During January 2025, this developer focused on improving the InsightSoftwareConsortium/ITK repository by addressing a critical bug in the itkIPLFileNameList comparator. They enhanced deterministic file-name ordering and workflow stability by transitioning the comparator’s return type from int to bool and correcting the logic for both ascending and descending order comparisons. Their work included renaming comparator helpers to improve code clarity and maintainability. Utilizing C++ and STL comparator semantics, they reduced the risk of misordered files and lowered downstream debugging effort. This targeted debugging effort improved data processing reliability and contributed to more stable IPL workflows within the ITK codebase.