Worked on the lizongying/homebrew-cask repository to restore reliable installation of the Mactracker application via Homebrew Cask. Addressed a critical bug by removing the www prefix from the download URL to comply with redirection policies, preventing broken installs for end users. Updated the SHA256 hash to match the actual downloaded resource, resolving integrity check failures. Employed Ruby and package management skills to deliver a precise, self-contained patch that closed the issue. Demonstrated careful version-control practices and attention to detail in maintaining Homebrew Cask workflows, ensuring that users could install Mactracker without encountering hash mismatches or download errors.