The tvOS 10.2.2 software update has been released for the fourth generation Apple TV and the update should be available for your device as of now.
There are no major changes in the tvOS 10.2.2 software update, it is mainly performance improvements and bug fixes.
You can install the tvOS 10.2.2 software update on your fourth generation Apple TV by going to Settings > System > Software Update. If you notice any new features or any major changes to the software, please leave a comment below and let us know.
Apple will be releasing a major update to the Apple TV later this year in the form of tvOS 11, this will bring a range of new features to the device.