The Update BureauBuild 29704.1000: Windows Insider Experimental Channel, November 2026. Per-app privacy controls and fixes for upgrades and audio
Per-app camera, microphone, and location controls are rolling out, alongside fixes for upgrade errors and audio playback. The build is for Windows Insiders in the Experimental Channel.
Does it affect you? Applies to: Windows Insiders in the Experimental Channel running build 29704.1000.
Review notes Additional details from the official release notes (2) Read notes
- In detail This build fixes an issue that could cause HDMI and DisplayPort audio playback to fail on certain AMD graphics cards after the latest builds.
- What changes This build fixes an issue that could cause HDMI and DisplayPort audio playback to fail on certain AMD graphics cards after the latest builds.
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
Fixes 2 changes
Windows Update
For: Insiders who upgrade to the latest builds
-
Some Insiders can upgrade to the latest builds without seeing the installation error.1
Fixes error
0x80070057 - 0x20003, “The installation failed in the SAFE_OS phase with an error during INSTALL_UPDATES operation,” when upgrading to the latest builds.
Audio
For: Insiders using certain AMD graphics cards
- HDMI and DisplayPort audio playback might no longer fail on some AMD graphics cards after the latest builds.2
Improvement 1 change
General improvements and fixes
For: Insiders running this build
- This build includes a small set of general improvements and fixes for PCs running it.3
New feature 1 change
Manage camera, microphone, and location access for desktop apps
For: Windows Insiders in the Experimental Channel
-
You can allow or block camera, microphone, and location access for each desktop app. Apps that have not used a resource ask for permission the first time they need it.4
Most desktop apps have clear app attribution. Apps that rely on shared system components, browser-hosted experiences, or similar technologies might appear under a different name. Some apps might appear as Unsigned if Windows cannot verify publisher information. Only grant access to apps you recognize and trust. Existing permission decisions and enterprise policies remain in place; no settings are reset.
Technical details
Data sheet · Security · Downloads · Components Click to collapse or expand
Data sheet
- Released
- 2026-11-06
- Type
- Windows Insider build
| Version | Build | Channel |
|---|---|---|
| — | 29704.1000 | Experimental Channel |
Security
No vulnerabilities are listed for this update.
Sources
Cited passages from Microsoft's official notes (4)
-
1.
Fixed an issue causing some Insiders to see error
learn.microsoft.com0x80070057 - 0x20003 -
2.
Fixed an issue where HDMI and DisplayPort audio playback might fail on certain AMD graphics cards after the latest builds.
learn.microsoft.com -
3.
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 -
4.
Windows Insiders can now manage camera, microphone, and location permissions for individual desktop apps.
learn.microsoft.com
Checked automatically: 8 of 8 checks passed, 4 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 3/5, 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