Failed to create pipeline state on Mac

[ImVexed]

Running the example on Mac using the 1.1 Ultralight pre-release seems to fail with:

2019-10-08 11:46:40.523 cra-go[11569:2169766] Failed to create pipeline state, error Error
Domain=CompilerError Code=1 "Function fragmentShader is using language version 2.1 which is
incompatible with this OS." UserInfo={NSLocalizedDescription=Function fragmentShader is using
language version 2.1 which is incompatible with this OS.}

[ImVexed]

@oliver006 From Adam: What macOS version? I think the buildbot is using Metal 2.1 which might not be compatible with older macOS

[oliver006]

Thanks for checking with him, I'm running 10.13.6 (17G8030)