Just installed the first public beta (which is the same as Developer Beta 2 Update 1) and I'm experiencing the same issues as everyone else - responsive mouse cursor but black screen.
macOS: 10.13 Public Beta 1 (17A291m)
Mac: MacBook Pro (Retina, 15-inch, Mid 2014)
DisplayLink Driver: 3.1
DisplayLink Device: Dell D3100
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