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Windows 11 Windows 11 Insider 25H2 Insider Preview, Beta Channel
Windows Insider

Build 26220.9343

Build 26220.9343: Windows Insider Beta Channel, September 2026. Saved Wi-Fi in recovery and a refreshed AutoPlay dialog

In short

Updates AutoPlay, adds saved Wi-Fi support in Windows Recovery, and improves personalization and File Explorer. It also includes fixes and known issues.

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

Build
26220.9343
Review notes Additional details from the official release notes (1) Read note
  • What changes Cloud rebuild is not yet available in the Beta channel. Microsoft removed its announcement and says it will re-announce the feature when it is available.

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

Improvements 15 changes

AutoPlay

For: everyone in the Beta Channel

  • The AutoPlay dialog has a refreshed design, supports dark mode, and places its notifications in the notification center.1
    The dialog is rebuilt with WinUI and responds better to text scaling and display settings.

Personalization

6 items

For: everyone in the Beta Channel

  • The Background page in Settings is more reliable.2
  • Desktop slideshow transitions are more reliable on newly created accounts.3
  • Background previews in Settings display at a higher resolution.4
  • The desktop background preview in Settings displays better on portrait-mode monitors.5
  • Wallpaper changes made in quick succession are processed more reliably.6
  • Slideshow wallpapers can be used with multiple desktops without automatically switching back to Picture.7

File Explorer

3 items

For: everyone in the Beta Channel

  • The address bar accepts paths containing double backslashes and quotation marks.8
  • Keyboard navigation works better in context menus in flyouts.9
  • File Explorer Home remembers which sections you expanded or collapsed.10

Magnifier

2 items

For: everyone in the Beta Channel

  • Magnifier's toolbar icons are updated to match the Windows 11 visual design.11
  • Magnifier's toolbar has adjusted spacing and padding for a more consistent layout.12

Emoji

For: everyone in the Beta Channel

  • Some existing emoji designs are adjusted, including the saluting face, face with peeking eye, goose, lotus, and kissing cat.13

Fonts

For: everyone in the Beta Channel

  • Adlam glyph designs are updated to better match the current standard and improve consistency.14

Print Management

For: everyone in the Beta Channel

  • The modernized Print Management experience is temporarily unavailable while it is refined; existing Print Management tools remain available.15

New features 5 changes

Personalization

For: everyone in the Beta Channel

  • You can use DIB image files as desktop backgrounds.16

Windows Recovery

For: devices that need network access during recovery

  • Windows Recovery can automatically connect using eligible Wi-Fi profiles saved in Windows, including supported certificate-based networks.17
    The capability is enabled by default. IT admins can disable it.

Camera Roll Backup

For: everyone in the Beta Channel

  • Settings adds entry points to set up automatic backups of photos and videos from a mobile device to OneDrive.18
    The entry points are on the Settings > Home and Accounts pages.

Emoji

For: everyone in the Beta Channel

  • Emoji 17.0 adds new emoji, including a distorted face, fight cloud, and hairy creature.19

Fonts

For: everyone in the Beta Channel

  • The Ebrima font supports the Garay and Beria Erfe writing systems.20
    Support covers Garay from Unicode 16.0 and Beria Erfe from Unicode 17.0.

Fixes 4 changes

Personalization

  • The desktop wallpaper no longer goes black after every reboot because of the issue seen in the previous build.21

File Explorer

3 items

For: everyone in the Beta Channel

  • The address bar suggestion list closes consistently after you select an item.22
  • Text is no longer repeatedly selected while renaming items in folder views.23
  • Folder views now immediately reflect updated names that differ only in letter case, across local and cloud storage.24

Technical details

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

Data sheet

Released
2026-09-08
Type
Windows Insider build
VersionBuildChannel
— 26220.9343 Beta Channel

Security

No vulnerabilities are listed for this update.

Sources

Updated
Cited passages from Microsoft's official notes (24)
  1. 1. Rebuilt with WinUI, the refreshed experience is more consistent with the rest of Windows, supports dark mode, and continues to provide the familiar AutoPlay actions you use today. learn.microsoft.com
  2. 2. Improved reliability of the Personalization > Background page in Settings. learn.microsoft.com
  3. 3. Improved reliability of desktop slideshow transitions on newly created accounts. learn.microsoft.com
  4. 4. Improved the resolution of previews when selecting a desktop background in Personalization > Background. learn.microsoft.com
  5. 5. Improved the desktop background preview display in Settings for users with portrait mode monitors. learn.microsoft.com
  6. 6. Improved reliability of processing desktop wallpaper changes when they happen in quick succession. learn.microsoft.com
  7. 7. Added support for using slideshow wallpapers with multiple desktops so that it won't automatically switch you back to Picture. learn.microsoft.com
  8. 8. The address bar now supports paths containing double backslashes and quotation marks learn.microsoft.com
  9. 9. Improved keyboard navigation of File Explorer context menus in flyouts. learn.microsoft.com
  10. 10. File Explorer Home now preserves the state of sections (expanded or collapsed), so you can pick up where you left off. learn.microsoft.com
  11. 11. We've updated Magnifier's toolbar icons to align with Windows 11 visual design, giving the tool a cleaner, more modernized feel. learn.microsoft.com
  12. 12. We've adjusted the padding and spacing across the toolbar for a more polished, consistent layout. learn.microsoft.com
  13. 13. This includes the saluting face, face with peeking eye, goose, lotus, and kissing cat emoji. learn.microsoft.com
  14. 14. Along with this support, we've refined and improved Adlam. The updated glyph designs reflect the current Unicode standard and improve consistency. learn.microsoft.com
  15. 15. We're temporarily removing the modernized Print Management experience from Windows Insider Preview builds while we continue refining the experience based on feedback. The existing Print Management tools remain available and are unaffected. learn.microsoft.com
  16. 16. Added support for using DIB image files as desktop backgrounds. learn.microsoft.com
  17. 17. We're adding a new WinRE networking capability that allows the Windows Recovery Environment to automatically reuse eligible Wi-Fi profiles already saved in the main Windows OS, including supported certificate-based Wi-Fi networks. learn.microsoft.com
  18. 18. New entry points on the Settings > Home and Accounts pages help you set up Camera Roll Backup and automatically back up photos and videos from your mobile device to OneDrive. learn.microsoft.com
  19. 19. We're adding support for Emoji 17.0. This includes new emoji such as distorted face, fight cloud, and hairy creature. learn.microsoft.com
  20. 20. Ebrima is our first Microsoft font to support both Garay and Beria Erfe, continuing our work to expand support for African writing systems across Windows. learn.microsoft.com
  21. 21. Fixed an issue that caused some Insiders to see their wallpaper go black after every reboot in the previous flight. learn.microsoft.com
  22. 22. Improved reliability of the address bar suggestion dropdown so it now consistently closes after an item is selected. learn.microsoft.com
  23. 23. Fixed an issue where text would be repeatedly selected while renaming items in folder views. learn.microsoft.com
  24. 24. Fixed an issue where updated names with case-only changes weren't immediately reflected in folder views across local and cloud storage. learn.microsoft.com
Checked automatically: 8 of 8 checks passed, 24 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