In September they said the Ryzen versions wouldn't have USB4 support [1] but in November they said it would. If it's important for you it might be best to contact their support to confirm which it is.

[1] https://twitter.com/starlabsltd/status/1574860315254263830

[2] https://twitter.com/starlabsltd/status/1593525807682568192