During April 2025, Yasuda enhanced the developer experience for the kintone/js-sdk repository by delivering comprehensive documentation improvements for the @kintone/rest package. Focusing on Markdown and technical writing, Yasuda revised the README to clarify the package description, highlight its experimental status, and provide clearer installation and usage examples. They also authored a detailed migration guide to assist developers transitioning from @kintone/rest-api-client, covering client creation, authentication, timeouts, and other configuration aspects. By explicitly noting unsupported features and streamlining onboarding materials, Yasuda’s work addressed migration readiness and improved clarity, demonstrating depth in documentation and a strong understanding of developer needs.