During October 2025, Xkernel Wang focused on enhancing the curl/curl repository by addressing critical issues in error handling and memory management using C. He unified error propagation in Curl_http, ensuring that out-of-memory conditions consistently triggered centralized cleanup routines, which improved reliability under memory pressure. Additionally, he resolved a memory leak in curl_path.c by introducing proper deallocation when path length limits were exceeded, reducing the risk of resource exhaustion. His work demonstrated a strong grasp of error handling and memory safety, resulting in more robust HTTP request processing and maintainable code paths, though the scope was limited to targeted bug fixes.