How the number of bundles in /System/Library has risen from Mojave to Sequoia, and why the last 5 years have been so different from the previous 20.
Catalina
Explanations of how macOS updates work, and their differences between minor updates for Catalina and Sonoma.
Displaying log entries using semantic colour seemed most appropriate using AttributedString, but performs very poorly. The solution is a SwiftUI List view.
Moving away from using the log command tool to obtain log extracts for browsing requires using OSLog. Its API explored and implemented in a demo app.
Which single folder in /System/Library contains the most bundles? Why did the number of kernel extensions in macOS soar from 535 to 788 in less than 2 months?
How Big Sur gained an UpdateBrain that changed macOS fundamentally, and why you can’t get standalone or Combo updaters any more.
Now has more nuanced interpretation of potential problems reported by XPR, and displays a simple summary in a separate reporting panel.
A new utility to quickly check all the anti-malware scans completed on your Mac over the last day or longer. Free of course.
What’s the cost in terms of lost performance of these new anti-malware scans, and how do we get told of their results?
How macOS now has anti-malware scanners checking your Mac automatically many times each day for the most frequent malware.
The Eclectic Light Company 