Windows 11 Build 26100.4188 (Release Preview) comes with a huge number of improvements

Microsoft has released Windows 11, version 24H2, Build  26100.4188 via KB5058499 to Windows Insiders in the Release Preview ring. Notable updates include the expansion of Click to Do’s intelligent text actions to AMD and Intel-powered Copilot+ devices, allowing users to summarize, rewrite, or formalize text with ease. The build also enhances Copilot integration, enabling voice interactions and quick access via customizable keyboard shortcuts. Additionally, cross-device functionality now allows users to resume work on OneDrive files started on mobile devices, while energy-saving features can be managed via Microsoft Intune for better power efficiency.

What's new in Windows 11 Build 26100.4188 (Release Preview)

Gradual roll-out

Click to Do (Preview)

• • Intelligent text actions in Click to Do are now available on Copilot+ devices with AMD and Intel processors. Use WIN + <mouse click> or WIN + Q to select a text block, then highlight the text you want. You will then see options to write a summary of the text, create bulleted text, or help you rewrite, for example to make the text more formal.
  • Ask Copilot is a new Click to Do action that will be available when you select text or an image. The action will open Microsoft Copilot with the selected content in the input field, where you can complete your request.
  • If your PC supports pen and ink, you can set the shortcut button to open Click to Do when you tap, double-tap, or hold the button. You can control this setting in Settings > Bluetooth & devices > Pen & Windows Ink.
  • Click to Do can now be added as one of four apps that you can launch from the Windows Ink menu on the taskbar. If all the slots are occupied, you'll have to replace one of them to accommodate Click to Do.
  • Click to Do can now perform intelligent actions on text in Spanish and French.

Copilot

• • You can now open Copilot for Windows using the Win + C keyboard shortcut. You can change the assigned key and behavior of the Win + C combination at any time using the existing "Customize the Copilot key on your keyboard" option under Settings > Personalization > Typing . Enterprise customers can check out the information on the official website.
  • To start a conversation with Copilot for Windows, hold down the Copilot key or the Win + C key combination for two seconds. Press Esc or remain silent for a few seconds to end the conversation with the assistant. You can also use Alt + <Space> to talk to Copilot in Windows. This feature allows you to interact with Copilot using your voice to get instant answers while you perform your tasks.

Cross Device Summary

• • Now you can quickly resume work on OneDrive files you started on your mobile device (Android and iOS) on your Windows 11 PC. The feature will send you a notification asking you to continue editing a file in OneDrive, such as a Word document you were viewing or editing on your phone within 5 minutes before you unlocked your PC.

Energy saving

• • We’ve added the ability to manage the Windows 11 power saving feature via Microsoft Intune. This will allow IT administrators to control battery saving settings on Windows 11 PCs using Group Policy and Mobile Device Management (MDM) configurations. The feature limits background activity and reduces screen brightness, ensuring that devices use less power while maintaining optimal performance.
    You can find the policy under Computer Configuration > Administrative Templates > System > Power Management > Power Saver Settings > Keep power saving mode on at all times .

Graphics

• • On PCs with Dolby Vision displays, we've added an option to toggle Dolby Vision mode independently of HDR. Now you can use HDR with Dolby Vision on or off, depending on your preference.

Narrator

• • Narrator can now use the artificial intelligence power of Copilot+ on your PC to provide detailed descriptions of images, charts, and graphs. To use the feature, press <Narrator key> + Ctrl + D, and Narrator will read out a contextual description of the image, describing the people, objects, colors, text, and numbers in the image.

Improved Windows Search

• • On devices labeled PC Copilot+, we've started rolling out a feature that lets you search for settings in the taskbar search box without having to remember the exact name of the option. For example, you can use your own wording to search for options like "change my theme" or "about my PC."
  • In the European Economic Area (EEA), devices with the Copilot+ PC label now have easier ways to search for photos in your cloud storage. You can use natural language queries in the search bar in the top right corner of File Explorer to find photos in your cloud by describing their content, such as "European castles" or "summer picnics".
    In addition, photos from the cloud will now appear in search results along with images saved on your local computer. The results will also show exact matches for your keywords in the text of your cloud files.

Search on the taskbar

• • Web search has been updated for users in the European Economic Area (EEA) to better support third-party search engines. Finding your search engine setting is now easier.

Settings

• • Microsoft makes it easy to find answers to common PC questions with a dedicated Frequently Asked Questions section in Settings > System > About. It provides helpful information about system configuration, performance, compatibility, and more.
  • The dialog box for renaming printers in Settings > Bluetooth & devices > Printers & scanners now matches the Windows 11 design.
  • Microsoft continues to move mouse-related settings from the classic Control Panel to the Settings app. You can find the settings in the Ease of Access > Mouse and  Ease of Access > Mouse pointer & touch sections. In particular, the developers have moved the mouse pointer settings, mouse pointer trail, and other mouse and cursor behavior options. In addition, it became possible to configure the time for activating a window when you hover over it with the mouse cursor, if you have the hover activation feature enabled. And finally, the icon used for the Mouse pointer speed setting in Bluetooth & devices > Mouse has been updated, and an icon has been added for the Enhanced pointer precision setting.

Taskbar

• Administrators can now allow users to unpin specific pinned apps , ensuring that they are not pinned again during the next policy refresh cycle. The PinGeneration option is used to configure this. Details can be found here.
• Fixed an issue where when using Tab and Shift+Tab to move keyboard focus around the taskbar, if you navigated back at least once, keyboard focus could get stuck on the taskbar border, causing screen readers to simply say the word "pane".

• • Fixed an issue where keyboard focus would be set to the taskbar widget button when signing in, which could result in widgets launching unexpectedly.

Voice Access

• • Voice Access now includes a guide to inform you about new features and improvements. You can open or close it at any time from the settings menu.
  • You can now find the Voice Access feature in the quick actions menu under Accessibility in the system tray area. To open the quick actions menu, click on the network, volume, or battery icon.
  • Fixed an issue where Voice Access could get stuck saying "working on it" when dictating text.

Voice input

• • Added the ability to manage the profanity filter for voice text input. If the setting is enabled, the Voice Input function will continue to filter profanity, replacing it with asterisks. If the setting is disabled, profanity will be entered into the text field like any other words.To change the setting, launch the Voice Typing feature using the Win + H combination, go to Settings and change the position of the Filter profanity switch.

Share

• • The Share window now lets you quickly edit and enhance images before sending them. Editing features such as cropping, rotating, and applying filters are supported.
  • When you start dragging a local file with your mouse or touchscreen from File Explorer or the desktop, a special area will appear at the top of the screen with a list of applications to which you can send the file. If you select the More (…) option, the familiar Share dialog box will open.
  • You can now add apps that support the Share feature directly to the context menu for local files in File Explorer or on the desktop.

Audio

• • Fixed an issue where the system startup sound might not play even though it was enabled.

MMC

• • Improved the colors used in the MMC (Management Console) when selecting items, both in normal mode and when high contrast modes are enabled.

USB

• • Fixed an issue where some USB devices could disconnect after waking up from sleep mode. The issue was resolved by rebooting the PC.

Input

• • Fixed an issue where voice typing would not launch from the touch keyboard when using the narrow Chinese (Simplified) layout.
  • Fixed an issue where, when using the Symbols section of the touch keyboard, pressing the page change button could result in a symbol being inserted into password fields.
  • Fixed an issue where text input would stop working in some applications after disconnecting from a remote desktop session.

JPG

• • Fixed an issue where some pixels could sometimes be inverted when using the CopyPixels function.

Bluetooth

• • Fixed an issue where Settings might crash when loading information about Bluetooth devices.

Display

• • Fixed an issue that could cause window scaling and positioning to change unexpectedly after waking from sleep on some devices.

Print

• • Fixed an issue where non-administrator users were unable to delete printers they had added themselves.

Windows Hello

• • Addresses an issue where, when using the Windows Hello for Business facial recognition feature, the camera might unexpectedly turn off after waking from sleep, blocking sign-in using this method.

Camera

• • Fixed an issue where Settings could crash when interacting with content under Settings > Bluetooth & devices > Cameras.

File Explorer

• • Fixed an issue where if you had disconnected network drives, searching from the Home page might fail and you would remain on the Home page.

UHF Tuning

• • Fixed an issue where scanning for UHF channel settings did not work and only VHF channels were displayed.

Available to all users

BitLocker

• • Fixed an issue where devices with BitLocker enabled on removable drives might encounter a blue screen of death (BSOD) after resuming from sleep or hybrid boot.

System loading screen

• • Made some changes to improve the speed of displaying the early boot UI, including the BitLocker PIN entry screens, BitLocker recovery key, and boot menu.

Graphics core

• • Fixed an issue where some games would become unresponsive after updating to Windows 11 version 24H2.

Memory leak

• • Fixed an issue in the Input Service that caused increased memory usage, potentially impacting performance in multi-user, multi-language, and remote desktop environments.

Multimedia

• • Fixed an issue where, when you enable multi-app or basic camera mode in the advanced camera settings, Windows Hello facial recognition might not work and display an incorrect camera image.

Net

• • Fixed an issue where Windows Server 2025 always showed the network as "Public" on new domain controllers. We now check the domain controller name before using loopback addresses to ensure correct Lightweight Directory Access Protocol (LDAP) binding.

Source

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