Ivan Barcia contributed to the Homebrew/homebrew-cask repository by enhancing the Metashape macOS installer’s reliability and compatibility. He updated the cask’s SHA256 checksum, ensuring the integrity and authenticity of downloaded files, and introduced a macOS version dependency to prevent installation on unsupported systems. Ivan’s work focused on cask management and macOS application deployment, leveraging his expertise in Ruby to implement these changes. Over the course of one month, he delivered a targeted feature that improved installer security for end users. The scope of work was focused and technical, addressing a specific need without involving broader bug fixes or feature expansion.