During October 2024, Shaobo Yan refactored the BindGroupTracker component for the google/dawn repository’s D3D11 and D3D12 backends. He addressed maintainability by removing a boolean variable that previously distinguished between render and compute pass logic, instead introducing polymorphism and C++ templates to streamline the code. This approach reduced conditional branching and improved cross-backend consistency, laying a solid foundation for future enhancements. Working primarily in C++ and leveraging expertise in DirectX 11, DirectX 12, and low-level graphics APIs, Shaobo’s work focused on software design patterns and refactoring, demonstrating depth in backend architecture and maintainable system design within a complex codebase.