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Works for me on a 2016 MacBook Pro with Big Sur. I actually have it plugged into a Thunderbolt monitor (Lenovo ThinkVision P32u-10) and plug one cable into my Mac for charging, display, Ethernet and USB peripherals.
It works, mostly, with my Macbook Pro (2017 13" with touchbar). It does have this issue where when my computer goes to sleep the adapter fails to reconnect upon waking up. I have to unplug the ethernet cable and replug it in for it to work again (note...unplugging from the USB port does not help...only plugging in from the ethernet cable end of things). I like that it has monitoring LEDs to let you know that it's transmitting data. The computer recognized it right away unlike the crazy stuff you have to do to get other (ASIX) types of ethernet adapters to work.