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macOS 15

macOS 15.3.2 Sequoia won’t install older macOS on Apple silicon Macs

Can you install macOS Sonoma on an external SSD for an Apple silicon Mac running Sequoia 15.3.2? So far this has defeated two of us on many attempts. With useful tips that should have brought success.

March 28, 2025 Macs, Technology

Controlling LaunchServices in macOS Sequoia

T T Read More

The hidden command tool lsregister can be used to control LaunchServices and its registry, but there are now snags in most of its features, as explained here.

March 27, 2025 Macs, Technology

How macOS Sequoia launches an app

Overview of how different subsystems work together during launching a notarized app, from LaunchServices to checking WritingTools and AI availability.

March 26, 2025 Macs, Technology

LogUI log browser build 31 has better filters

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This new build checks that it can get log extracts, and has a wider range of filters you can use to select which entries it fetches and displays.

March 20, 2025 Macs, Technology, Updates

What happened to macOS in last week’s updates?

T2 Macs updated to 15.3.2 should have a newer firmware version than those who installed the Safari update for Sonoma or Ventura, but what is 14.7.5 and 13.7.5? Time to deconfuse.

March 19, 2025 Macs, Technology, Updates

Last Week on My Mac: The myth of liquid detection

What was this new background service that suddenly appeared in Sonoma 14.1, liquiddetectiond? Why wasn’t it documented until a year later, and is Apple really gathering data about damp USB-C ports?

March 16, 2025 Macs, Technology

USB ports on Apple Silicon Macs: Accessory Security and liquid detection

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How laptop Apple silicon Macs help prevent attack by malicious USB and TB devices using Accessory Security, and why some of them also have liquid detectors in their USB-C ports.

March 13, 2025 Macs, Technology

Why all this privacy protection? An overview

The difference between security and privacy, how consent and intent are obtained, how this works with command tools, important links, lists of protected resources and tccutil arguments.

March 12, 2025 Macs, Technology

Apple has just released macOS Sequoia 15.3.2

Apple has just released an update for macOS Sequoia bringing it to version 15.3.2. There are also Safari […]

March 11, 2025 Macs, Technology, Updates

Manage privacy protection for network devices and others

T T Read More

Survey of other privacy controls, including those involved in scripting and for development. Details of the new control on access to devices on the local network.

March 10, 2025 Macs, Technology

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