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plugin

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

How PlugInKit enables app extensions

How PlugInKit gets information about all installed app extensions, nd how it informs the services that use those extensions. Why killing the LaunchServices database may not be a good idea.

April 16, 2025 Macs, Technology

A quick look at QuickLook and its problems

Thumbnails viewed in the Finder, and previews now supporting Live Text and more. But what if it runs into problems? Here’s how to diagnose and solve them.

April 5, 2024 Macs, Technology

How Sonoma 14.1 could stop your camera working

Do you have a third-party camera using its own plug-in? Sonoma 14.1 could disable it. Here’s what to do to keep your camera working, perhaps even better than before.

October 27, 2023 Macs, Technology

What shouldn’t you use an M1 series Mac for?

For the great majority of Mac users, M1 series Macs are a big step forward. But some users want the impossible. What can’t M1 Macs do?

February 1, 2022 Macs, Technology

Inside QuickLook previews with qlmanage

Problems with a document thumbnail or preview? Here’s a neat command tool which can help you diagnose and solve them.

April 5, 2018 Macs, Technology

Les PDFs sont merveilleux: but why is Safari loading them in French?

It only happens when I enable Adobe’s PDF Viewer plug-in, but seems a mystery worthy of Hercule Poirot himself.

January 18, 2017 Macs, Technology

My Mac only runs properly in Safe mode

Start up in Safe mode, and it’s stable; restart in ordinary mode, and your Mac is in trouble. How to identify and fix the problem.

September 20, 2016 Macs, Technology

Is OS X getting too overextended for its own security?

Which Finder Sync Extensions are enabled on your Mac? Are any of them malicious?

July 27, 2016 Macs, Technology

Q&A: Help me access my PNG movies

Q Many of the video files I had before upgrading to Yosemite have lost their custom icons, showing […]

April 25, 2015 Macs, Technology

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