Ah my 601a status updated about a month after received to say "Case Was Updated To Show Fingerprints Were Taken" - they must've used my DACA fingerprints from 2020.
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Initial Approval: 9/14/12
Renewed: 9/2/14; 8/20/16; 4/6/18; 2/21/20; 2/20/22
Latest Renewal: 10/31/23