Alexander Marinissen developed WinUI SwapChainPanel surface support for the google/dawn repository, enabling seamless integration of Windows UI elements with Dawn’s graphics pipeline. Using C++ and DirectX, Alexander introduced a new surface type by updating enums, validation logic, and swap chain creation, allowing applications to render directly onto WinUI SwapChainPanel controls. This work expanded Dawn’s rendering surface options and facilitated broader deployment scenarios for WinUI-based applications. The implementation was delivered as a single, well-documented commit, demonstrating clear traceability and effective cross-team collaboration. Alexander’s contribution deepened Dawn’s Windows development capabilities and addressed integration needs for modern Windows UI workflows.