Andrew Barnes focused on improving Java environment management across macOS package ecosystems, working on both the macports/macports-ports and Homebrew/homebrew-core repositories. He upgraded the jenv port to versions 0.5.9 and 0.6.0, aligning distribution references and updating resource URLs to ensure users accessed current and reliable sources. His work included incorporating changelogs for better transparency and updating configuration files to enhance package management workflows. Using Ruby, Shell, and build system expertise, Andrew’s contributions targeted resource integrity and developer experience, addressing environment reliability for both end-users and CI pipelines. The work was feature-driven, with no recorded bug fixes during this period.