App Store Connect:
"This app includes an app extension that is not supported on Mac and may experience some issues.
Version _ is not compatible and not available on the Mac App Store."
The app was tested on DTK using Run/My Mac (Designed for iPad) and it's working correctly.
We removed all extensions except one that uses WidgetKit. The extension is working correctly on Mac, too.
Are WidgetKit extensions not supported for iOS apps running natively on macOS?
efrac
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Our domain is https:// tuner.efrac.com
Our app and its App Clip are on the App Store, id = 730565023
Both our main app AND the App Clip have associated domain entries: appclips:tuner.efrac.com
apple-app-site-association file is present in both locations: /apple-app-site-association and /.well-known/apple-app-site-association on the tuner.efrac.com website
Now: QR code imgur.com/a/tKB1VCW opens the website instead of opening the card.
iMessage shows the preview card as expected, the Open button launches the App Clip as expected, but if you tap the upper part of the iMessage preview (i.e. the picture, not the Open button), the website is opened.
Smart App Banner is displayed correctly and opens the App Clip.