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

Build 28020.2075

Build 28020.2075: Windows Insider Experimental Channel, May 2026. ADLaM typing, clipboard history, and script rendering improvements

In short

Improves ADLaM typing reliability, clipboard history performance, and font rendering for several scripts.

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

Build
28020.2075

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 3 changes

Input

Gradual rollout 2 items

For: Insiders in the Experimental Channel

  • Typing with the ADLaM keyboard is more reliable.1
  • Clipboard history opens faster.2

Fonts

Gradual rollout

For: Insiders in the Experimental Channel

  • Font updates improve how Thai, Lao, Khmer, and Lontara text is arranged and displayed.3
    The Leelawadee UI font family is updated for the Thai, Lao, Khmer, and Lontara scripts.

Technical details

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

Data sheet

Released
2026-05-08
Type
Windows Insider build
VersionBuildChannel
— 28020.2075 Experimental Channel

Security

No vulnerabilities are listed for this update.

Sources

Updated
Cited passages from Microsoft's official notes (3)
  1. 1. Improved the reliability of typing when using the ADLaM keyboard. learn.microsoft.com
  2. 2. Improved performance of opening clipboard history. learn.microsoft.com
  3. 3. We’ve made some font improvements, including updating the Leelawadee UI font family for the Thai, Lao, Khmer, and Lontara scripts to help improve glyph sequencing, positioning, and rendering for these scripts. 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 5/5, clarity 5/5, 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