Windows 11 build 27758

10.0.27758.1000.rs_prerelease.241122-1512

Build of Selenium
OS family	Windows 11 (NT 10.0)
Version number	10.0
Build number	27758
Build revision	1000
Architecture	AMD64, ARM64
Build lab	rs_prerelease
Compiled on	2024-11-22
Expiration date
Timebomb	2025-09-15 (+297 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

Windows 11 build 27758 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 4 December 2024.

New features and changes

Features

The following features and changes introduced previously have been gradually rolled out:

• The advanced camera configuration dialog in the camera properties page under Bluetooth & other devices > Camera in the Settings app (previously implemented in build 27695 and can be activated manually by enabling the 49575624, 50292326 and 52142480 velocity staging keys)

The following features and changes introduced previously have also been ported to this build, albeit being disabled by default:

• The Studio Effects icon in the system tray and Quick Settings (initially implemented in build 22635.3276 and can be activated manually by enabling the 46107637 and 48799383 velocity staging keys)
• The new right-click context menu for turning off or snoozing the "Start backup" reminder in File Explorer's address bar (initially implemented in build 22635.4515 and can be activated manually by enabling the 47944061 velocity staging key)

Settings

A CE marking has been added to the "Windows specifications" section under System > About. It's gradually rolled out, but can be activated manually by enabling the 54157537 velocity staging key.

Bugfixes

General

• Fixed an underlying issue that was causing USB audio devices to go to sleep after 1 minute of idle time, and not waking up until Windows was rebooted.
• Fixed an underlying issue that was causing a mute or unmute noise in certain headsets unexpectedly.

Shell

• Fixed an issue that was causing explorer.exe to crash when right-clicking on app icons on the taskbar in build 27754.
• Fixed an issue that was causing the search box in File Explorer to be drawn off the end of the window.
• Fixed an issue that was causing an unexpected black line along the top border of a window.
• Fixed an issue that was causing desktop background to not show correctly sometimes with multiple monitors (showing big black areas).

Settings

Fixed an issue that was causing the Settings app to crash when selecting default audio device.

Input

Fixed an issue where the mouse cursor would become invisible when hovering over text fields in certain apps.

Task Manager

Fixed an issue where when resizing Task Manager to be larger while settings was open, the Mica background wouldn't align with the new window size.

Accessibility

Fixed an issue that was causing Narrator to crash on launch when using one of the natural voices in build 27754.

Bugs and quirks

• 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.
• The PAGE_FAULT_IN_NONPAGED_AREA bugcheck may occur in certain cases.
• Users may experience a hang at the boot screen and roll back with the 0xc190010 error when upgrading to this build.
• 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

• 

  Boot screen

• 

  The advanced camera configuration dialog in the Settings app

External links

• Official announcement