@VZWSupport: New s/w update being pushed out to Thunderbolt devices, in stages, beginning today. Visit http://bit.ly/lXxeeh for details *JB
To freshen your memories, the update will bring the Thunderbolt's software version up to build number 1.13.605.7, and will bring with it improved 3G data connectivity, SMS and MMS messaging fixes, and more. (The shot above has the full list of fixes and improvements.)
There's a massive conga line of people awaiting the update in our ThunderBolt forums, so sound off if you've got it.
Source: @VZWSupport. Thanks, Drootz!