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Windows 11 Windows 11 Insider 24H2 Insider Preview, Release Preview Channel
Windows Insider

Build 26100.863

Build 26100.863: Windows Insider Release Preview Channel, June 2024. HDR backgrounds, taskbar Copilot, and archive support

In short

Build 26100.863 resumes the gradual Release Preview rollout of Windows 11 version 24H2, with new Windows features, archive options, and a Copilot app experience.

Does it affect you? Applies to: Windows Insiders in the Release Preview Channel whose PCs meet the Windows 11 hardware requirements. Commercial organizations can also validate the update through Windows Update for Business or WSUS.

Build
26100.863

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

New features 6 changes

HDR background support

Gradual rollout

For: Release Preview Insiders

  • Version 24H2 adds support for HDR backgrounds.1

Energy saver

Gradual rollout

For: Release Preview Insiders

  • Version 24H2 adds energy saver.1

Sudo for Windows

Gradual rollout

For: Release Preview Insiders

  • Version 24H2 adds Sudo for Windows.1

Windows kernel

Gradual rollout

For: Release Preview Insiders

  • Version 24H2 adds Rust in the Windows kernel.1

Wi-Fi 7

Gradual rollout

For: Release Preview Insiders

  • Version 24H2 adds support for Wi-Fi 7.1

Voice clarity

Gradual rollout

For: Release Preview Insiders

  • Version 24H2 adds voice clarity.1

Improvements 4 changes

Quick settings

Gradual rollout

For: Release Preview Insiders

  • You can scroll through the quick settings flyout from the taskbar.2

File Explorer

Gradual rollout

For: Release Preview Insiders

  • You can create 7-zip and TAR archives in File Explorer, in addition to ZIP archives.2

Bluetooth Low Energy Audio

Gradual rollout

For: Release Preview Insiders

  • Connecting Bluetooth Low Energy Audio devices is improved.2

Copilot

Gradual rollout

For: Insiders receiving the Copilot app rollout

  • Copilot becomes an app pinned to the taskbar. You can resize, move, and snap its window.3

Removals 2 changes

Copilot keyboard shortcut

Gradual rollout

For: Windows users with Copilot

  • The WIN + C keyboard shortcut is retired. On devices without a Copilot key, you can open Copilot with WIN + the number matching its taskbar position.4

Cortana, Tips, and WordPad

Gradual rollout
  • Cortana, Tips, and WordPad are removed after upgrading to version 24H2.5

Fix 1 change

Pcasvc.dll error dialog

  • The error dialog that says “Missing entry: PcaWallpaperAppDetect” has been fixed.6

Technical details

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

Data sheet

Released
2024-06-15
Type
Windows Insider build
VersionBuildChannel
24H2 26100.863 Release Preview Channel

Security

No vulnerabilities are listed for this update.

Sources

Updated
Cited passages from Microsoft's official notes (6)
  1. 1. Windows 11, version 24H2* includes a range of new features such as the HDR background support, energy saver, Sudo for Windows, Rust in the Windows kernel, support for Wi-Fi 7, voice clarity and more. blogs.windows.com
  2. 2. For example, we are introducing a scrollable view of the quick settings flyout from the taskbar, the ability to create 7-zip and TAR archives in File Explorer (in addition to ZIP), and improvements for connecting Bluetooth® Low Energy Audio devices. blogs.windows.com
  3. 3. As part of this update, we’re also evolving the Copilot experience on Windows as an app that will be pinned to the taskbar. blogs.windows.com
  4. 4. As part of the Copilot experience’s evolution on Windows to become an app that is pinned to the taskbar, we are retiring the WIN + C keyboard shortcut. blogs.windows.com
  5. 5. Please note that Cortana, Tips, and WordPad are removed after upgrading to Windows 11, version 24H2. blogs.windows.com
  6. 6. The below known issue where an Pcasvc.dll error dialog pop-up with the message “Missing entry: PcaWallpaperAppDetect” was appearing has been fixed. blogs.windows.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 5/5, clarity 4/5, completeness 4/5. 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