Martin Yeo contributed to the SciTools/iris repository by enhancing both documentation and testing practices over a two-month period. He improved the What's New section for the 3.12 release, removing duplicate entries and ensuring dropdowns are expanded by default, which streamlined release note navigation and reduced future maintenance. Using Python and reStructuredText, Martin focused on documentation clarity and usability. In a separate effort, he modernized the test suite by converting unittest assertions to Pytest style, aligning with ongoing CI modernization. His work demonstrated careful attention to codebase consistency and maintainability, though the scope was focused and did not include bug fixes.