Windows 11 April 2023 Non-Security Preview Build 22621.1635 Released


Colorful Windows 11 logo and dark background image

Microsoft has released the non-security preview version of the April 2023 Windows 11 22H2 update, with build number 22621.1635 (KB5025305). This preview version of the update has several new features along with many improvements.

Here is the change log:


  • new! This update adds animations to some of the icons on the widgets taskbar buttons. These animations turn on when:

    • A new notification appears on the Widgets taskbar button.
    • You hover over or click the Widgets taskbar button.
  • new! It adds a new toggle control on update. Settings > Windows Update Page When you turn it on, we’ll prioritize your device to receive the latest non-security updates and enhancements when they become available for your device. For managed devices, the toggle is disabled by default. For more information, see Get Windows updates as soon as they are available for your device.
  • This update fixes an issue that affects Microsoft Edge IE mode. Pop-up windows open in the background instead of the foreground.
  • This update fixes an issue affecting the Chinese input method. You may not see all of the previously suggested items.


This non-security update includes quality improvements. When you install this KB:

  • new! This update changes the firewall settings. You can now configure application group roles.
  • This update affects the Islamic Republic of Iran. The update supports the government’s Daylight Savings Time change order from 2022.
  • This update fixes an issue that affects the execution of the Local Security Authority Subsystem Service (LSASS). It may stop responding. This causes the machine to restart. The error is 0xc0000005 (STATUS_ACCESS_VIOLATION).
  • This update fixes an issue that affects Microsoft Edge IE mode. The tab window manager stops responding.
  • This update fixes an issue that affects protected content. When you minimize a window that contains content, content appears when it shouldn’t. This happens when you are using Taskbar Thumbnail Live Preview.
  • This update fixes an issue that affects Mobile Device Management (MDM) users. The problem prevents you from printing. This is caused by an exception.
  • This update changes app icons for certain mobile providers.
  • This update fixes an issue that affects signed Windows Defender Application Control (WDAC) policies. They do not apply to secure kernels. This happens when you enable Secure Boot.
  • This update fixes an issue that causes the task view to display in the wrong area. This happens when you close a full screen game by pressing Win+Tab.
  • This update fixes an issue that occurs when you use a PIN to sign in to Windows Hello for Business. Signing into Remote Desktop Services may fail. The error message is, “The application is not supported”.
  • This update fixes an issue that affects administrator account lockout policies. The resulting set of GPArsult and Policy did not report them.
  • This update fixes an issue that affects the Unified Write Filter (UWF). When you turn it off using a call to Windows Management Instrumentation (WMI), your device may stop responding.
  • This update fixes an issue that affects the Resilient File System (ReFS). A stop error occurs that prevents the OS from starting properly.
  • This update fixes an issue that affects MySQL commands. Commands fail on Windows Xenon containers.
  • This update fixes an issue that affects SMB Direct. Endpoints may not be available on systems using multibyte character sets.
  • This update fixes an issue that affects apps that use DirectX on older Intel graphics drivers. You may receive an error from apphelp.dll.

If you have previously installed updates, only the new updates included in this package will be downloaded and installed on your device.

Windows 11 Servicing Stack Update – 22621.1626

This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing Stack Updates (SSU) ensures that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft updates.


Using provisioning packages on Windows 11, version 22H2 (also known as the Windows 11 2022 Update) may not work as expected. Windows can only be partially configured, and An out-of-the-box experience May not finish or restart unexpectedly. Provisioning packages are PPKG files used to help configure new devices for use on business or school networks. Provisioning packages applicable during this period. Initial structure Most likely to be affected by this issue. For more information on delivering packages, please see Providing packages for Windows.

Note Provisioning using Windows devices. Windows Autopilot Not affected by this problem.

Windows devices used by consumers at home or in small offices are unlikely to be affected by this issue.


If you can provision the Windows device before upgrading to Windows 11, version 22H2, this will prevent the problem.

We are currently investigating and will provide an update in an upcoming release.


Copying large multi-gigabyte (GB) files may take longer than expected to complete on Windows 11, version 22H2. You are most likely to experience this problem copying files from a network share via Server Message Block (SMB) in Windows 11, version 22H2, but local file copy can also be affected. Windows devices are unlikely to be used in consumer homes or small offices. To be affected by this problem.


To mitigate this problem, you can use file copy tools that do not use a cache manager (buffered I/O). This can be done using the built-in command line tools listed below.

robocopy \\someserver\someshare c:\somefolder somefile.img /J


xcopy \\someserver\someshare c:\somefolder /J

We are working on a resolution and will provide an update in an upcoming release.

You can check. Full changelog here.


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