During December 2025, Little Coding Fox focused on enhancing the Vulkan backend in the libsdl-org/SDL repository, addressing stability and compatibility issues for SDL applications using Vulkan. They implemented targeted validation in C, ensuring that feature structures passed during logical device creation matched the requested Vulkan API version. By adding minor version checks, they prevented unsupported features from advancing, reducing runtime errors and improving cross-driver reliability. Their work demonstrated careful attention to defensive programming and code hygiene, leveraging skills in C programming, GPU programming, and the Vulkan API. This contribution deepened the robustness of SDL’s Vulkan integration, supporting broader hardware compatibility.