Windows 11 Build 22621.1926 KB5027303 Preview Version is available to download

New LCU preview KB5027303 Windows 11 Build 22621.1926 changes, bug fixes, improvements, and the ways to download and install.

KB5027303 Windows 11 Build 22621.1926

RP channel received a build with a massive number of new improvements and bug fixes on 20/06/2023. These include seamless authentication across all Microsoft Clouds, in-app voice access command, VPN status icon, seconds in the clock on the system tray, File Explorer’s context menu, and a lot more. KB5027303 is the Preview cumulative update that increases the version to  Windows 11 Build 22621.1926.

Full name of this update is 2023-06 Preview Cumulative Update for Windows 11 Version 22H2 for x64-based Systems (KB5027303) which is also available for ARM64 devices. See: Windows 11 KB5027292 delivered to the Release Preview Channel. Let’s look at what is new in this release:

KB5027303 Windows 11 Build 22621.1926 changes, and improvements

Here is the changelog:

New Improvements

  • KB5027303 LCU enhances multiple simplified Chinese fonts and the Microsoft Pinyin IME or Input Method Editor to support GB18030-2022. You can enter and portray characters from conformance level 1 or 2 using the additions to Microsoft Yahei, Simsun, and Dengxian. The latest update includes full support for Unicode Extensions E and F within the Simsun Ext-B font, fulfilling the requirements for level 3.
  • Windows 11 Build 22621.1926 RP Channel raises the roll out of notification badging for Microsoft accounts on the Start menu. A Microsoft account is what connects Windows to the built-in apps, backup all your data, moreover, helps you to manage your subscriptions. In addition, you have the option to enhance your account’s security measures to prevent potential lockouts. This feature ensures swift access to critical account-related notifications.
  • This update enhances the process of sharing a local file in File Explorer with your Microsoft Outlook contacts. You now have the convenience of swiftly emailing the file to yourself. Moreover, the loading of contacts from Outlook has been improved. However, please note that this functionality is not applicable to files stored in Microsoft OneDrive folders, as OneDrive offers its own sharing capabilities.
  • The latest update introduces numerous new features and enhancements to Microsoft Defender for Endpoint.
  • Introducing the latest update, enabling seamless authentication across all Microsoft Clouds. This enhanced feature ensures hassle-free access while meeting the requirements of Conditional Access checks, if applicable.
  • This update introduces real-time captions for the below languages:
    • Chinese (Simplified and Traditional)
    • French (France, Canada)
    • German
    • Italian
    • Japanese
    • Portuguese (Brazil, Portugal)
    • Spanish
    • Danish
    • English (Ireland, other English dialects)
    • Korean

To enable live captions, utilize the keyboard shortcut WIN + Ctrl + L. Alternatively, you can access the Quick Settings accessibility flyout menu. Upon enabling it for the first time, Windows will prompt you to download the essential speech recognition support. Please note that speech recognition support may not be available in your desired language or for other languages you require. You can download speech recognition support by navigating to Settings => Time & Language => Language & region.

  • In this update, the in-app voice access command help page undergoes a complete redesign. Each command now includes a description and examples of its various variations. The addition of a search bar enables swift command discovery. Furthermore, the introduction of new categories provides enhanced guidance for users. To access the command help page, simply navigate to Help > View all commands on the voice access bar or use the voice access command “what can I say?”. Please note that the help page may not encompass all commands and the supplementary information provided might be inaccurate. We have plans to update this information in the future for improved accuracy. For a list of all Voice Access commands, see Use voice access to control your PC & author text with your voice.
  • In this update, voice access command support has been expanded to include the following English dialects:
    • English (United Kingdom)
    • English (India)
    • English (New Zealand)
    • English (Canada)
    • English (Australia)

Upon enabling voice access for the first time, Windows will prompt you to download a speech model. It’s possible that you may not find a speech model that corresponds to your display language. However, you can still utilize voice access in English (US). If desired, you can always select a different language by accessing Settings => Language on the voice access bar.

  • New! This update adds new text selection and editing voice access commands. Some examples are in the table.
To do this Say this
Select a range of text in the text box “Select from [text 1] to [text 2]”, e.g., “Select from have to voice access”
Delete all the text in a text box “Delete all”
Apply bold, underline, or italic formatting for the selected text or the last dictated text “Bold that,” “Underline that,” “Italicize that”
  • With this update, a new VPN status icon in the form of a small shield is introduced to the system tray. This icon serves to indicate your connection status to a recognized VPN profile. When you are connected to a VPN, the VPN icon will overlay your system’s accent color over the active network connection, providing a visual representation of your VPN connection.
  • Now you have the option to display seconds in the clock on the system tray. To enable this feature, navigate to the Taskbar behaviors section within Settings => Personalization => Taskbar. Alternatively, you can quickly access taskbar settings by right-clicking on the taskbar.
  • With this update, a convenient copy button is now available for quickly copying two-factor authentication (2FA) codes. You can find these codes in the notification toasts you receive from applications installed on your machine or from phones connected to your PC. Please note that this feature is currently only supported for English language notifications.
  • In this update, access key shortcuts have been introduced to File Explorer’s context menu. An access key is a single keystroke shortcut that allows you to quickly execute a command within a context menu using your keyboard. Each and every access key corresponds to a letter in the display name of the menu item. To experience this feature, simply select a file in File Explorer and press the menu key on your keyboard.
  • Introducing a new enhancement: the multi-app kiosk mode, designed to provide a comprehensive lockdown feature. As an administrator, you now have the ability to specify the specific applications that can be run on a device, while preventing the execution of other apps. Additionally, you can block certain functionalities to further tailor the user experience. With this update, you can configure distinct types of access and determine which apps are available for different users sharing a single device. This feature is particularly useful in scenarios where multiple individuals utilize the same device, such as frontline workers, retail environments, educational settings, and test-taking situations.
    • This update introduces an enhanced access control feature that allows you to restrict access to the device settings while granting permission to specific settings pages, such as Wi-Fi and screen brightness.
    • Display only the apps that are permitted on the Start menu.
    • Furthermore, it blocks specific toasts and pop-up windows.

Presently, the activation of the multi-app kiosk mode involves utilizing PowerShell and the WMI Bridge.

  • KB5027303 LCU introduces live kernel memory dump aka LKD collection from Task Manager. Through LKD, you are able to accumulate data to troubleshoot an issue while the OS continues to work. This enhancement significantly reduces downtime when dealing with scenarios involving an unresponsive program or high-impact failures that require investigation. To understand more, see Task Manager live memory dump.

To capture a live kernel memory dump (LKD), follow these steps:

  • Launch Task Manager (Ctrl+Shift+Esc) and navigate to the Details tab.
  • Right-click on the System process.
  • From the contextual menu, choose Create live kernel memory dump file.

By executing these steps, you will capture either a Full live kernel or Kernel stack memory dump. The resulting dump file will be saved to the following fixed location: “%LocalAppData%\Microsoft\Windows\TaskManager\LiveKernelDumps.

Furthermore, you have the option to access the Task Manager Settings page, which grants you the ability to view and adjust the settings associated with live kernel memory dumps. This feature empowers you to customize the behavior and configuration of LKD captures based on your specific needs and preferences. By accessing the Task Manager Settings, you can fine-tune the LKD capture settings to align with your unique requirements, ensuring an optimal troubleshooting experience.

In this update, the settings for displaying the touch keyboard when no physical keyboard is attached have been revamped. You can find these settings by navigating to “Settings” > “Time & language” > “Typing” > “Touch keyboard”.

With the latest changes, a new dropdown menu has been introduced, offering three distinct options to control the behavior when tapping an edit control. The available options are as follows:

  • Never: This option fully suppresses the touch keyboard from appearing, even if no hardware keyboard is connected to the device.
  • When no keyboard is attached: This setting will only display the OSK when you use the device as a tablet without the presence of a physical keyboard.
  • Always: By selecting this option, the touch keyboard will be shown even when a hardware keyboard is connected to the device.

This update introduces new settings that offer enhanced flexibility and control over the display of the touch keyboard. With these settings, you can now personalize the user experience according to your specific preferences and device usage patterns.

  • In this update, a new feature called Content Adaptive Brightness Control (CABC) is introduced for laptops and 2-in-1 devices. CABC dynamically adjusts the brightness of different areas on the display based on the content being shown. It aims to strike a balance between conserving battery life and delivering an optimal visual experience. To configure this feature, navigate to “Settings” => “System” => “Display” => “Brightness & color.” Within the settings, you’ll find a drop-down menu that offers three options: Off, Always, and On Battery Only. The default setting for battery-powered devices is On Battery Only. However, it’s important to note that CABC availability depends on device manufacturers, so it may not be available on all laptops or 2-in-1 devices.

Introducing a new addition in this update: the USB4 Hubs and Devices Settings page. To access it, navigate to Settings => Bluetooth & devices => USB => USB4 Hubs and Devices. This dedicated page provides valuable information regarding the USB4 capabilities of your system and the peripherals connected to it.

  • The USB4 Hubs and Devices Settings page serves as a useful tool for troubleshooting purposes, especially when seeking assistance from manufacturers or system administrators. It offers the following features:
    • View connected USB4 hubs and devices: The page displays a comprehensive tree view of all the USB4 hubs and devices that are currently connected to your system. This allows you to have an overview of your USB4 setup.
    • Copy details to the clipboard: To facilitate communication and sharing of information, you have the option to copy specific details of the USB4 hubs and devices. This makes it convenient to share the necessary information when seeking support or discussing technical issues.
  • If your system lacks support for USB4 and does not have the Microsoft USB4 Connection Manager, the USB4 Hubs and Devices Settings page will not be visible. However, on systems that do support USB4, you will find the presence of “USB4 Host Router” listed in the Device Manager.
  • Introducing a new feature in this update: the presence sensor privacy setting, located in Settings => Privacy & Security => Presence Sensing. If your device is equipped with compatible presence sensors, you now have the ability to manage app access to those sensors.
  • In this update, significant performance enhancements have been made to the search functionality within the Settings feature.
  • In this update, the default behavior of the print screen (PrtSc) key has been modified. Now, when you press the print screen key, the Snipping Tool will open by default, allowing you to quickly capture and edit screenshots. If you wish to disable this setting and revert to the previous behavior of the print screen key, you can do so by navigating to Settings => Accessibility => Keyboard. From there, you have the option to turn off the default Snipping Tool behavior.
  • KB5027303 provides a new limit of 20 most recent tabs in the Settings => Multitasking section. This limit affects the number of tabs that are displayed when using the “ALT+TAB” keyboard shortcut and the Snap Assist feature.
  • In this update, significant improvements have been made to the cloud suggestion and integrated search suggestion features in the Input Method Editor aka IME, specifically designed to enhance typing efficiency when using popular words in Simplified Chinese. The cloud suggestion feature now incorporates the most appropriate word from Microsoft Bing into the IME candidate window. This ensures that you have quick access to commonly used words and phrases, streamlining the typing process and reducing the need for manual input. Furthermore, the integrated search suggestion feature provides additional suggestions that are similar to what you would see on a Bing search page. These suggestions assist in offering alternative word choices or related terms, enhancing your typing accuracy and productivity. To activate these features, simply select the chevron button located in the upper right corner of the IME candidate window. From there, choose the “Turn on” button to enable the cloud suggestion and integrated search suggestion functionalities
  • KB5027303 offers significant improvements to enhance the performance of your computer when using a high report rate gaming mouse.
  • In this update, significant changes have been made to the handling of virtual memory ranges in kernel-created minidumps with subsequence of a stop error. These updates involve the inclusion of virtual memory ranges in the minidump files. After a stop error happens, the virtual memory ranges are now added to the kernel-created minidumps. These ranges are specifically marked by a KbCallbackTriageDumpData BugCheck Callback Routine, ensuring that the necessary information related to virtual memory is captured and included in the minidump file. By including virtual memory ranges in the minidumps, this update provides valuable data and insights that can aid in the troubleshooting and analysis of stop errors. This enhanced information can help diagnose and resolve issues more effectively, leading to improved system stability and performance.
  • This update affects the reliability of Windows. It improves after you update the OS. These updates signify a refinement in the minidump generation process, ensuring that virtual memory ranges are now appropriately recorded and made available for analysis in the event of a stop error.
  • KB5027303 LCU addresses an issue that affects Microsoft Intune push notifications. The problem stops devices that have smaller than 3.5 GB of RAM from getting them.
  • Windows 11 Build 22621.1926 RP Channel addresses some apps stop working when they try to scan a barcode.
  • The LCU addresses Narrator is unable to retain scan mode when switching between browsers.
  • Windows 11 Build 22621.1926 RP Channel addresses an issue that affects the Narrator. It reads the incorrect state when you cancel the selection of option button.
  • The rollout addresses Teams that do not let change missed calls or messages.
  • This release addresses  OSK does not allow opening after you lock the machine.
  • In this update, a specific issue related to a scheduled monthly task has been resolved. Previously, there was an occurrence where the task would not run on time if the next scheduled instance coincided with the transition to daylight savings time.
  • KB5027303 CU addresses an issue that affects certain applications that use IDBObjectStore. The apps do not function in Microsoft Edge as well asIE mode.
  • In this update, a specific issue affecting all registry settings under the Policies paths has been resolved. Previously, there was a risk of these registry settings being inadvertently deleted when the local temporary user policy file was not renamed during Group Policy processing.
  • In this update, user accounts have been granted the capability to open an elevated Windows Terminal. This new functionality allows users to launch Windows Terminal with elevated privileges, but it is limited to admin accounts that have not previously signed in.
  • KB5027303 solves a specific issue that may impact your computer while playing games. Previously, there was a possibility of encountering Timeout Detection and Recovery (TDR) errors during gaming sessions.
  • In this update, improvements have been made to the Desktop Window Manager (DWM), resulting in enhanced reliability of this component.
  • Windows 11 Build 22621.1926 RP Channel addresses an issue that affects certain apps and because of this video flickering occurs in some instances.
  • Rollout addresses .msi files problem causing a minor update to not be installed when using the EnterpriseDesktopAppManagement configuration service provider (CSP) to distribute the .msi file.
  • KB5027303 CU addressed getting excessive HTTP traffic.
  • This rollout addresses the Spooler service stops working that occurs when printing using a certain workspace.
  • Furthermore, this Cumulative update addresses devices that use the Network Protector for BitLocker. Because, of this, the device will no longer be resumed after it has been suspended.
  • Windows 11 Build 22621.1926 RP Channel addresses tib.sys driver does not load problem. This happens when HyperVisor-protected Code Integrity (HVCI) is turned on.
  • This rollout addresses TextInputHost.exe stops working.
  • KB5027303 CU update addresses File Explorer (explorer.exe) stops working.
  • This update addresses an issue that affects Azure Virtual Desktop and Windows 365 users. You might not see the right location for a Remote Desktop session in your virtual machine or Cloud PC.
  • Furthermore, the update addresses the key “HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders”. You can now set and keep the accurate default permissions for this directory path. Once the permissions are incorrect, Start menu, search, and Azure AD authentication fails.
  • Windows 11 Build 22621.1926 RP Channel addresses File Explorer window unexpectedly appearing in the foreground.
  • This update addresses certain earbuds stop streaming music problems.
  • KB5027303 CU addresses Recommended section of the Start menu because of that right-clicking a local file, it does not behave as expected.
  • This rollout affects Active Directory event ID 1644 processing. This now accepts events of longer than 64 KB. This change truncates Lightweight Directory Access Protocol aka LDAP queries included within event 1644 to 20000 characters by default. You are able to set the 20K value through the registry entry “DEFAULT_DB_EXPENSIVE_SEARCH_FILTER_MAX_LOGGING_LENGTH_IN_CHARS”.
  • Finally, the LCU Preview addresses an issue that affects those who enable the Smart Card is Required for Interactive Logon account option. When RC4 is turned off, you cannot authenticate to Remote Desktop Services (TermService) farms. The error message shown is, An authentication error has occurred. The requested encryption type is not supported by the KDC.

How to download KB5027303 and install the update

  1. Click on Start and type update.
  2. When Settings appear, click on “Check for updates”.
  3. Allow the KB5027303 to download and at last click on Restart now.

KB5027303 Download link –

Source: Windows blog.

Release note

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Topics:  Windows Insider
About Sunita
Love to play with Windows 11 and 10. Suggestion - Going for Registry change or system files edit then remember to take a backup or create a restore point before Starting.