Apple has posted tvOS 10.1.1 and watchOS 3.1.3. The former adds the new TV app as a central location for all of your favorite shows and movies. The latter has bug fixe and performance improvements.
To upgrade to tvOS 10.1.1:
° Click on the Settings app from your Apple TV Home screen.
° Click on System.
° Click on Software Update.
° Click on Update Software.
° Click on Download and Install.
To upgrade to watchOS 3.1.3:
° Connect your iPhone to Wi-Fi and launch the iOS 10 Watch app.
° Make sure your Apple Watch is charged to at least 50% and connect it to the magnetic charger.
° Tap on the My Watch tab.
° Tap on General.
° Tap on Software Update.
° Tap on Download and Install.
° Enter your iPhone Passcode when prompted.
° Tap Agree to the Terms and Conditions.
° Tap Proceed on your Apple Watch.
° Enter your Passcode on the smartwatch.
The watchOS 3.1.1 update will download and transfer to your Apple Watch. The Apple Watch will then reboot.