Pawel Strzeboński modernized dependency management across the facebook/pyrefly, facebook/ocamlrep, facebook/sapling, and facebook/dotslash repositories, focusing on Rust projects. He upgraded the TOML and Rayon libraries to newer versions, standardizing configurations and improving build reliability and performance. His work included aligning minimum supported Rust versions, enhancing configuration parsing, and resolving compatibility issues across multiple Cargo.toml files. By establishing a cross-repo upgrade pattern and ensuring single, auditable commits per repository, Pawel reduced maintenance overhead and enabled future enhancements. His technical approach demonstrated depth in Rust programming, version control, and library management, resulting in more robust and maintainable codebases.