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

Build 26220.9587

Build 26220.9587: Windows Insider Beta Channel, October 2026. Unicode 17.0 text support and faster Settings loading

In short

Beta Channel Insiders get Unicode 17.0 text support and faster loading on the Settings home page. The update also removes the cloud recovery entry point.

Does it affect you? Applies to: Devices enrolled in the Windows Insider Program in the Beta Channel. The build is based on Windows 11, version 25H2, via an enablement package.

Build
26220.9587

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 2 changes

Unicode

For: Everyone in the Beta Channel

  • Windows can display and shape newly encoded characters and scripts, including characters from four newly encoded scripts.1
    Updates Windows text shaping support to Unicode 17.0, which adds 4,803 characters, including Beria Erfe, Sidetic, Tai Yo, and Tolong Siki.

Settings

For: Everyone in the Beta Channel

  • The Settings home page loads faster in certain scenarios.2

Removal 1 change

Cloud recovery

For: Beta Channel Insiders

  • The cloud recovery entry point is removed.3

Technical details

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

Data sheet

Released
2026-10-02
Type
Windows Insider build
VersionBuildChannel
— 26220.9587 Beta Channel

Security

No vulnerabilities are listed for this update.

Sources

Updated
Cited passages from Microsoft's official notes (3)
  1. 1. We've updated Windows text shaping support for Unicode 17.0, helping Windows correctly display and shape newly encoded characters and scripts. learn.microsoft.com
  2. 2. We're making performance improvements to the Settings home page, which should result in reduced loading times in certain scenarios. learn.microsoft.com
  3. 3. Update 7 October 2026: Removal of cloud recovery entry point learn.microsoft.com
Checked automatically: 8 of 8 checks passed, 3 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