Alexander enhanced the gchq/CyberChef repository by developing a CI automation feature that streamlines ChromeDriver version management during installation. He introduced the DETECT_CHROMEDRIVER_VERSION environment variable, enabling the CI pipeline to automatically detect and select the appropriate ChromeDriver version. This approach, implemented using YAML and leveraging DevOps and CI/CD practices, addressed compatibility issues and reduced fragility in automated testing environments. By automating this aspect of the build process, Alexander improved test stability and minimized manual intervention. The work focused on a targeted, infrastructure-level improvement, demonstrating depth in CI/CD pipeline optimization within a short, one-month development period.