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Windows Insider

Build 29617.1000

Build 29617.1000: Windows Insider Experimental Channel, June 2026. Exact Magnifier zoom and a new screen tint setting

In short

This Experimental Channel build adds precise Magnifier controls and screen tint, alongside changes to updates, audio, storage, and personalization. These are test features rolling out gradually.

Does it affect you? Applies to: Insiders in the Experimental (Future Platforms) Channel. The notes also apply to Insiders in the Canary 29600 Series Channel who have not yet transitioned to the new channel name.

Build
29617.1000

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

Windows Update

Gradual rollout

For: Insiders receiving the gradual rollout

  • Driver, .NET, and firmware updates are coordinated with the monthly quality update, reducing the update experience to a single monthly restart.1

Audio

Gradual rollout

For: Insiders receiving the gradual rollout

  • The Allow option in audio-device properties now states the device's current state.2

Multiple Desktops

Gradual rollout

For: Insiders receiving the gradual rollout

  • Explorer is more reliable when you switch between multiple desktops.3

Storage

Gradual rollout

For: Insiders receiving the gradual rollout

  • When creating a Dev Drive or changing a volume's size in Settings, you can specify the size in GB instead of only MB.4
    Volume sizing is under Settings > System > Storage.

Personalization

Gradual rollout 2 items

For: Insiders receiving the gradual rollout

  • Automatic accent-color selection matches your wallpaper more accurately.5
  • Wallpapers are more likely to remain in place after restarts and upgrades, including large-resolution wallpapers.6
    The change improves wallpaper persistence across restarts and upgrades and helps prevent solid-color wallpaper fallback.

Display and Graphics

Gradual rollout

For: Insiders receiving the gradual rollout

  • Applying color profiles is more reliable, and the profiles persist more reliably.7

New features 5 changes

Windows Magnifier

Gradual rollout 2 items

For: Insiders receiving the gradual rollout

  • You can enter an exact zoom percentage in the Magnifier toolbar.8
  • A Settings dropdown offers preset zoom steps from 5% to 400%.9
    The preset increments are 5%, 10%, 25%, 50%, 100%, 150%, 200%, and 400%.

Accessibility

Gradual rollout

For: Insiders receiving the gradual rollout

  • Screen tint applies a color overlay across the display to reduce its intensity. You can choose a preset or custom color and adjust the tint strength.10
    Screen tint and color filters cannot be enabled at the same time.

Voice Access

Gradual rollout

For: Insiders receiving the gradual rollout

  • Voice Access supports Portuguese (Portugal), Portuguese (Brazil), and Korean (South Korea).11

Audio

Gradual rollout

For: Insiders receiving the gradual rollout

  • Audio-device properties now include “Listen to this device,” so you do not need to open Control Panel for this function.12

Technical details

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

Data sheet

Released
2026-06-26
Type
Windows Insider build
VersionBuildChannel
— 29617.1000 Experimental Channel

Security

No vulnerabilities are listed for this update.

Sources

Updated
Cited passages from Microsoft's official notes (12)
  1. 1. We are starting by coordinating driver, .NET, and firmware updates to align with the monthly quality update, reducing the update experience to a single monthly restart. learn.microsoft.com
  2. 2. We've adjusted the description text for the Allow option in properties for audio devices to include the current state of the device, to improve the clarity of the text and the purpose of the button actions. learn.microsoft.com
  3. 3. Improved explorer reliability when switching between multiple desktops. learn.microsoft.com
  4. 4. We've updated the dialog when creating a Dev Drive to now support specifying the size in GB instead of only MB. learn.microsoft.com
  5. 5. This update improves color selection accuracy when adjusting your accent color to match your wallpaper when automatic accent color selection is enabled in Personalization settings. learn.microsoft.com
  6. 6. This update improves wallpaper persistence reliability across restarts and upgrades, including better support for large-resolution wallpapers and other scenarios to prevent solid color wallpaper fallback. learn.microsoft.com
  7. 7. Improves the reliability and persistence of applying color profiles. learn.microsoft.com
  8. 8. You can type an exact zoom percentage directly in the magnifier toolbar to land on precisely the level you need. learn.microsoft.com
  9. 9. We've also added preset step increments (5%, 10%, 25%, 50%, 100%, 150%, 200%, and 400%) to the Settings dropdown, so you can jump to common levels in a single click. learn.microsoft.com
  10. 10. We're introducing screen tint, a new accessibility setting that applies a color overlay across your entire display, softening its intensity so it's easier on your eyes throughout the day. learn.microsoft.com
  11. 11. Voice Access now supports Portuguese (Portugal), Portuguese (Brazil), and Korean (South Korea). learn.microsoft.com
  12. 12. "Listen to this device" is now available in properties for audio devices, so you don't need to enter Control Panel for this functionality. learn.microsoft.com
Checked automatically: 8 of 8 checks passed, 12 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 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