Alpha Skip-Ahead

Xbox Insider Release Notes – Alpha Skip Ahead Ring (2004.191206-2300)

Hey Alpha Skip Ahead ring users! Today’s Xbox Insider Release Notes highlight the latest fixes, known issues, and features coming to your console. Starting at 2:00 p.m. PT today, users will receive the latest 2004 Xbox One system update (build: RS_XBOX_RELEASE_2004\19039.1204.191206-2300). Keep reading for more details.

System Update Details:

  • OS version released: RS_XBOX_RELEASE_2004\19039.1204.191206-2300
  • Available: 2:00 p.m. PT – December 9, 2019
  • Mandatory: 3:00 a.m. PT – December 10, 2019

System Update

Fixes for Alpha Skip Ahead

We’ve heard your feedback, and we’re happy to announce the following fixes have been implemented for this 2004 build:

Rock Band 4

  • Users should no longer see excessive loading times when attempting to play title.


  • Trailer playback on product pages should be disabled by default.


  • Various updates to properly reflect local languages across the console.

Xbox Insider Release Notes

Known Issues for Alpha Skip Ahead

We understand some issues have been listed in previous Xbox Insider Release Notes. These issues aren’t being ignored, but it will take Xbox engineers more time to find a solution. We appreciate your patience at this time!


  • Users who have Dolby Atmos enabled and console display settings set to 120hz with 36 bits per pixel (12-bit) are experiencing loss of Dolby Atmos audio in some situations.
    • Workaround: Disable 120hz or set Video Fidelity to 30 bits per pixel (10-bit) or lower.

Home (Experiment)

  • Users may see the images for ads on the dashboard looking cropped or cutoff.


  • Users are reporting being unable to send a voice messages while in Parties.
    • Workaround: Send the message while not currently in party chat.

Party Chat

  • Some users have reported that party chat is not working when playing a backwards compatible title.

Plex App

  • Users have reported playback is buffering constantly while streaming content.
    • Note: Please ensure you are running the latest version of the app before submitting feedback


  • Some users have reported that 3D display mode is not working with supported content.

 Profile Color

  • Sometimes users may encounter the incorrect Profile color when powering on the console.

Are you not seeing your issue listed above? Make sure to use Report a problem to keep us informed of your issue. We may not be able to respond to everyone, but the data we’ll gather is crucial to finding a resolution.

Learn more about feedback and how each ring is differentiated in the following links:

For more information regarding the Xbox Insider Program follow us on Twitter and join the community subreddit for support and updates. Keep an eye on future Xbox Insider Release Notes for more information regarding your Xbox One Update Preview ring!