Apple has released iPadOS 13.1 which is the version of iOS that runs on the company’s tablet line-up, tvOS 13 for the Apple TV set-top box, and iOS 13.1 for the iPhone and iPod touch.
To download the former on your iPad, go to System Preferences > General >Software Update. To download the latter on your Apple TV (if it doesn’t update automatically), launch the System menu via the set-top box and choose Software Update.
To download iOS 13.1 on your iPhone or iPod touch, go to System Preferences > General > Software Update.