During December 2025, this developer enhanced device tree handling in both the tianocore/edk2 and microsoft/mu_basecore repositories, focusing on improving firmware support for embedded systems. They standardized field accessors for FDT_HEADER structures and introduced a wrapper function to streamline device tree overlay application, enabling more robust and consistent boot-time configuration. By aligning library interfaces across repositories, they facilitated code reuse and simplified hardware platform onboarding. All work was implemented in C, leveraging expertise in embedded systems and firmware development. These enhancements improved the reliability and maintainability of device tree processing without introducing new bug fixes during the period.