In February 2026, Sugu Guan updated the light-switch application in the espressif/esp-matter repository to ensure compatibility with the latest Matter binding API. This work involved adapting the existing C++ codebase to align with new API specifications, focusing on embedded systems and IoT development. By addressing recent changes in the Matter protocol, Sugu preserved interoperability with downstream integrations and reduced the risk of future integration issues. The update enhanced the application's functionality and positioned the esp-matter module for future feature support. Over the month, Sugu delivered one feature update, demonstrating depth in C++ and embedded IoT systems engineering.