"although there's a version in the works that will support d3d12, d3d11 and vulkan."
My brain just melted.
Viewing post in Blitz3D V1.117 now available! comments
This is the LibSGD library, more info here:
https://blitzresearch.itch.io/blitz3d/devlog/688259/libsgd-announcement
It's basically a replacement 'runtime.dll' that provides a different, more advanced set of 3d functions to Blitz3D.
It's taking longer than I would have liked, but it's getting there. I am definitely aiming for V1.0 before the end of the year.