Adrien Caccia focused on maintaining and enhancing benchmarking infrastructure across the worldfnd/provekit, astral-sh/ruff, and luanfujun/uv repositories. He upgraded CodSpeed to version 3.0.1 in all three projects, ensuring up-to-date and reliable performance measurement. In astral-sh/ruff, Adrien addressed a walltime metrics bug, improving the accuracy of benchmark results by refining how metrics were collected and reported. For luanfujun/uv, he refreshed and added dependencies to boost compatibility and performance. Working primarily with Rust and TOML, Adrien applied skills in benchmarking, dependency management, and performance optimization, delivering low-risk, non-breaking improvements that strengthened tooling reliability and measurement precision.