They are reports on Apple testing an update for the new iOS 6 OS. The iOS 6.0.1 OS update may be released in the next few weeks but not on tomorrows iPad mini event. The new update is said to fix bugs and issues for iPhone and iPad users. They are also working with carrier partners to fix issues.
Some of the bugs which may get fixed are, the horizontal lines bug on the screen when the keyboard or app folder is open, fix for the camera’s flash not going off when it’s supposed to, improve WiFi support and fix minor issues with cellular data, address a bug that allowed access to Passbook details from the lock screen.
iOS 6.0.1 may released in next few weeks. iOS 6.1 which a big update for the new iOS is going to be big bug fixes and hopefully improvements in performance and apps as well as new features. Might as well see new Maps app from Apple when it releases after the holidays.