During February 2026, Silver Gun focused on improving reliability and maintainability in the apache/airflow repository by addressing session cleanup robustness. They enhanced the cleanup_session_middleware by wrapping Session.remove() in a try-except block, effectively preventing unhandled OperationalError exceptions from dead or disconnected database connections from surfacing as 500 errors. Their work included refining logging practices to improve observability and aligning with established session cleanup patterns. Using Python and leveraging backend development and error handling skills, Silver Gun also addressed static checks and clarified logger usage, ensuring that cleanup errors are managed gracefully and future maintenance is streamlined for the development team.