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First developer beta of tvOS 9.1 for Apple TV now available

Apple on Tuesday issued the very first beta for tvOS 9.1, its new Apple TV operating system, to developers for testing, less than a week after the next-generation set-top box became publicly available.




tvOS 9.1 is now available for developers to download from Apple's developer portal. Accompanying release notes warn that the beta release should only be installed on devices registered with the Apple Developer Program, and attempting to install it on an unauthorized device could render it in an unusable state.

Potential major new features of iOS 9.1 remain unknown, as the release notes accompanying the first beta do not disclose any significant changes. One change is that Explicit Congestion Notiifcation is enabled by default on both Ethernet and Wi-Fi, reducing network delays and packet loss.

Though the Apple TV launched only last Friday, Apple has already made changes to the experience over the air, enabling a list of top applications on the tvOS App Store Monday evening.

tvOS is only compatible with the new fourth-generation Apple TV with Siri Remote.