An important update for those expecting to update Apple silicon Macs to 26.4, as older versions may crash, and are expected to report firmware version errors.
update
Apple has just released its regular weekly update to XProtect, bringing it to version 5333. As usual it […]
How Software Update settings obtains a list of available updates, and the variants that should contain. How mobile asset catalogues are checked, and preparations made to download the update.
How SilentKnight came about, and how it knows – most of the time – which version of XProtect and other security data your Mac should be using.
Has Apple inadvertently released the full installer for macOS Sequoia 15.7.5? It’s only available as a full installer, not an update, but it’s real.
Overnight, Apple released an update to XProtect, bringing it to version 5332. As usual, it doesn’t release information […]
What to do when you know there’s an update available, but Software Update pretends that it can’t find it. With details of undocumented options for softwareupdate command and more.
Apple has released an update to macOS Tahoe bringing it to version 26.3.1. This adds support for its […]
If you are testing beta-releases of macOS 26.4 Tahoe on Apple silicon Macs, please use this new build of SilentKnight, version 2.12 build 61, as it shouldn’t crash.
How macOS 26.2 updated to 26.3, variation in download sizes, how macOS works out free space requirements to proceed with the update, and its sequence of stages run by a finite state machine.
The Eclectic Light Company 