Aaron contributed to Homebrew Cask repositories, focusing on automating beta release delivery and maintaining up-to-date assets. Working primarily in Ruby, he enhanced the XcodesOrg/homebrew-cask project by implementing automated beta release tracking and update mechanisms, including support for beta version formats and auto-update functionality. This reduced manual maintenance and improved reliability for users testing pre-release software. In the lizongying/homebrew-cask repository, Aaron updated the Follow app and OPPO Sans font casks, ensuring integrity through refreshed SHA256 checksums and updated documentation. His work demonstrated depth in package management, font management, and Homebrew Cask management, emphasizing maintainability and user experience.