During February 2025, Fengtxt focused on improving documentation quality for the mrdoob/three.js repository. He addressed a documentation bug by correcting a spelling error and refining HTML formatting, specifically ensuring proper newline termination at the end of the HTML file. Working primarily with HTML and leveraging his documentation skills, Fengtxt’s changes enhanced the accuracy and consistency of the project’s documentation, making it more reliable for rendering and easier for new contributors to navigate. While no new features were introduced, his targeted cleanup aligned the documentation with project standards and contributed to the maintainability and onboarding experience for the three.js community.