Nga worked on upgrading the dependency management of the facebook/ocamlrep repository by updating the itertools crate from version 0.10.3 to 0.13.0 using Rust. This change addressed deprecation warnings that had been generating build-time noise and impacting CI reliability. By aligning the codebase with the latest crate ecosystem, Nga improved long-term maintainability and ensured compatibility with future features. The upgrade was carefully documented, providing clear rationale for downstream users and maintainers. Although the work focused on a single feature, it demonstrated a thoughtful approach to technical debt management and proactive maintenance using Rust and modern dependency management practices.