I had no ability to display 3 external monitors on my MacBook Pro (2015) after 10.13.4, even with beta 5. Like many, this had not been an issue prior to that Apple update from 10.13.3. Once I updated to Mojave 10.14, I was successful in getting all 3 to work on my StarTech USB3DockH2DP.
But subsequent days, I've discovered 2 different issues:
- Constantly dropped Ethernet connections (unable to reestablish dynamic IP even with lease renewal); only solution is to log out/in.
- Creative Cloud apps, specifically Illustrator and InDesign (2018), do not launch or open files w/ DisplayLink installed.
So while the external displays resolution is great and welcomed after numerous months, these 2 issues are showstoppers. I'm once again unable to use my StarTech unit.