During this period, work focused on enhancing the grpc/grpc-java repository by addressing a critical bug in proxy detection logic. The developer implemented explicit handling for cases where ProxySelector returns null or empty results, ensuring compliance with the ProxySelector contract and preventing silent crashes in ProxyDetectorImpl. By introducing targeted IOException handling and improved error reporting, the changes made debugging and maintenance more straightforward for backend systems relying on proxy detection. This solution, developed using Java and supported by unit testing, improved traceability and diagnostics, enabling faster triage of proxy-related issues and reducing unpredictable behavior for callers of the affected components.