For what it is worth, the blog post claims that 1.3 compatibility is not too far away, "We're not very far off from being able to advertise Vulkan 1.3 but it's

For what it is worth, the blog post claims that 1.3 compatibility is not too far away, "We're not very far off from being able to advertise Vulkan 1.3 but it's all compiler work between here and there."