There was just a new Transformer TF1010 Firmware update (U.S.) just pushed out a short time ago.
Android Version: 3.2.1 (Honeycomb)
Kernel Version: v220.127.116.11-00001-g9a21fc
MobileDock Version: EP101-0213
There is an updated Backup App - other than that - Release Notes are not yet posted. Successfully downloaded and updated here with the TF101 docked.