Very interesting, Copernicum - definitely another wrinkle worth exploring.
I actually haven't had voice command issues since the update, just a slew of other fun quirks and bugs.
Most recently (over the holiday weekend) my car has started switching to my iPod every time I climb in, even though I haven't been listening to it when I got out of the car. I've been in either FM or Bluetooth when shutting the car off and, for the past few days, when I start it it initially starts on the last-used source but then switches to USB/iPod within 5 seconds of starting the car. Odd...
2012 Focus Ti Hatch | Ingot Silver | 401A, Nav, Winter Pkg, Moon Roof, Parking Tech. Pkg
Build Date: 12/2/2011 | New APIM: 4/4/2012
MFT: Factory v2.11, 3/14/12 Web -> v3.0.2, 9/24/12 Web -> v3.2.2, 1/24/13 Web -> v3.5.1, 8/13/13 Web -> v3.6