Looks like Apple is on the releasing spree. Today it released iOS 5.1 Beta 2 and then iTunes 10.5.2. Now, Apple released Thunder Bolt Display earlier this year gets a an update.
The update 1.1 addresses the following issues:
This update addresses a fan noise issue affecting a small number of Apple Thunderbolt Displays and improves stability.
The updater application will be installed in the Utilities folder inside the Application folder and will be launched automatically when you close this installer.
Please follow the instructions in the updater application to complete the update process.
The update is specifically for the Thunder Bolt Displays. The update can be downloaded from below:
Download Thunder Bolt Display Update from here.