Worked on denoland/chromium_build to enhance dependency management and security by upgrading the Rust cxx crate from version 1.0.141 to 1.0.143. The approach involved configuring the build system and performing thorough security and safety audit checks to ensure compliance with third-party risk management standards. Leveraged GNI for build configuration and utilized Cargo-based workflows to streamline the update process, maintaining full traceability through detailed commit documentation. The work focused on semi-automated maintenance of third-party dependencies, improving the repository’s security posture and build reliability without introducing user-facing changes or new feature flags, and did not involve direct bug fixes.