Apple released the first major upgrade for the new fourth-generation Apple TV box. tvOS 9.1 is in fact available for download, it which brings some new features in its latest multimedia box of Apple.
tvOS 9.1 can now be downloaded through the special menu of Apple TV, accessible via Settings> Software Update. The update adds support to the search with Siri in Apple Music (only in countries that support Siri Apple TV) and brings with it many bug fixes and improves some features such as internet connectivity of the new Apple TV and scrolling with Siri Remote.
It is, as already said, the first major upgrade of the new Apple TV, but certainly not the last. With tvOS, in fact, Apple has opened the door to a series of upgrades and improvements that will arrive on Apple TV just as they come, with constancy, on iOS and OS X.