Apple released Monterey 12.0.1 a few days ago. I have not installed it yet on my new M1 Mini.
Waiting for this bug to be eliminated:
https://www.macrumors.com/2021/10/29/monterey-usb-hub-issues-reported/
Waiting for this bug to be eliminated:
https://www.macrumors.com/2021/10/29/monterey-usb-hub-issues-reported/
.......There have been several reports on Reddit, Apple's Developer Forums, and Apple's Support Communities about the issues. In some cases, users say the the USB 3.0 ports on their hub no longer work since upgrading to Monterey, while HDMI, USB-C, and other hub ports continue to work as expected.
In other user reports surfacing online, the USB hubs fail to work at all. Some of the problems even relate to Apple certified hubs. Reddit user Flyersny81 relates their experience......