Skip to the content
The Update Bureau
Windows 11 Windows 11 Insider 26H2 Insider Preview, Experimental Channel
Windows Insider

Build 27744

Build 27744: Windows Insider Experimental Channel, November 2024. Prism runs more x64 apps on Arm, with an older NVIDIA display fix

In short

Canary Channel build 27744 previews support for more x64 apps under Prism on Windows on Arm and fixes black-screen and responsiveness problems on some PCs with older NVIDIA GPUs.

Does it affect you? Applies to: Devices enrolled in the Windows Insider Program Canary Channel.

Build
27744
Review notes Additional details from the official release notes (1) Read note
  • In detail The PIN and biometric sign-in issue is reported for new Copilot+ PCs joining Canary from the Dev Channel, Release Preview Channel, or retail.

The official sources are linked at the end of the page.

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 12 changes

General

2 items
  • Some PCs with older NVIDIA GPUs no longer show a black, unresponsive display or GPU errors in Device Manager.1
  • Some Insiders no longer encounter a PAGE_FAULT_IN_NONPAGED_AREA bugcheck.6
    Fixes an issue that began in Build 27723.

Input

2 items
  • The Emoji Panel and Clipboard History open in surfaces where they previously failed, including Registry Editor.2
  • Clipboard history displays items you copied.3

Windows Sandbox

  • Windows Sandbox performance improves for some Insiders.4

Graphics

  • Dynamic refresh rate no longer gets stuck at 60Hz on first boot.5

Remote Desktop

  • Remote Desktop Connection no longer crashes.7
    Fixes a crash in mstsc.exe from the previous flight.

Apps

  • Some apps no longer crash because of an issue related to msmpeg2vdec.dll.8
    The issue affected the last couple of flights.

Images

  • Apps can query rotation information for JPG files through APIs again.9
    The source gives PowerShell as an example of an API client.

Windows capabilities

  • The Get-WindowsCapability command no longer sometimes fails unexpectedly until you restart the PC.10

Desktop background

  • Mica works correctly when you use a slideshow for your desktop background.11

Scanners

  • Apps can detect a connected scanner.12

Improvements 5 changes

SDKs

For: Developers

  • SDKs are not planned for 27xxx series builds for the time being.13

Start menu

For: Everyone in the Canary Channel

  • The Start menu’s “All apps” label is now “All”.14

Task Manager

2 items

For: Everyone in the Canary Channel

  • The Disconnect and Logoff dialogs support dark mode and text scaling.15
  • The Performance section identifies the type of each listed disk.16

Settings

For: Everyone in the Canary Channel

  • The option to detach a virtual hard disk is available again in Settings.17
    The detach button for VHD/VHDx files returns under Settings > System > Storage > Disks & Volumes after being temporarily disabled starting with Build 27718.

New features 2 changes

Prism

For: Users of Windows on Arm

  • More 64-bit x86 apps and games can run under emulation on Windows on Arm.18
    The virtual CPU for x64 apps gains support for AVX, AVX2, BMI, FMA, F16C, and other CPU features. In this preview, only x64 apps can use the new features; 32-bit apps and 64-bit apps using a 32-bit helper to detect CPU support will not detect them.

Input

Gradual rollout

For: Insiders receiving the gradual rollout

  • A new on-screen keyboard layout lets you navigate and type with an Xbox controller.19
    The Gamepad keyboard layout includes button accelerators, such as X for backspace and Y for the spacebar, and vertically aligns the keys for controller navigation.

Technical details

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

Data sheet

Released
2024-11-06
Type
Windows Insider build
VersionBuildChannel
— 27744 Experimental Channel

Security

No vulnerabilities are listed for this update.

Sources

Updated
Cited passages from Microsoft's official notes (19)
  1. 1. We fixed the issue causing some Insiders with PCs that have older NVIDIA GPUs (like the GTX 970, Quadro K620, etc.) to experience issues where their displays appear stuck at a black screen and unresponsive blogs.windows.com
  2. 2. Fixed an underlying issue causing the Emoji Panel and Clipboard History to not open in certain surfaces anymore, including in Registry Editor. blogs.windows.com
  3. 3. Fixed an underlying issue which could lead to clipboard history not displaying items you’d copied. blogs.windows.com
  4. 4. Fixed an issue impacting performance of Windows Sandbox for some Insiders after the latest updates. blogs.windows.com
  5. 5. Fixed an which could lead dynamic refresh rate to get stuck at 60Hz on first boot. blogs.windows.com
  6. 6. Fixed an issue causing some Insiders to see a bugcheck with error PAGE_FAULT_IN_NONPAGED_AREA starting in Build 27723. blogs.windows.com
  7. 7. Fixed an issue causing remote desktop connection (mstsc.exe) to crash in the previous flight. blogs.windows.com
  8. 8. Fixed a msmpeg2vdec.dll related issue in the last couple flights which was leading to some apps crashing. blogs.windows.com
  9. 9. Fixed an issue where rotation info about JPGs couldn’t be queried via APIs (for example, via PowerShell). blogs.windows.com
  10. 10. Fixed an underlying issue which was causing the Get-WindowsCapability command to get into a state sometimes where it would fail unexpectedly until rebooting your PC. blogs.windows.com
  11. 11. Fixed an issue causing mica to not work correctly when using a slideshow for your desktop background. blogs.windows.com
  12. 12. Fixed an issue which could lead to certain apps not detecting a scanner, although one was connected. blogs.windows.com
  13. 13. We are also not planning to release SDKs for 27xxx series builds for the time being. blogs.windows.com
  14. 14. “All apps” is now just “All” on the Start menu. blogs.windows.com
  15. 15. We’ve updated the design of the Disconnect and Logoff dialogs in Task Manager to now support dark mode and text scaling. blogs.windows.com
  16. 16. In the Performance section we now label listed disks with their type. blogs.windows.com
  17. 17. The detach virtual hard disk (VHD/VHDx) button we added under Settings > System > Storage > Disks & Volumes introduced with Build 27686 is now back with this build blogs.windows.com
  18. 18. Starting with Build 27744, the support is being opened to any x64 application under emulation. blogs.windows.com
  19. 19. We’re beginning to roll out a new Gamepad keyboard layout for the on-screen keyboard in Windows 11 that supports the ability to use your Xbox controller to navigate and type. blogs.windows.com
Checked automatically: 8 of 8 checks passed, 19 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 5/5. 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