Safari Technology Preview. Get a sneak peek at upcoming web technologies in macOS and iOS with Safari Technology Preview and experiment with these technologies in your websites and extensions. Safari Technology Preview for macOS Big Sur Requires macOS 11. Safari Technology Preview for macOS Catalina Requires macOS 10.15.
- . After installing this update, the build number for Safari 14.0.3 is 14610.4.3.1.7 on macOS Mojave and 15610.4.3.1.7 on macOS Catalina. Information about products not manufactured by Apple, or independent websites not controlled or tested by Apple, is provided without recommendation or endorsement.
- Learn more about all the topics, resources, and contact options you need to download, update and manage your Safari settings.
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Apple Safari Security Update
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Apple Support Safari Update
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