I’m having issues play testing my project in UE 4.15 on Mac OS X El Capitan 10.11. I’m currently working on a virtual tour for my college internship, and everything works fine (including simulate in engine), except when I play test the level (in editor AND standalone), the viewport becomes black and…

I just fixed it by changing “Max. Metal Shader Standard To Target” to "Metal v1.2 (10.12.0+). It is under Project Settings > Platforms > Mac > Rendering [127297-screenshot_projectsettingsmac.png]