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Windows 11 Windows 11 Insider 26H1 Insider Preview, Experimental Channel
Windows Insider

Build 28020.2134

Build 28020.2134: Windows Insider Experimental Channel, May 2026. More control over Windows updates and better SSDP reliability

In short

Adds update controls and improves SSDP notification reliability. Resetting a PC may get stuck with a local reset; the notes recommend cloud download.

Does it affect you? Applies to: Devices enrolled in the Experimental (26H1) Channel, formerly known as the Canary 28000 series Channel.

Build
28020.2134
Review notes Additional details from the official release notes (1) Read note
  • Known issues Resetting your PC may get stuck when using “Reset this PC.” To complete the reset successfully, choose the cloud download option instead of local.

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 5 changes

Windows Update

Gradual rollout 4 items

For: Insiders in the Experimental (26H1) Channel

  • During first-run setup, you can skip updates immediately.1
    Adds the ability to skip updates during the out-of-box experience (OOBE).
  • You can extend update pauses as many times as you need.2
  • Options to shut down or restart while updating are always available.3
  • You get more information about available updates to help decide whether to install them.4

Other

Gradual rollout

For: Insiders in the Experimental (26H1) Channel

  • SSDP notifications become more reliable, helping prevent the service from becoming unresponsive.5
    Improves the reliability of Simple Service Discovery Protocol (SSDP) notifications.

Technical details

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

Data sheet

Released
2026-05-15
Type
Windows Insider build
VersionBuildChannel
— 28020.2134 Experimental Channel

Security

No vulnerabilities are listed for this update.

Sources

Updated
Cited passages from Microsoft's official notes (5)
  1. 1. Ability to skip updates immediately during the out of box experience (OOBE) learn.microsoft.com
  2. 2. Extend update pauses as many times as you need learn.microsoft.com
  3. 3. Always available options to shutdown and restart with updating learn.microsoft.com
  4. 4. More insight on available updates to make more informed installation decisions learn.microsoft.com
  5. 5. This update improves the reliability of Simple Service Discovery Protocol (SSDP) notifications to help prevent the service from becoming unresponsive. learn.microsoft.com
Checked automatically: 8 of 8 checks passed, 5 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 3/5. 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