During September 2025, Shubhamsaboo focused on improving the reliability of resource management in the RAG-Anything repository. He addressed a persistent issue with flaky cleanup behavior by replacing the use of the Python __del__ destructor with an atexit-based cleanup approach. This change ensured that resources were deterministically released when the program exited, reducing the risk of resource leaks and improving deployment stability. His work involved backend development and lifecycle management in Python, including code refactoring and validation of the new cleanup logic. The update resolved existing cleanup warnings, contributing to a more robust and maintainable backend infrastructure for the project.