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Windows Insider

Build 29580.1000

Build 29580.1000: Windows Insider Experimental Channel, May 2026. Feedback Hub translations and larger feedback uploads

In short

Build 29580.1000 gradually updates Feedback Hub for Insiders in the Experimental Channel, with improved translations, reliability, and support for feedback files up to 500 MB.

Does it affect you? Applies to: Insiders in the Experimental Channel. The release notes also apply to Insiders in the Canary 29500 series who may not yet have transitioned to the new channel name.

Build
29580.1000

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 7 changes

General

Gradual rollout

For: Insiders running this build

  • A small set of general improvements and fixes improves the overall experience on PCs running this build.1

Feedback Hub

Gradual rollout 6 items
  • Feedback Hub is more reliable.2
    Version 2.2604.301.0.
  • Feedback Hub's design fit and finish, accessibility, and localization get further improvements.3
  • People using the Community feedback section in a language other than English can switch to an English view.4
  • Collection titles and official responses are automatically translated in top languages.5
  • You can attach feedback files up to 500 MB again.6
  • Upvote and comment counts for feedback are more accurate.7

Technical details

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

Data sheet

Released
2026-05-08
Type
Windows Insider build
VersionBuildChannel
— 29580.1000 Experimental Channel

Security

No vulnerabilities are listed for this update.

Sources

Updated
Cited passages from Microsoft's official notes (7)
  1. 1. This update includes a small set of general improvements and fixes that improve the overall experience for Insiders running this build on their PCs. learn.microsoft.com
  2. 2. Generally improved reliability. learn.microsoft.com
  3. 3. More tweaks to improve general design fit and finish, accessibility, and localization. learn.microsoft.com
  4. 4. The Community feedback section for non-English now allows you to switch view to English if you’d prefer. learn.microsoft.com
  5. 5. Collection titles and Official responses now will be automatically translated in top languages. learn.microsoft.com
  6. 6. The file upload limit when submitting feedback is back up to 500 MB. learn.microsoft.com
  7. 7. Improved upvote and comment count accuracy for feedback. learn.microsoft.com
Checked automatically: 8 of 8 checks passed, 7 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