Microsoft has released Windows 11 Build 27975 to Insiders on the Canary channel. It doesn't include drastic changes, instead focusing on bugfixes. 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 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 27975 (Canary)
General
- This update includes a small number of improvements and fixes designed to improve the overall operating system experience.
Fixes
Input
- Fixed an issue impacting the stability of the touch keyboard launch in recent Canary builds.
Windows Hello
- Fixed an issue where the Windows Hello PIN would stop working on some devices after updating to the latest Canary builds. This issue was resolved by re-configuring the PIN on the system.
Settings
- Fixed an issue where Settings could crash when attempting to access disk information under Settings > System > Storage. This issue also affected access to disk information through the Properties dialog box accessed by right-clicking a disk in File Explorer.
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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