Ryan focused on modernizing the continuous integration infrastructure for the inaturalist/iNaturalistReactNative repository, specifically targeting end-to-end iOS testing workflows. He upgraded the GitHub Actions runner environment from macOS-13 to macOS-14 within the e2e_ios.yml configuration, leveraging YAML to apply these changes across multiple jobs. This update aligned the CI pipeline with the latest operating system and toolchain, reducing test flakiness and enabling faster feedback for mobile releases. By improving the reliability and speed of iOS test runs, Ryan’s work enhanced overall CI stability. The project primarily utilized CI/CD practices, GitHub Actions, and workflow automation with YAML.