Insider KB5127653 Windows 11 Insider Release Preview build 28000.3351 (26H1) - Oct. 16

UPDATE 10/28:



These release notes are for Windows 11 Build 28000.3351 (KB5127653) in the Release Preview channel on Windows 11, version 26H1, all editions.

This update is available through two release phases: gradual rollout and normal rollout. A gradual rollout delivers an update in phases, so features reach devices over time instead of all at once, meaning availability varies by device. A normal rollout is the broad release to all eligible devices at the same time, usually when it reaches general availability (GA).

Gradual rollout​

This section highlights some new features and enhancements for Windows 11 PCs, including AI-powered capabilities, continuous innovation, and performance improvements.

• [File Explorer]
  • New! This update adjusts how the preview pane handles files downloaded from the web. For HTML files, a new Preview anyway button lets you acknowledge the warning and preview the file. Non-HTML files, such as PDFs, are now previewed automatically.
  • New! File Explorer Home now preserves the state of sections (expanded or collapsed), so you can pick up where you left off.
  • New! This update improves the reliability of thumbnail previews for cloud files in the Details pane. The pane has also been reorganized, so file properties are easier to find and review at a glance.
  • New! This update addresses an issue that could clear the address bar contents when entering edit mode by clicking near the right side of the address bar.
• [Emoji]
  • New! This update adds support for Emoji 17.0, including new emoji such as distorted face, fight cloud, and hairy creature. To insert them, press Windows key + Period (.) to open the emoji panel.
  • New! This update also refines the design of several existing emoji for better consistency across platforms, including saluting face, face with peeking eye, goose, lotus, and kissing cat.
    
    
    

    Open Emoji Panel in Windows 11

    This tutorial will show you how to open the Emoji Panel in Windows 11. An emoji is a pictogram, logogram, ideogram or smiley embedded in text. Windows 11 includes 3D Fluent emoji you can use from the Emoji Panel. Starting with Windows 11 build 22631.3810, Microsoft is adding support for Emoji...

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• [Widgets] New! This update introduces the Tips widget, which provides short, helpful guidance about Windows features. To add it to your Widgets board, open the board, select Add widgets, and then choose Tips. To add it to your lock screen, go to Settings > Personalization > Lock screen and add Tips to your lock screen widgets.
  
  
  

  Add or Remove Widgets on Widgets Board in Windows 11

  This tutorial will show you how to add (pin) or remove (unpin) widgets on the Widgets board for your account in Windows 11. Widgets in Windows are interactive elements that display dynamic content and provide quick access to various apps and features. You can view your location's current...

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  Add and Remove Widgets on Lock Screen in Windows 11

  This tutorial will show you how to add and remove widgets on the lock screen for your account in Windows 11. You can stay informed and efficient with dynamic updates that bring weather, finance, sports, traffic, and app notifications right to your lock screen. Starting with Windows 11 build...

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• [Personalization]This update includes a variety of improvements to desktop background experiences:
  • This update improves the reliability of the Personalization > Background page in Settings.
  • This update adds support for using DIB image files as desktop backgrounds.
  • This update improves the reliability of desktop slideshow transitions on newly created accounts.
  • This update improves the resolution of previews when selecting a desktop background in Personalization > Background.
  • This update improves the desktop background preview display in Settings for users with portrait mode monitors.
  • This update improves the reliability of processing desktop wallpaper changes when they happen in quick succession.
  • This update adds support for using slideshow wallpapers with multiple desktops, so that it won't automatically switch you back to Picture.
    
    
    

    Change Desktop Background to Spotlight, Picture, Solid Color, or Slideshow in Windows 11

    This tutorial will show you different ways to change the desktop background to a picture, solid color, slideshow, or Windows Spotlight image for your account in Windows 11. You can change your desktop background in Windows 11 to be a picture, solid color, a slideshow, or Windows Spotlight...

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• [Bluetooth]This update contains several enhancements to improve reliability and the experience when connecting to and using Bluetooth devices:
  • During voice calls, the Windows shell volume flyout now appears when adjusting the volume of a Bluetooth Classic Audio accessory using the volume controls on the accessory, providing visual feedback of the new volume level.
  • This update improves the accuracy of the connection state displayed by Windows for accessories that have disconnected from the PC.
  • This update improves the stability of the Bluetooth & devices page in Settings when managing Bluetooth and audio devices.
  • This update resolves an issue where the Bluetooth radio could be turned off, but the radio control toggle on the Bluetooth & devices page in Settings appeared on.
  • This update improves Bluetooth audio stability and compatibility.
  • This update improves microphone compatibility with certain Bluetooth Classic Audio accessories.
  • This update resolves an issue that could result in a crash (error code 0x139) while streaming Bluetooth audio.
  • This update improves reliability and performance with LE Audio accessories.
  • This update improves the reliability of shared audio.
    
    
    

    Use Shared Audio with Two Bluetooth LE Audio Devices in Windows 11

    This tutorial will show you how to share and stop sharing output audio with two Bluetooth LE Audio devices on supported Windows 11 Copilot+ PC. Shared audio is an experience built on Bluetooth LE Audio broadcast technology for Copilot+ PCs. Shared audio allows your audio to be shared between...

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• [Accessibility]
  • New! This update introduces Open apps maximized, an accessibility setting that automatically maximizes app windows as they open. It removes a bit of everyday friction whether you use a screen reader or magnification, work in tablet mode, or simply prefer a consistent, full-screen workspace. To turn it on, go to Settings > Accessibility > Visual effects and turn on Open apps maximized.
    
    
    

    Enable or Disable Open Apps Maximized by Default in Windows 11

    This tutorial will show you how to turn on or off always open apps maximized by default for your account in Windows 11. You can manually maximize an app window in Windows 11 to "fit to screen" or "fill the screen" with the window. Starting with Windows 11 build 26100.9550 (24H2), build...

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  • This update improves navigation of the Bluetooth quick settings page when using keyboard input, gamepad input, or Narrator.
• [Magnifier] New!This update brings a modernized visual refresh to Magnifier on the taskbar:
  • Updated icons: Magnifier's toolbar icons align with the Windows 11 visual design, giving the tool a cleaner, more modern feel.
  • Refined spacing and padding: The padding is adjusted with consistent spacing across the toolbar for a more polished layout.
  • Views, zoom controls, keyboard shortcuts, and Read Aloud all behave exactly as they did in earlier versions.
• [Settings]
  • This update improves the reliability of Settings when interacting with the contents of the Settings > Bluetooth & devices > Printers & scanners page.
  • This update updates Settings > Apps > Installed apps to show the version number at the top level for packaged apps, as it already does for other apps.
    
    
    

    Find Version of Installed Apps in Windows 11

    This tutorial will show you how to find the current version of installed apps in Windows 11. Option One: Find Version of Installed Apps in Settings Option Two: Find Version of Installed Apps in Control Panel Option Three: Find Version of Installed Apps in Microsoft Store Option Four: Find...

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  • This update improves the time picker control in Settings so that it reflects your preferred time format when you switch between 12-hour and 24-hour formats. This applies in places such as setting active hours and scheduling night light.
  • This update improves the persistence of the Allow multiple apps to use camera at the same time option in Settings > Bluetooth & devices > Camera.
    
    
    

    Enable or Disable Multiple Apps to Use Camera in Windows 11

    This tutorial will show you how to turn on or off allowing multiple apps to use camera at the same time for your account or all users in Windows 11. Starting with build 26100.8524 (24H2), build 26200.8524 (25H2), and build 28000.2340 (26H1), Microsoft added a new Advanced camera options section...

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• [Touchpad] New! Additional gesture controls for precision touchpads are available in Settings > Bluetooth & devices > Touchpad:
  • Single-finger scrolling: Scroll vertically with one finger starting from the left or right side of the touchpad.
    
    
    

    Disable or Change Single-finger Scrolling Side on Touchpad in Windows 11

    This tutorial will show you how to start vertical scrolling with a single-finder near the left or right side of the touchpad for your account in Windows 11. Starting with Windows 11 build 26100.9550 (24H2), build 26200.9550 (25H2), and build 26300.9550 (26H2), Microsoft is adding new...

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  • Automatic scrolling: Keep scrolling without lifting your fingers by moving them near the edge of your touchpad while scrolling.
    
    
    

    Turn On or Off Automatic Scrolling with Pressure on Touchpad in Windows 11

    This tutorial will show you how to turn on or off automatic scrolling with pressure on the touchpad for your account in Windows 11. Starting with Windows 11 build 26100.9550 (24H2), build 26200.9550 (25H2), and build 26300.9550 (26H2), Microsoft is adding new gesturing-related functionality to...

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    Turn On or Off Automatic Scrolling at Edge on Touchpad in Windows 11

    This tutorial will show you how to turn on or off automatic scrolling at edge on the touchpad for your account in Windows 11. Starting with Windows 11 build 26100.9550 (24H2), build 26200.9550 (25H2), and build 26300.9550 (26H2), Microsoft is adding new gesturing-related functionality to...

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• [Copilot key] New! This update introduces a new Windows 11 setting that lets you remap the Copilot key to function as the Right Ctrl or Context Menu key, helping preserve familiar keyboard shortcuts and accessibility workflows. For more information, see Understand updates to the Copilot key on Windows devices.
  
  
  

  Customize what Copilot Key on Keyboard or Win+C Opens in Windows 11

  This tutorial will show you how to change (remap) the action or which app opens when you press the hardware Copilot key or Windows :win: + C keys for your account or all users in Windows 11. If you have a Windows 11 Copilot+ PC, it will have a Copilot key on the keyboard. When you press this...

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• [Camera Roll] New! This update introduces Camera Roll Backup in Settings, helping eligible users protect their photos with OneDrive. You can turn on the feature from the Settings Home or Accounts page and complete setup on your mobile phone using a QR code.1
• [Fonts]
  • New! This update adds support for the Garay and Beria Erfe scripts to the Ebrima font, the first Microsoft font to support both. Garay was encoded in Unicode 16.0 and Beria Erfe in Unicode 17.0.
  • New! This update also refines the Adlam glyph designs in Ebrima to align with the current Unicode standard and improve consistency.
• [Power and battery] This update improves display and performance in certain scenarios where a plugged-in laptop incorrectly detects a transition from AC power to battery power.
• [Windows Recovery Environment (WinRE)]
  • New! This update enables WinRE to automatically reuse eligible Wi-Fi profiles already saved in Windows, including supported certificate-based networks. Devices can now get online automatically during recovery scenarios such as quick machine recovery or cloud rebuild, without preconfiguring Wi-Fi credentials in WinRE. This capability is on by default, and IT admins can disable it. For more information, see Windows Recovery Environment (Windows RE).
  • New! This update adds a recovery remote management plug-in for extending WinRE management capabilities for mobile device management (MDM) providers. For more information, see Recovery Remote Management Overview.
• [Kiosk mode]
  • The Windows key + Tab keyboard shortcut is now disabled when using a restricted user experience kiosk.
  • The Windows key + A and Windows key + C keyboard shortcuts are now disabled when using single-app kiosk mode.

1 Feature availability depends on your device and market.

Normal rollout​

This section includes improvements and fixes available through normal rollout.

• [Remote Desktop] This update addresses an issue that prevented non-admin users from establishing Remote Desktop connections to remote devices with Administrator protection enabled. Affected connections might have failed with error 0xC000000D and displayed the message, "The token that was passed to the function is invalid."
• [Date and time] This update introduces the new (UTC-05:00) Manitoba time zone to support Manitoba's November 1, 2026, time zone change.
• [BitLocker] This update improves BitLocker pre-boot PIN retry handling to prevent unintended repeated submissions from causing TPM dictionary-attack lockout and recovery.

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