During May 2025, Jeff focused on enhancing the reliability of documentation generation in the Kotlin/dokka repository. He addressed two critical bugs by refining version detection logic to exclude non-directory and hidden files, which improved the accuracy of versioning and reduced configuration errors. Additionally, Jeff improved HTML output integrity by rewriting the document export process to prevent extraneous newlines, preserving the intended structure of generated documentation. His work demonstrated strong proficiency in Kotlin, file system operations, and HTML generation. These targeted improvements contributed to a more robust build pipeline and ensured higher quality, user-facing documentation without introducing new features.