I got approved today as well. I expired the 11th and just a few ours ago I received an email that my card was up for production. Funny thing is I got an update for that before my 821D was approved. Anyway that was about 3 months and a couple of weeks! My case was reviewed at the Nebraska center!
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DACA Expires: 3/11/15
Renewal Sent: 12/14/14
Received: 12/16/14
Waiting time: 2 months