Unity supports Metal, it was shown on stage during the keynote: https://blogs.unity3d.com/2018/06/05/wwdc18-book-of-the-dead-debuts-on-macbook-pro-arkit-2-0-ava

Unity supports Metal, it was shown on stage during the keynote: https://blogs.unity3d.com/2018/06/05/wwdc18-book-of-the-dead-debuts-on-macbook-pro-arkit-2-0-available-for-unity-devs/ https://blogs.unity3d.com/2018/06/05/wwdc18-book-of-the-dead...