During their recent work, Gao Xu developed robust ESP32-H21 chip support for the espressif/esptool repository, implementing new definitions, emulation logic, and target configurations to enable seamless interaction with eFuses and hardware features. This C and Python-based tooling improved hardware compatibility and streamlined development for the ESP32-H21 family. Gao also addressed compatibility in espressif/esp-video-components by updating sensor and component metadata, removing deprecated configurations, and aligning with the latest ESP-IDF HAL changes. Their contributions demonstrated depth in embedded systems, driver development, and component management, ensuring maintainability and future-proofing for evolving hardware and software requirements within the Espressif ecosystem.