### Is this a bug report? Yes ### Have you read the [Contributing Guidelines](https://facebook.github.io/react-native/docs/contributing.html)? Yes. ### Environment ``` $ react-native info Scanning 819 folders for symlinks in /Users/giro/stardust-app/node_modules (11ms) Environment: OS: macOS Sierra 10.12.6 Node: 6.5.0 Yarn: 0.24.6 npm: 3.10.3 Watchman: 4.7.0 Xcode: Xcode 9.0 Build version 9A235 Android Studio: Not Found Packages: (wanted => installed) react: 16.0.0-alpha.12 => 16.0.0-alpha.12 react-native: 0.48.0 => 0.48.0 ``` ### Steps to Reproduce Run the command in the title of this issue. ### Expected Behavior App runs in Release mode. ### Actual Behavior App runs in Debug mode-- shake menu, etc. ### Reproducible Demo Any skeleton RN app.