During April 2025, Bukinoshita focused on improving repository hygiene for the resend/react-email project by excluding the benchmarks folder from version control. Using Git and version control best practices, Bukinoshita updated the .gitignore configuration to prevent non-source artifacts from being tracked, which streamlined the repository and reduced maintenance overhead. This change resulted in a cleaner commit history and facilitated faster code reviews, making the project more accessible for new contributors. The work demonstrated disciplined commit management and a thoughtful approach to repository organization, addressing long-term maintainability concerns and setting a standard for isolating auxiliary files from the main codebase.