Wilson Jallet focused on improving Vulkan backend correctness in SDL, addressing two critical bugs that enhanced rendering reliability and cross-platform consistency. Working across the libsdl-org/SDL and shadps4-emu/ext-SDL repositories, he used C and GPU programming expertise to deliver targeted fixes for color-target clear value indexing and render pass resolve attachment indexing. His approach involved precise debugging and careful patching, ensuring that clear values and resolve attachments were correctly handled in Vulkan rendering paths. These changes reduced rendering artifacts and edge-case failures, demonstrating depth in graphics API knowledge and contributing to more stable Vulkan-based applications using SDL.