I'm experiencing a contradictory validation issue with DeviceActivityReportExtension that creates an impossible situation:
The Problem:
Without NSExtensionPrincipalClass in Info.plist → App Store Connect rejects upload with: "Missing Info.plist values. No values for NSExtensionMainStoryboard or NSExtensionPrincipalClass found"
With NSExtensionPrincipalClass → Local install fails with: "defines either an NSExtensionMainStoryboard or NSExtensionPrincipalClass key, which is not allowed for the extension point com.apple.deviceactivityui.report-extension"
Setup:
Extension point: com.apple.deviceactivityui.report-extension
Using SwiftUI with @main attribute and DeviceActivityReportExtension protocol
Xcode 16.2, iOS 17.6 deployment target
Code structure:
@main
struct SpoolReport: DeviceActivityReportExtension {
var body: some DeviceActivityReportScene {
// Report scenes here
}
}
The extension builds and runs perfectly without NSExtensionPrincipalClass, but cannot be uploaded to App Store Connect. Adding the key allows upload but breaks local installation.
Is this a known issue? Is there a workaround or correct Info.plist configuration for DeviceActivityReportExtension?
Thank you!
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