Tom Eaton focused on improving the reliability of HDR texture loading in the mrdoob/three.js repository by addressing a parsing bug in the HDRLoader component. He identified and fixed an issue related to large header parsing, which previously affected downstream rendering workflows. To ensure ongoing stability, Tom expanded unit test coverage, specifically targeting scenarios with large HDR headers to prevent future regressions. His work leveraged JavaScript and front end development skills, with a strong emphasis on unit testing practices. Although no new user-facing features were released during this period, his contributions enhanced the maintainability and robustness of the HDR loading process.