During February 2025, this developer enhanced both lizongying/homebrew-cask and iina/iina by delivering targeted improvements in application stability and user experience. They implemented a stable download URL and refined packaging with a new zap trash path for the Retcon cask, ensuring more reliable updates and smoother package management on macOS. In iina, they improved window management by honoring the 'open in new window' setting and preventing duplicate windows for identical URLs, streamlining the user workflow. Their work demonstrated proficiency in Ruby and Swift, applying application development and DevOps skills to address both user-facing and internal maintenance challenges effectively.