M1 MacBook Air here, usually connect to an HP monitor via USB-C cable for power, video, USB hub, and camera. Since upgrading to Monterey 12.0.1 I'm having similar issues to what's reported here. The USB hub and camera are not detected at all. Video still works. Power delivery is hit-or-miss; sometimes it works, sometimes it doesn't. There's no real rhyme or reason to it. No issues before upgrading. No issues with my work 2019 MacBook Pro which is still running Big Sur 11.6.1.
astonius
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