During June 2025, Peter Wu focused on simplifying the Homebrew/brew command-line interface by removing the unused --force-auto-update option from the brew tap command and updating related Homebrew Bundles configurations. Working primarily in Ruby and Shell, Peter applied code refactoring and testing skills to deprecate legacy functionality, reducing maintenance overhead and clarifying the CLI for both users and automation. This targeted cleanup addressed issue #19856 and aligned the codebase with Homebrew’s deprecation policies. While no major bugs were fixed, the work improved long-term stability and prepared the repository for future refactors, demonstrating thoughtful engineering and attention to maintainability.