A new Apple TV update just rolled in and it offers a few breadth taking changes.Some of them are listed below :
Audio playback: Addresses an issue in which audio is not output when playing some video content
Video playback: Addresses an issue in which video is not displayed when playing some content.
Audio output setting: Adds an audio output setting for switching to 16-bit audio for compatibility with some TVs and AV receivers.
Live FF/RW improvements: Improves the performance of fast-forwarding and rewinding live events.
Movie description: Addresses an issue in which the description information is not displayed for some movies.
YouTube video order: Addresses an issue in which YouTube subscription videos were not ordered by date.
These are just improvements to the earlier release ( 4.4.1 ).So it’s up to you if you wanna upgrade.
Download the IPSW here.