[yohui]

Apple and Valve did announce at WWDC a few months ago that SteamVR would support Macs: https://arstechnica.com/gaming/2017/06/steamvr-is-coming-to-...

I think DK2 works with SteamVR on PC. Not sure if it'll be possible to get DK2 working with SteamVR on Mac.