Worked on the starkware-libs/stwo-cairo repository to deliver a critical dependency upgrade, updating the cairo-vm component to a newer commit. This effort involved modifying Cargo.toml and Cargo.lock to incorporate upstream bug fixes, performance improvements, and new features, all while ensuring compatibility through comprehensive build and test validation. By leveraging skills in Rust, Cairo, and dependency management, the developer reduced downstream maintenance risk and positioned the project to benefit from ongoing enhancements in the Cairo VM ecosystem. The work emphasized stability and runtime improvements, with thorough documentation to support future feature integration and maintainability within the project’s evolving technical landscape.