Windows 11 build 27766

10.0.27766.1000.rs_prerelease.241211-1523
Build of Selenium
Screenshot
OS familyWindows 11 (NT 10.0)
Version number10.0
Build number27766
Build revision1000
ArchitectureAMD64, ARM64
Build labrs_prerelease
Compiled on2024-12-11
Expiration date
Timebomb2025-09-15 (+278 days)
SKUs
Home (N, Single Language, China)
SE (N)
Pro (N, Single Language, China)
Pro Education (N)
Pro for Workstations (N)
Education (N)
Enterprise (Evaluation, G, GN, N, N Evaluation)
IoT Enterprise (Subscription)
About dialog
Windows11-10.0.27766.1000-Winver.png
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Windows 11 build 27766 is a build of Selenium, the 25H2 development semester of Windows as a service. It was released to the Windows Insiders in the Canary Channel on 3 January 2025.

New features and changes[edit | edit source]

Bugfixes[edit | edit source]

  • Fixed the issue that was causing the "Your organization used App Control for Business to block this app" to show unexpectedly when using or installing certain third-party apps if the system is rolled back from build 27764 to an earlier build (including if the upgrade failed) due to an incorrect policy being enforced.
  • Fixed an underlying issue that causing explorer.exe crashes after a clean installation or a system reset.
  • Fixed an issue that was causing a hang at the boot screen and roll back with the 0xc1900101 error when upgrading to newer builds.

Bugs and quirks[edit | edit source]

  • Enrolling to the Windows Insider Program on a new Copilot+ PC may cause Windows Hello PIN and biometrics to fail with the 0xd0000225 ("Something went wrong, and your PIN isn't available") error.
  • Text on highlighted items in Microsoft Management Console and some of its snap-ins may have a yellow color.
  • Certain settings under Advanced tab > Performance in the System Properties Control Panel applet and the "Animation effects" setting under Accessibility > Visual effects in the Settings app may not persist across reboots.

Gallery[edit | edit source]

External links[edit | edit source]