Tianyun Yu contributed to the KhronosGroup/SPIRV-Tools repository by extending optimization support for the SPV_NV_shader_invocation_reorder extension. Working in C++ and leveraging expertise in compiler optimization and SPIR-V, Tianyun updated the optimization pass allowlist to enable this extension, allowing downstream shader toolchains to utilize new SPIR-V features without manual intervention. The integration was carefully managed to maintain stability, with thorough documentation and preparation for downstream adoption. Although no major bugs were addressed during this period, the work demonstrated a focused approach to aligning SPIRV-Tools with evolving SPIR-V standards and improving the extensibility of shader optimization workflows.