Windows Insiders in the Canary channel are getting Windows 11 Build 28000. In addition to the huge build number jump, the OS displays the 26H1 tag in the About Windows dialog.
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Recently, the branch name from which builds are released changed to BR_RELEASE. This is due to internal operating system development cycles. The Windows Insider team treats these builds the same as builds from the RS_PRERELEASE branch. However, due to the branch change, some features have been temporarily removed from Windows 11 Insider builds. Microsoft plans to bring them back in the future. BR_RELEASE builds do not represent any feature update for Windows 11.

What's new in Windows 11 Build 28000
General
- This update includes a small number of improvements and fixes designed to improve the overall operating system experience.
OS version
- After updating to this build, Insiders in the Canary ring will notice that the Windows 11 version in Settings > System > About (and in
winver) has changed to 26H1 . - 26H1 is not a feature update for 25H2, but only includes platform changes to support specific processors. No user action is required.
- Version 25H2 remains the major release with new features. Windows 11 maintains its annual release cycle of feature updates, which are released in the second half of the calendar year.
- Microsoft reminds that new features initially appear in the Dev and Beta channels, while the Canary channel is aimed at testing changes to the platform.
Fixes
General
- Fixed an issue where Live Captions was crashing for some Insiders in the previous flight.
- Fixed an issue where the credentials window would become unavailable when attempting to sign in to Outlook in previous builds.
Known issues
Start Menu
- Insiders may experience the new Start menu scrolling up unexpectedly when interacting with it.
Power and battery
- Investigating reports that some Insiders are experiencing sleep and shutdown issues after installing the latest Canary builds.
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