These days, for new software, even OpenGL is obscure. And it stands out as odd--Vulkan is essentially the Khronos-approved successor to OpenGL, which is/was an

These days, for new software, even OpenGL is obscure. And it stands out as odd--Vulkan is essentially the Khronos-approved successor to OpenGL, which is/was an API so thoroughly removed from the modern GPU model that any program using it would be CPU or system memory bound on modern hardware.