I have the new June 2017 MacBook Core m3 (aka MacBook10,1). The Plugable USBC-HDMI dongle does not work with it. I don’t know if it is just incompatible or if it is defective. I do note that the displays I tried seem to sense that something is plugged into them, but I can’t display anything, and the MacBook doesn’t see the displays.
I’ve tried this both with a DVI monitor and with an HDMI projector. It doesn’t work with either. I then tried my old MacBook Pro (with a third party Mini-DisplayPort to HDMI dongle) with these same displays and it works fine over HDMI with both. FWIW, a USBC-VGA dongle I have from a different company works fine with this new 2017 MacBook.
So… Does the Plugable USBC-HDMI dongle work with the new 2017 MacBook?
BTW, I’ve already emailed firstname.lastname@example.org about this issue.