TUAW reports that Apple has released a Thunderbolt Display firmware update for the new displays they started shipping just last week
The Thunderbolt Display Firmware Update 1.0 improves the stability of the Apple Thunderbolt Display. The update weighs in at just 923 KB and requires Mac OS X 10.6.8 or OS X Lion 10.7.1 or later.Apple issues Thunderbolt Display firmware update