Will new HEVC and HEIF formats work in older versions of macOS and iOS?

wwdc2017 hevc macoshighsiera

During the WWDC 2017 keynote, Apple announced that macOS High Sierra and its suite of Pro Tools apps will have HEVC support.


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Glenn Fleishman is the author of dozens of books. His most recent, updated for iOS 14, iPadOS 14, and Big Sur, are Take Control of iOS and iPadOS Privacy and Security, Take Control of Your Apple ID, Second Edition, and Take Control of Wireless Networking and Security. He’s a senior contributor to Macworld, where he writes Mac 911.
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