Developer here. Apple often rejects app submissions if the app doesn't look optimized for some iPhone device or iPad device. So won't be surprised if they reject new apps and updates for not being optimized for the Duo. This could be their way of getting developers to comply.

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devin 6 hours ago | parent [-]

That seems like a tough road. They've never been able to enforce that iPhone app makers build an iPad-compatible version or vice versa, and this looks exactly like that scenario.

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CharlesW 6 hours ago | parent [-]

It's mostly enforced, the only exception being apps with a legitimate iPhone-only hardware dependency.

iPhone apps must function on iPad in iPhone-compatibility mode, apps must support window resizability as of OS 27, and apps can't detect iPad and refuse to run. And I don't think this is new, but setting the target to iPhone-only doesn't prevent iPhone apps from running on iPad.

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