Windows 11 gets more AI stuff, new shortcuts, HDR improvements, and more in build 26100.4188

Right after dropping a massive portion of announcements at the Build 2025 developer conference, Microsoft released a new Windows 11 Release Preview build 26100.4188 (KB5058499). It previews what is coming soon as an optional non-security update for all Windows 11 users.

Build 26100.4188 packs quite a lot of new stuff. Microsoft is now rolling out more Click to Do features to Copilot+ PC users with Intel and AMD-powered processors. You can now use Win + Q to select a portion of text and then pick actions like Summarize, Create a bulleted list, or Rewrite. You can also highlight a text or image and ask Copilot something about it. Plus, Click to Do now supports text actions in Spanish and French.

Other Copilot additions include the ability to invoke Copilot with the Win + C shortcut and pick what happens when you press it or the Copilot key. Also, Release Preview users can now try Press to Talk by holding the Copilot / Win + C keys. Finally, you can now type a setting you want to change into the search bar in the Settings app using natural voice, like "change my theme" or "about my PC" with no need to remember the exact setting name.

For non-Copilot+ PC users, Microsoft is rolling out improved HDR settings and the ability to stream HDR even if HDR is turned off. Plus, you can toggle Dolby Vision independently of HDR. More mouse settings made their way from the Control Panel to the Settings app, and Voice Typing now lets you turn on or off the profanity filter. Speaking of Settings, there is a new FAQ section with answers on common hardware and performance questions.

Finally, the Windows Share UI now has a built-in image editor, and you can share a local file from File Explorer with a new tray that appears at the top of the screen when you drag a file.

Fixes in build 26100.4188 include the following:

• [Audio] Fixed: The startup sound may not play on boot, although it is enabled.
• [MMC] Fixed: Improved the colors used in MMC when items are selected, both generally, and when contrast modes are enabled.
• [USB] Fixed: Certain USB devices may become disconnected after sleep, until you reboot your PC.
• [Input]
  • Fixed: Voice typing won’t start from the touch keyboard when using the Chinese (Simplified) narrow layout.
  • Fixed: When using the Symbols section of the touch keyboard, pressing the key to change pages may unexpectedly insert a character into password fields.
  • Fixed: Typing in some apps may stop working after disconnecting from a remote desktop session.
• [JPG] Fixed: When using CopyPixels the pixels may be unexpectedly inverted in certain cases.
• [Bluetooth] Fixed: Settings may crash when loading information about Bluetooth devices.
• [Display] Fixed: Unexpected scaling and window position changes may occur after sleep/resume for some devices.
• [Print] Fixed: Non-admin users can’t uninstall printers that they’ve added.
• [Windows Hello] Fixed: When using Windows Hello for Business facial recognition, the camera may unexpectedly fail after waking the PC from sleep, blocking login using this method.
• [Camera] Fixed: Settings may crash when interacting with content under Settings > Bluetooth & Devices > Cameras.
• [File Explorer] Fixed: If you have disconnected network drives when doing a search from Home it may prevent searches from executing and you remain on Home.
• [UHF Tuning] Fixed: Tuning scan for UHF channels doesn’t work, and only VHF channels are returned.

Note that everything above is rolling out gradually to Windows Insiders, so the system might take some time to receive all the changes. Here is what is available right here and right now:

• [BitLocker] Fixed: This update addresses an issue where devices with BitLocker on removable drives could encounter a blue screen error after resuming from sleep or hybrid-booting.
• [Boot menu screens] Fixed: This update addresses the issue where early boot screens, such as BitLocker PIN, BitLocker Recovery key, and boot menu screens, render slowly.
• [Graphics kernel] Fixed: An issue where some game titles become unresponsive after upgrading to Windows 11, version 24H2.
• [Memory leak] Fixed: This update addresses an issue in the Input Service that causes increased memory usage, potentially impacting performance in multi-user, multi-lingual, and remote desktop usage.
• [Multimedia] Fixed: If you turn on multi-app mode or basic camera mode in advanced camera settings, the Windows Hello Face Enrollment might not work and show a bad camera preview.
• [Network] Fixed: This update addresses an issue where Windows Server 2025 always shows the network as “public” on new domain controllers. It now checks for a domain controller name before using loopback addresses to ensure proper Lightweight Directory Access Protocol (LDAP) binding.

You can find the official announcement with the complete changelog here.

Source

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