Starting at 2:00 p.m. PST today, members of the Xbox One Preview Alpha Ring will begin receiving the latest 1907 Xbox One system update (Build: 19H1_RELEASE_XBOX_DEV_1907\18362.5042.190624-1923).

DETAILS:
  • OS version released: 19H1_RELEASE_XBOX_DEV_1907\18362.5042.190624-1923
  • Available: 2:00PM PDT 6/26/19
  • Mandatory Date/Time: 3:00 AM PDT 6/27/19

Fixes:

System
  • Stability fixes to the system.
  • Various Localization fixes.

Known Issues:

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


Source: June 26th : New Preview Alpha Ring 1907 Update (1907.190624-1923) - Xbox Wire