Xiendong focused on stabilizing the Vulkan resource lifecycle in the facebook/igl repository, addressing a critical bug related to resource cleanup. By integrating a call to volkFinalize() within the VulkanContext destructor, Xiendong ensured that Vulkan resources are properly released, reducing the risk of resource leaks during application teardown. This work, implemented in C++ with deep use of the Vulkan API and graphics programming principles, improved the reliability and robustness of the rendering pipeline. Xiendong also documented the cleanup process and reinforced lifecycle checks, demonstrating careful attention to code quality and maintainability, though the scope was limited to bug resolution this period.