During March 2025, this developer focused on stabilizing the PDFMathTranslate pipeline by improving temporary file cleanup in the pdf2zh high-level module. They refactored the cleanup logic to use Python’s Path objects and introduced robust error handling, ensuring that temporary files are reliably removed after processing. This technical approach addressed persistent cleanup-related failures in automated PDF-to-Chinese translation workflows, directly reducing maintenance overhead and support costs. Working within the kaina404/PDFMathTranslate repository, the developer demonstrated depth in file management and error handling, delivering a targeted bug fix that improved the reliability and maintainability of the translation pipeline’s core automation.