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Windows 11 Windows 11 Insider 26H2 Insider Preview, Experimental Channel
Windows Insider

Build 27758

Build 27758: Windows Insider Experimental Channel, December 2024. Advanced camera controls and Microsoft Store app updates

In short

Adds advanced camera options and Microsoft Store updates for some Win32 apps, alongside fixes for crashes, audio, and other issues.

Does it affect you? Applies to: Devices enrolled in the Windows Insider Program in the Experimental (Canary) Channel. The Microsoft Store improvement is for Insiders in any channel running Store version 22411.1401.x.x or higher.

Build
27758

This is a test build for people in the Windows Insider Program. Features in it can change, be removed, or never reach regular Windows releases.

What changes

Fixes 10 changes

File Explorer

For: Insiders in the Canary Channel

  • The search box no longer draws past the edge of the File Explorer window.1

Taskbar

For: Insiders in the Canary Channel

  • Right-clicking an app icon on the taskbar no longer might crash Explorer.1
    Fixes a possible explorer.exe crash when right-clicking taskbar app icons.

Input

For: Some Insiders

  • The mouse cursor no longer becomes invisible over text fields in certain apps for some people.2

Desktop

For: Insiders using multiple monitors

  • Desktop backgrounds display correctly more consistently with multiple monitors, without large black areas.2

Task Manager

Gradual rollout

For: Insiders in the Canary Channel

  • The Mica background aligns with the resized Task Manager window when Settings is open.3
    The fix is beginning to roll out.

Narrator

For: Insiders using natural voices

  • Narrator no longer crashes on launch when you use some natural voices, such as Jenny.4

Audio

2 items
  • USB audio devices no longer might go to sleep after one minute of inactivity and stay asleep until the PC restarts.5
  • Some headsets no longer unexpectedly play a mute or unmute sound.6

Settings

For: Insiders in the Canary Channel

  • Settings no longer might crash when you select the default audio device.7

Other

For: Insiders in the Canary Channel

  • A black line no longer unexpectedly appears along the top edge of a window.8

Improvement 1 change

Microsoft Store

For: Insiders across all channels

  • You can update some Win32 apps from the Microsoft Store. Updates appear on the Downloads page or the app's product page and require you to click Update.9
    Applies to Win32 apps provided and updated by their publishers, for Insiders running Microsoft Store version 22411.1401.x.x or higher.

New feature 1 change

Windows Camera Advanced Configurations

For: Insiders in the Canary Channel

  • A new camera settings page lets multiple apps access the camera stream at the same time, or switches the camera to basic functionality for debugging.10
    Find the options under Settings > Bluetooth & devices > Cameras by selecting a camera and clicking the edit button.

Technical details

Data sheet · Security · Downloads · Components Click to collapse or expand

Data sheet

Released
2024-12-04
Type
Windows Insider build
VersionBuildChannel
— 27758 Experimental Channel

Security

No vulnerabilities are listed for this update.

Sources

Updated
Cited passages from Microsoft's official notes (10)
  1. 1. Did some work so the search box in File Explorer shouldn’t draw off the end of the window anymore. blogs.windows.com
  2. 2. Fixed an issue where your desktop background might not show correctly sometimes with multiple monitors (showing big black areas). blogs.windows.com
  3. 3. We are beginning to roll out a fix for the issue where if you resized Task Manager to be larger while settings was open, the Mica background wouldn’t align with the new window size. blogs.windows.com
  4. 4. Fixed an issue in the previous flight which caused Narrator to crash on launch if you used one of the natural voices (like Jenny). blogs.windows.com
  5. 5. Fixed an underlying issue which could lead to USB audio devices going to sleep after 1 minute of idle time, and not waking up until the PC was rebooted. blogs.windows.com
  6. 6. Fixed an underlying issue which could lead you to unexpectedly hear a mute or unmute noise in certain headsets. blogs.windows.com
  7. 7. Fixed an issue which could cause Settings to crash when selecting your default audio device. blogs.windows.com
  8. 8. Fixed an issue which could cause an unexpected black line along the top border of a window. blogs.windows.com
  9. 9. For Win32 apps that are “provided and updated” by their publishers, the Microsoft Store will now support updating directly in the Store. blogs.windows.com
  10. 10. This new advanced camera options page will provide you with the following two configurations for your camera: blogs.windows.com
Checked automatically: 8 of 8 checks passed, 10 quoted passages
  • Quotes found in the official pages: passed
  • Numbers found in the sources: passed
  • Vulnerabilities from the dossier only: passed
  • Links to allowed domains only: passed
  • Every official change covered: passed
  • Readable plain text: passed
  • Changes confirmed by the file list: passed
  • Sources agree: passed

A second AI read the text against the sources: correctness 4/5, clarity 4/5, completeness 4/5. How we work

Published by The Update Bureau. Written with AI from Microsoft's own documents, checked by rules and a second AI. How we work · Report a mistake