I have a very similar issue (same error messages) without MobPub framework on iPhone 11 PRO (iOS 14.5) in a cordova app.
I opened a stackoverflow question - maybe it helps:
https://stackoverflow.com/questions/67571345/ios-iphone-11-flashing-black-and-white-while-browsler-is-constantly-reloading-r
@JoeWest: could you already solve the issue?
findMarcel
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Same problem after upgrading to iOS 17.4.1 with an iPhone 11 Pro.
I am using Xcode 15.3. Before the iOS upgrade, building with Xcode 15.3 was working.
Any news?
Same problem after upgrading to iOS 17.4.1 with an iPhone 11 Pro.
I am using Xcode 15.3 on a Apple M1 mini. Before the iOS mobile upgrade, building with Xcode 15.3 was working.
Any news?