Announcing Windows 11 Insider Preview Build 22621.891 and 22623.891 (Beta Channel) » Community

Announcing Windows 11 Insider Preview Build 22621.891 and 22623.891 (Beta Channel)

Good evening friends! Microsoft has released new preview builds of Windows 11 (version 22H2) numbered 22621.891and 22623.891(KB5020040) for members of the Windows Insider Beta Program.

  • Assembly 22623.891 – testing of new functions is available.
  • Assembly 22621.891 – new features are disabled by default.

Reminder. Insiders who were previously on Build 22622 will be automatically upgraded to Build 22623 via the Service Pack. This package artificially increments the build number to make it easier for Microsoft engineers to distinguish between enabled and disabled devices by default.

If you are in a group with features disabled by default (build, then check for updates and agree to install an optional update that will make these features available (build

Full build numbers:

  • 10.0.22621.891.ni_release_svc_prod2.221031-0948
  • 10.0.22623.891.ni_release_svc_prod2.221031-0948

Innovations in assembly 22623.891

Task Manager improvements

Search for processes. You can now find the required process by entering its name, PID, or publisher name in the search box in the title bar of the Task Manager window. The algorithm will match the keyword with all possible matches and then display them on the current page. The filter is saved even when switching between sections. You can press ALT + F to set the focus to the search field. This feature is useful if you want to highlight a process or group of processes to take action on or simply monitor performance.

Improved theme support. Now you can choose a theme in the “Task Manager” settings, regardless of the active theme in Windows.

Also, the selected theme is now applied to all task manager dialogs, with the exception of “Start a new task” and “Properties”.

Improved the Efficiency Mode dialog box. Microsoft has made it easier to enable efficiency mode, and also added the ability to opt out of confirming an action in a separate dialog box. To do this, you can check the “Do not ask again” box in the dialog box or use the corresponding option in the “Task Manager” settings.

Changes and improvements in build 22623.891

  • Input:
    • Improved emoji search for Japanese and Simplified Chinese. The emoji panel now properly handles Kana/Kanji and Pinyin languages.

Fixes in build 22623.891

  • Taskbar and system tray:
    • When using the gesture in the lower right corner to open the quick actions menu, the taskbar should no longer remain in an expanded state.
    • We fixed an issue that caused the Do Not Disturb icon to disappear in Do Not Disturb mode.
    • The animation of the new “Show Hidden Icons” popup should now match other popups on the taskbar.
    • The background color of the “Show Hidden Icons” popup should now match the accent color if the “Show color of items in Start menu and taskbar” option is enabled in Settings -> Personalization > Colors.
    • Fixed multiple explorer.exe crashes affecting taskbar performance.

Fixes in both builds

  • [New] You can now back up your settings and save it to your Microsoft account. You can also sync these settings from any Windows device to Microsoft Office.
  • We fixed an issue that prevented File Explorer from translating folders into the local language.
  • An issue affecting the CopyFile function has been fixed. Sometimes it returned error 317: ERROR_MR_MID_NOT_FOUND.
  • Fixed an issue affecting process creation. It caused the system to fail to generate security audits and other related events for the process.
  • We fixed an issue resulting in landscape mode printing not working correctly in Microsoft Edge. This issue only occurred when using Microsoft Defender Application Guard.
  • We fixed an issue that affected Microsoft Defender if it wasn’t the premier antivirus. This issue prevented Microsoft Defender from disabling passive mode. The problem occurred when Smart App Control (SAC) was disabled.
  • Added .wcx to the list of dangerous extensions that are not allowed by some application control policies.
  • We fixed an issue that affected computer user accounts. The use of non-standard characters may have caused account cleanup to stop during the initial system setup (OOBE) phase.
  • We fixed an issue that affected the Windows Defender Firewall service. It did not run when the “Override blocking rules” option was enabled.
  • We fixed an issue that could affect applications running under the Windows Lock Down Policy (WLDP). Because of this problem, they might not work.

Known Issues

  • General:
    • We are investigating reports that audio playback has stopped working for some Insiders after updating to the latest builds on the Beta channel.
  • Taskbar optimized for tablets:
    • The taskbar may flicker when switching between desktop mode and tablet mode.
    • Switching the taskbar to the touch version is taking longer than expected. This will be noticeable when switching between desktop mode and tablet mode.
    • When opening the Quick Actions menu with a gesture in the lower right corner of the screen, the taskbar may not collapse and remain in the expanded state.
  • Task Manager:
    • [New] Search by publisher name on the Processes page does not work correctly.
    • [New] Some services may not appear on the Services page after applying a filter.
    • [New] If a new process is launched during filter installation, it may appear in the filtered list for a fraction of a second.
    • [New] The Delete key does not work in the search field and tooltips do not appear.
    • [New] Some dialog boxes may use the wrong theme if the theme is set in the Task Manager preferences.
    • [New] The content area on the Processes page may flash once when changing the theme in the Task Manager settings.
    • [New] We are investigating an issue where Task Manager does not properly display light and dark content, resulting in unreadable text. This happens if the “Custom” mode is selected in the “Options” -> “Personalization” -> “Colors” section. As a workaround, choose a light or dark theme.

I wish you a successful update!

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