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2.0.12611.0     November 1, 2010     

    Adds the ability to install Game Updates to the HDD
    Adds a new Anti-Piracy Scheme 2.5 (Fable III doesn't work on all iXtreme firmware).
    Adds a visual refresh to incorporate elements of Microsoft's Metro design style.
    Adds a motion menu specialized for Kinect under system settings.
    Adds ESPN as an app download via Xbox Live. Certain ISPs do not support the service. ESPN can be limited or blocked entirely.[3]
    Adds Kinect Functionality for Zune, Last.fm, Sky Player.
    Adds Video Kinect as an app download via Xbox Live. This app lets players video chat with the Kinect sensor bar.
    Updates Zune adding Zune Music and ZunePass functionality.
    Updates Game Marketplace with a Metro-style redesign and easier navigation.
    New codec for Xbox Live voice chat that improves communication quality.
    New boot screen animation with redesigned Xbox 360 orb and ribbons.
    Better connection when using a wireless network adapter.
    Improved Netflix integration by enabling to search the entire Netflix catalog from within the console.[4]
    Added Netflix support for Canada.
    Improved Avatars to 2.0 version with human-like proportions.
    Improved HDD load time.
    Added a "Quick launch" menu to the guide which allows players to quickly load games.
    Added/Modified "toast" notifications. One example being "Friends using this app." now shows when a friend uses Facebook instead of it referred to as a "game" when you start it.