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Build 28020.1737

Build 28020.1737: Windows Insider Experimental Channel, March 2026. Pen settings add a Copilot key option for the pen tail button

In short

The Canary Channel build refines Pen settings and adds an option for the pen tail button to launch the same app as the Copilot key. The changes are rolling out gradually to Insiders with the toggle on.

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

Build
28020.1737
Review notes Additional details from the official release notes (1) Read note
  • What changes On March 18, Microsoft rolled out standalone Build 28020.1738 (KB5084491) to test the Canary Channel servicing pipeline. It adds nothing new, requires a restart, and does not change the device’s build version.

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

New feature 1 change

Pen settings

Gradual rollout

For: Insiders with the toggle on in the Canary Channel

  • Pen settings get small refinements, including changes to pen tail button options. A new option lets the pen tail button launch the same app as the Copilot key.1

Technical details

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

Data sheet

Released
2026-03-13
Type
Windows Insider build
VersionBuildChannel
— 28020.1737 Experimental Channel

Security

No vulnerabilities are listed for this update.

Sources

Updated
Cited passages from Microsoft's official notes (1)
  1. 1. small changes to the options for the pen tail button. A new option, “Same as Copilot key”, enables the pen tail button to launch the same app as the Copilot key. blogs.windows.com
Checked automatically: 8 of 8 checks passed, 1 quoted passage
  • 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 5/5, clarity 5/5, 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