Nathan focused on frontend engineering and documentation improvements across three repositories in January 2025. In mdn/browser-compat-data, he updated compatibility data to reflect Safari 18’s partial support for the content-visibility: auto CSS property, ensuring accurate browser support information. For iTwinUI, Nathan refactored component styles using CSS container queries and cqi units, modernizing responsive design by enabling container-type: inline-size on demo components. In mdn/content, he enhanced the ToggleEvent API documentation to clarify event types, supporting better developer understanding. His work emphasized standards compliance, maintainable CSS, and clear documentation, leveraging JavaScript, CSS, and Markdown to support future development efforts.