During January 2025, Marco Pennasilico focused on enhancing API stability and connectivity reliability for the espressif/arduino-esp32 repository. He restored the Arduino Client API connect methods, reintroducing timeout support to ensure NetworkClient could properly utilize connection timeouts. Working primarily in C++ and leveraging his expertise in embedded systems and network programming, Marco addressed a key bug that had previously caused connectivity regressions. His changes improved the reliability of end-user applications by allowing more robust handling of network connections. The work demonstrated a targeted, in-depth approach to maintaining core functionality and reducing the risk of future connectivity issues in the platform.