In November 2025, Andreas Rottger Rydahl focused on codebase maintenance for the FreeCAD/FreeCAD repository, targeting code optimization and software cleanliness. He systematically removed unused 'sys' imports from multiple Python files, ensuring that the codebase remained functionally unchanged while improving readability and maintainability. This work, rooted in Python development and software maintenance best practices, reduced unnecessary dependencies and potential import-time overhead. By documenting the changes with clear, traceable commits, Andreas laid a foundation for future refactoring efforts. Although no bugs were fixed during this period, his contributions enhanced the long-term health and sustainability of the FreeCAD/FreeCAD project.