In December 2025, Fin Maass enhanced the W5500 Ethernet driver within the nrfconnect/sdk-zephyr repository, focusing on tunability and diagnostics for embedded networked devices. Fin introduced a configurable timeout mechanism using Kconfig, allowing developers to adjust driver behavior directly through configuration. Additionally, Fin implemented a get_link function leveraging the Ethernet PHY API to report link status and speed, improving network diagnostics and integration with the Zephyr network stack. The work demonstrated depth in C programming, driver development, and embedded systems, resulting in a minimal, well-aligned API surface that supports robust and maintainable Ethernet connectivity for Zephyr-based platforms.