I can confirm it was unintentional for sure. As to un-commanded I guess that would depend on your interpretation of that. It was commanded, but not by the crew ;-)
They are still investigating, but seems the culprit may be the float control box (the box with the arming switch)
Yes, the floats did stay attached again this time and other than a VERY rapid decrease in speed, did not seem to have too much effect. Of course this was in severe VMC.
Actually AW has no official position on this matter, they never tested them at any speed.
Sorry, no simple repack allowed.