Leo Varmak worked on enhancing WebView compatibility for iOS 26 in the mobile-dev-inc/maestro repository, focusing on integrating the SafariViewService hierarchy to improve element access and reliability. He modernized the testing framework by updating end-to-end tests and rebuilding iOS test runners to align with the latest iOS and macOS runtimes. Using Swift, Shell, and YAML, Leo expanded test coverage for web views and ensured the CI environment supported upcoming platform releases. His work addressed compatibility issues and streamlined the testing process, demonstrating depth in continuous integration and iOS development while delivering a targeted feature within a focused timeframe.