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macOS 15

An overview of app extensions and plugins in macOS Sequoia

Detailed listings of which appex and plugin types are managed by System Settings, PlugInKit, and beyond. Even the terms used aren’t consistent.

April 23, 2025 Macs, Technology

Why some apps launch very slowly

Opening Pages can take several seconds, and other apps can hang around for 30 seconds before they’re ready to use. Is it XProtect, online certificate checks, or what?

April 22, 2025 Macs, Technology

Apple has released macOS Sequoia 15.4.1 update

Apple has just released an urgent security update to macOS Sequoia to bring it to version 15.4.1. There […]

April 16, 2025 Macs, Technology, Updates

AppexIndexer build 8 has sort and search features

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New version of app extension explorer offers 4 sort orders, adds support for UUIDs, and a ‘live’ search feature to find a UUID quickly and efficiently.

April 14, 2025 Macs, Technology, Updates

Discover appexes with AppexIndexer

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Explore the app extensions installed on your Mac, in a list of well over 400, including many in macOS, and those in 3rd party products.

April 10, 2025 Macs, Technology, Updates

Rise of the Appex: What are App Extensions?

With as many as 500 or more appexes in your Mac, these have become widely used and important. What they are, where they are, and how to control them.

April 8, 2025 Macs, Technology

How robust are APFS clone and sparse files?

How do clone files and sparse files cope with being backed up and restored? Can they save space in iCloud Drive? Some of these answers may surprise.

April 7, 2025 Macs, Technology

Last Week on My Mac: Sequoia Spring

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One of the largest updates to macOS, with the most ever vulnerabilities fixed, Sequoia 15.4 also brings a lot of new components, particularly Private Frameworks.

April 6, 2025 Macs, Technology

Apple silicon VMs struggle to update to Sequoia 15.4

Is it possible to update a VM running macOS Sequoia to version 15.4? Three attempts, three failures. And why are all those file creation dates wrong?

April 4, 2025 Macs, Technology

Apple has released macOS Sequoia 15.4, and 14.7.5, 13.7.5

Apple has just released the update to macOS Sequoia to bring it to version 15.4, and security updates […]

March 31, 2025 Macs, Technology, Updates

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