A developer signed an installer package in April 2017 and it’s still valid, but Apple signed a Catalina installer app in December 2019 and its certificate has now expired. This article explains why.
Apple
An overview of code signing and certificate requirements to come when macOS 27 is released in a few months, supporting only Apple silicon Macs. How Intel Macs will be affected in the near future.
Analyses of numbers of bundles in the /System folder and significant folders within that, for macOS 10.14.5 Mojave to 26.2 Tahoe. These show how private macOS has become.
Apple has just released an update to XProtect, bringing it to version 5325. As usual, it doesn’t release […]
Apple has just released the update to bring macOS Tahoe to version 26.2, and security updates to Sequoia […]
Apple has just released an update to XProtect, bringing it to version 5324. As usual, it doesn’t release […]
Apple has just released its regular weekly update to XProtect, bringing it to version 5323. As usual, it […]
If you have updated your Mac to Tahoe 26.1, you may be blissfully unaware that it will now […]
Apple has just released an update to XProtect for all versions of macOS, bringing it to version 5322. […]
Download size varies widely. There are many increases in build numbers, fewer in versions. Here are firmware details, links to release notes, and some tantalising observations in the update.
The Eclectic Light Company 