In point of fact, I documented this issue on Aug 4th and mentioned is here shortly thereafter.

Webcam video encoding types not available after Win 10 Anniv Update - Windows 10 Forums

It didn't...

It now seems that Microsoft deliberately broke access to compressed stream from webcams.

MJPG encoded media type is not available for USB/UVC web-cameras after Windows 10 version 1607 (OS Build...

We can suppose that a portable HD enclosure that has it's own power supply doesn't draw as much current from the 5 volt supply provided by the USB bus.

On a purely practical basis it simply...

I offer this in the hope that it will help get the issue some attention.

Background

I use webcams for video conferencing and streaming production. I have a large collection of webcams of all...