Jack focused on enhancing dependency management within the zed-industries/extensions repository by upgrading the Just extension to version 0.2.0. He anchored this update to a specific submodule commit, ensuring explicit version pinning and reproducible builds across repository boundaries. Using TOML for configuration and leveraging Git submodules, Jack established clear traceability for downstream verification and improved maintainability. Although no bugs were fixed during this period, his work reduced risk in dependency updates and clarified release processes. He documented the changes thoroughly and communicated their implications to downstream teams, supporting smoother adoption and ongoing stability through careful version control and cross-repository coordination.