Thanks for looking into this. Here is a complete summary of our setup and what we have confirmed so far. App configuration: macOS app distributed via Developer ID (PKG installer) — not the Mac App Store Host app runs as a menu bar agent (LSUIElement = YES in Info.plist) NSApplicationActivationPolicy = .accessory The app runs continuously as a login item — it is always alive Network Extension is a System Extension (NEAppProxyProvider), always running alongside the host app What we have implemented: MXMetricManager.shared().addSubscriber(self) is called in applicationDidFinishLaunching in the host app — as early as possible A separate MXMetricManagerSubscriber is registered inside the Network Extension process at tunnel start Both didReceiveMetricPayloads: and didReceiveDiagnosticPayloads: are implemented On startup we also drain pastPayloads and pastDiagnosticPayloads to catch anything queued while the process was not running The
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Developer Tools & Services
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General
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