(27) Dell Docking Station Universal Dock D6000 (FNVXM / 452-BCYT) Compatibility: Designed For Inspiron 14 7460, 15 Gaming 7567; Latitude 13 3379 2-in-1, 13 3380, 3189, 3480, 3580, 5280, 5285 2-in-1, 5289 2-In-1, 5480, 5580, 7280, 7480; Vostro 14 5468, 15 3568, 15 5568; XPS 13 9365 2-in-1 System Requirements OS Required Windows 7, 8, 8.1, 10 (32/64bit) or later. Dec 22, 2020 The Dell D6000 Universal Dock is the best USB-C laptop docking station that you can buy right now. It brings back the legacy ports and more to your brand new Dell XPS or MacBook Pro, with a total of 11 ports.
Updating to Dell D6000 firmware to A03 and using the DisplayLink 5.2.1 Beta 3 drivers (https://www.displaylink.com/downloads/macos) worked for me - but updating the firmware was the real fix. It looked like mine was never updated.
Dell Dock Driver For Mac
Here's a link (https://downloads.dell.com/FOLDER05691661M/1/Dock_D6000_FW_Updater_A03_T8Y8T.exe) to download the firmware installer to anyone else reading this (need to install on Windows, plug the power into the wall and the usb into the computer).