Starting at 2:00 p.m. PST today, members of the Xbox One Preview Alpha and Preview Beta Rings will begin receiving the latest 1904 Xbox One system update (19H1_RELEASE_XBOX_DEV_1904\18356.2000.190311-1920). Read on for more about the new features, fixes and known issues in the latest 1904 system update.   DETAILS: OS version released: 19H1_RELEASE_XBOX_DEV_1904\18356.2000.190311-1920 Available: 2:00PM PDT 3/13/19 Mandatory Date/Time: 3:00 AM PDT 3/14/19   New Features: A complete feature list for 1904 is published here https://news.xbox.com/en-us/2019/02/21/new-features-rolling-out-to-xbox-insiders-this-spring/   Fixes:  Audio We have fixed the issues of No Audio heard or stuttering audio from the system and games/apps. We have resolved the issue...

-- Source: https://news.xbox.com/en-us/2019/03/13/new-preview-alpha-and-beta-ring-1904-build-3-13-19/