During July 2025, Andrew Plattner focused on improving system reliability for the geerlingguy/linux repository by addressing a critical bug in the MediaTek SBSA GWDT watchdog driver. He analyzed and resolved a race condition that could cause missed keepalive pings and unintended system resets, particularly under specific hardware states. By carefully adjusting the keepalive timeout and heartbeat scheduling, Andrew enhanced the stability and maintainability of MediaTek platforms in production environments. His work, implemented in C and leveraging expertise in device drivers, embedded systems, and kernel development, reduced the risk of outages and contributed to more robust hardware operation without introducing new features.