How does Photos resize images on export or drag?

Photos for OS X has changed its export behavior since its initial release. You almost need a flowchart to figure it out.

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Apple

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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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