Kbase Article of the Week: About the USB-C Multiport Adapter Update 1.0 ⇢

Apple Support:

The USB-C Multiport Adapter Update 1.0 improves the compatibility and reliability of your Apple USB-C Digital AV Multiport Adapter or Apple USB-C VGA Multiport Adapter. This update is recommended for all users.

Ah yes, firmware updates for dongles.