We’ve learned that Apple is making progress on its development of a successor to the current Apple TV and that the device is well into testing. We are led to believe that the new device, which is said to be a set-top box rather than a full-fledged TV set, will likely be introduced in the first half of 2014. We understand that the product will include a revamped operating system that will be based on iOS. Of course, release timeframes with these type of products can quickly change due to the content partners that are involved in such products. Our sources previously indicated that Apple is experimenting with new input methods for TV-related products such as motion controls, but it is unclear if that Kinect-like interface is in the cards for this year’s Apple TV product. iLounge reported earlier today that Apple is preparing an update to the Apple TV that will add gaming content. Read the full story at 9to5Mac.