Try using displayplacer. It supports hz and I added color_depth to it a while back. I don't remember HDR being in the APIs used either but that may address it.

Try using displayplacer. It supports hz and I added color_depth to it a while back. I don't remember HDR being in the APIs used either but that may address it. https://github.com/jakehilborn/displayplacer https://github.com/jakehilborn/displayplacer