Apple Releases "Software Update Updater" For Mac OS X

A quick check of the software update control panel in Mac OS X showed that "Installer Update 1.0" is available. The update is described as being necessary for future Mac OS X updates, though there are no details offered. The description of the update reads:

This update delivers improved support for installing software updates and is required for any future Mac OS X updates.

Screen shot of the Software Update Control Panel