During January 2026, Tommy Skypromax focused on improving signal handling reliability in the curl/curl repository. He addressed a subtle bug in network I/O by modifying the SIGPIPE signal handling logic, specifically unsetting the SA_SIGINFO flag to ensure compatibility with sa_handler. This change mitigated risks of signal misinterpretation, which could otherwise lead to failures in real-world usage. Working primarily in C and leveraging his expertise in system programming and signal handling, Tommy delivered a targeted fix that enhanced the robustness of curl’s network operations. The work was concise yet impactful, closing a tracked issue and providing clear traceability through a single commit.