No surprise here, given the extent HLSL is already the de facto shading language for Vulkan.<p>Khronos already mentioned in a couple of conferences that there will be no further work improving GLSL, and given DirectX weight in the industry, HLSL kind of took over.<p>Additionally for the NVidia fans, it might be that Slang also gets a place in the Vulkan ecosystem, discussions are ongoing, as revealed on SIGGRAPH sessions.