The most frustrating bug report an Electron maintainer can receive isn't a runtime error or a layout gltich—it's the report that the application simply won't open. The dreaded "Unidentified Developer" modal is a hard stop for user acquisition. While code signing proves who you are, it no longer proves what your code is. Since macOS 10.15 (Catalina), Apple enforces Notarization for all software distributed outside the Mac App Store. If you aren't stapling a notarization ticket to your DMG or ZIP, your app is effectively dead on arrival. Automating this in a headless CI/CD environment (GitHub Actions, GitLab CI, CircleCI) is notoriously brittle due to Apple ID 2FA requirements. This guide implements a robust, stateless solution using App Store Connect API Keys and notarytool , bypassing legacy app-specific passwords entirely. The Root Cause: Gatekeeper & Notarytool Under the hood, macOS Gatekeeper performs a quarantine check on download...
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