Starting at 2:00 p.m. PDT today, members of the Xbox One Preview Skip Ahead will begin receiving the latest 19H1 Xbox One system update (rs_xbox_dev_flight.180911-1900). Read on for more about the fixes and known issues in the latest 19H1 system update. This build has the same features as 19H1 plus more to be announced over the coming months!

Fixes:

Avatars
  • Fixes to Avatar animations so their feet/hands and other animations are correct.

Microsoft Edge
  • Stability fixes for Microsoft Edge and the cursor should display as designed.

System
  • Localization fixes in this build.

Known Issues:

Audio
  • We are aware that some users are experiencing issues where mics do not work. Please ensure that your controller is running the latest Firmware (Settings – Kinect & Devices – Devices & Accessories) and be sure to file feedback using the “Report a problem” tool when you experience this issue.

Avatars
  • It can take up to 10 seconds to view an Avatar on the profile screen after creating a new Avatar.

My Games & Apps
  • We are aware that some users are experiencing crashing of a game or the Youtube app when you are either launching or resuming the Youtube app.
  • If you are in the Youtube app and then Resume to a Game the app/game and console may hang or crash.

Power
  • We are tracking an issue in which the console is fully powering off when it is placed into Instant On mode.

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

Virtual Keyboard
  • We are aware that special characters appear incorrectly when using the Virtual Keyboard.
  • We are aware that the recently used emoji’s/characters are not present when you launch the VK again.


Source: New Preview Alpha Skip Ahead 19H1 Build – 9/14/18 - Xbox Wire