<ul><li>Starting from macOS 15.0 Sequoia, QuickLook Generator plugins are no longer supported.</li><li>The older QuickLook framework, which supported Thumbnails display, has been replaced with the new framework named QuickLook Thumbnailing.</li><li>QuickLook generators with the extension .qlgenerator have been replaced by QuickLook preview extensions.</li><li>Third-party app extensions that provide QuickLook functionality can be managed in the Quick Look item in Login Items & Extensions in General settings.</li></ul>

Sequoia No Longer Supports QuickLook Generator Plug-ins

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