Apple has released iOS 6.0.1 for all iOS devices including the 4th generation iPad and iPad mini. iPhone 5 owners will need to download an app called "iOS Updater" to access the over the air update. iOS 6.0.1 fixes a bug that prevents the iPhone 5 from installing wireless updates. To download the Updater go to Settings >> General >> Software Update, and tap “Learn More” on the "Updater for iPhone 5" page to access the download screen.
Here's the complete changelog for iOS 6.0.1. You'll notice it's mostly a maintenance release.
-Fixes a bug that prevents iPhone 5 from installing software updates wirelessly over the air
-Fixes a bug where horizontal lines may be displayed across the keyboard
-Fixes an issue that could cause camera flash to not go off
-Improves reliability of iPhone 5 and iPod touch (5th generation) when connected to encrypted WPA2 Wi-Fi networks
-Resolves an issue that prevents iPhone from using the cellular network in some instances
-Consolidated the Use Cellular Data switch for iTunes Match
-Fixes a Passcode Lock bug which sometimes allowed access to Passbook pass details from lock screen
-Fixes a bug affecting Exchange meetings