During their work on the C4illin/ConvertX repository, Foo focused on stabilizing the LaTeX conversion workflow within a Dockerized environment. They addressed a persistent issue where XeTeX-based conversions failed due to missing dependencies by updating the Dockerfile to include latexmk. This targeted bug fix ensured that all necessary LaTeX tooling was present, improving the reliability and reproducibility of document conversions for end users. Foo applied their skills in containerization, DevOps, and Dockerfile management to reduce conversion failures and support overhead. Their contribution demonstrated a focused approach to infrastructure reliability, though the scope was limited to a single, impactful bug fix.