Build 29591.1000: Windows Insider Experimental Channel, May 2026. Shared audio and more control over Windows Update

This build for Insiders in the Canary 29500 series adds shared audio and new Windows Update controls, and changes when Storage asks for administrator approval.

Does it affect you? Applies to: Insiders in the Canary 29500 series Channel, including those who may not yet have transitioned to Experimental (Future Platforms).

Review notes Additional details from the official release notes (2) Read notes

Known issues Canary 29500-series builds may be unstable and have limited documentation. Preview features may change or never be released.
What changes Shared audio is described for Insiders in the Canary 29500 series Channel, including those not yet transitioned to Experimental (Future Platforms). It requires two supported, paired, and connected devices.

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

Improvements 4 changes

Windows Update

3 items

For: Insiders in the Canary 29500 series Channel

Windows Update is intended to let you extend update pauses as many times as you need. This option is not yet available in this channel.¹
Shutdown and restart options that install updates are always available.²
You get more information about available updates to help decide when to install them.³

Storage

For: Insiders in the Canary 29500 series Channel

The administrator approval prompt appears when you open temporary files, rather than immediately when you open the Storage page.⁴
In Settings > System > Storage, the UAC prompt appears when viewing temporary files.

New features 2 changes

Windows Update

For: Insiders in the Canary 29500 series Channel

You can skip updates immediately during the initial Windows setup.⁵
The option is available during the out-of-box experience (OOBE).

Shared audio

For: Insiders with two supported, paired, and connected devices

Two people can listen to the same audio from one PC at the same time using supported, paired, and connected audio devices.⁶
Shared audio uses Bluetooth LE Audio broadcast technology.

Technical details

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

Data sheet

Released: 2026-05-22
Type: Windows Insider build

Version	Build	Channel
—	29591.1000	Experimental Channel

Security

No vulnerabilities are listed for this update.

Sources

Windows Insider release notes

Updated Oct 26, 2026

Cited passages from Microsoft's official notes (6)

1. Extended pause for Windows Update is not yet available for this channel. learn.microsoft.com
2. Always available options to shutdown and restart with updating learn.microsoft.com
3. More insight on available updates to make more informed installation decisions learn.microsoft.com
4. Updated Settings > System > Storage, so rather than seeing a UAC prompt immediately when you go to the page, you’ll only see it when going to view temporary files. learn.microsoft.com
5. Ability to skip updates immediately during the out of box experience (OOBE) learn.microsoft.com
6. Shared audio enables two people to listen to the same audio from a single Windows 11 PC at the same time. learn.microsoft.com

Checked automatically: 8 of 8 checks passed, 6 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 3/5, clarity 4/5, 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