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Apple updates App Store screenshot rules, adds required iPhone Dynamic Island slot

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Developers uploading to App Store Connect may see dimension errors because Apple's screenshot requirements have changed as of November 1, 2026. Apps now need at least one iPhone screenshot sized for the Dynamic Island display, and iPad apps must supply iPad 13-inch images, with App Store Connect scaling the rest. Apple has announced that from April 2027, apps built with the iOS 27.1 SDK or later will need iPhone Duo screenshots, and those submissions will earn an "optimized for iPhone Duo" badge. Screenshots must be PNG or JPEG without an alpha channel, a common problem with rounded-corner Simulator captures. The article's author, who builds a screenshot tool, also shares a full size reference table covering additional devices.

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