as bad as with High Sierra last year. Does this bode ill for Catalina?
Although mainly aimed at Macs with T2 chips, this update brings better saving of main window size and position too.
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.
Ideal for keeping an eye on networked Macs, this command tool can do everything SilentKnight can in the way of firmware and security update checks.
Why couldn’t you install Security Update 2019-004 on your T2-free Mac, when the problem was in its T2 firmware update?
The Eclectic Light Company 