During October 2025, Leo Jay developed a Notification Service Extension for the firebase/quickstart-ios repository, focusing on enhancing push notification capabilities in MessagingExampleSwift. He implemented a new NotificationService class in Swift, integrated it with the AppDelegate, and updated project configurations to enable seamless image handling within notifications. Leveraging Firebase Cloud Messaging and App Extensions, Leo also enabled FCM BigQuery export to provide improved delivery metrics and analytics. His work addressed the need for richer notification content and better telemetry, demonstrating depth in iOS development and backend integration. The project did not involve bug fixes but delivered a robust new feature.