The Update BureauBuild 28020.2236: Windows Insider Beta Channel, June 2026. Minor bugs fixed, with other improvements
Includes a small number of minor bug fixes and improvements; the release notes do not identify them individually.
Does it affect you? Applies to: Devices enrolled in the Windows Insider Program’s Beta (26H1) Channel.
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
Fix 1 change
Bug fixes
For: Insiders in the Beta (26H1) Channel
- A small number of minor bugs are fixed; the release notes do not identify them.1
Improvement 1 change
Other improvements
For: Insiders in the Beta (26H1) Channel
- A small number of minor improvements are included; the release notes do not describe them.1
Technical details
Data sheet · Security · Downloads · Components Click to collapse or expand
Data sheet
- Released
- 2026-06-08
- Type
- Windows Insider build
| Version | Build | Channel |
|---|---|---|
| — | 28020.2236 | Beta Channel |
Security
No vulnerabilities are listed for this update.
Sources
Cited passages from Microsoft's official notes (1)
-
1.
This update includes a small number of minor bug fixes and improvements.
learn.microsoft.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 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