Windows 11 Build 22621.2500 KB5031455 distributed to Release Preview Channel

KB5031455 Windows 11 Build 22621.2500 Release Preview channel changes, fixes, improvements, and the ways to download and install.

KB5031455 Windows 11 Build 22621.2500

RP channel of Windows Insider received a new update with a list of bug fixes and improvements on 12/10/2023. This includes issues with search highlight gleam, memory leak in ctfmon.exe and TextInputHost.exe, touchscreens, Dynamic Lighting, cellular settings, and several more. The release is KB5031455 which brought Windows 11 Build 22621.2500.

Full name of the release is 2023-10 Cumulative Update Preview for Windows 11 Version 22H2 for x64-based systems KB5031455. Let’s look at what is new in this version:

KB5031455 Windows 11 Build 22621.2500 changes, fixes, and improvements

Here is the changelog:

  1. [ADDED 10/23] New! We are beginning to roll out digital handwriting (inking) in some edit boxes for Windows Ink. Also, the recognition technology is more accurate. There are gestures to delete, select, join, and split words. You can also gesture to insert a new line.
  2. [ADDED 10/23] New! System Components currently listed in Settings > Apps > Installed Apps page, have moved to its own page under Settings > System > System Components.
  3. KB5031455 LCU affects the search highlight gleam in the search box. Upon selecting the gleam, a page will now display the daily search highlight. Initially, this feature will be available to a limited audience, with wider availability planned in the subsequent months.
  4. Windows 11 Builds 22621.2500 RP Channel updates the English name of the Republic of Turkey. The new, official name is the Republic of Türkiye.
  5. This update facilitates the transition in Croatia from the Kuna to the Euro as the official currency.
  6. The current release KB5031455 supports daylight saving time or DST changes in Syria. To know more, navigate to Interim guidance for Syria DST changes 2022.
  7. This rollout addresses a problem that affects fontdrvhost.exe. It becomes unresponsive when Compact Font Format version 2 (CFF2) fonts are utilized. See: Windows 11 KB5027292 delivered to the Release Preview Channel
  8. The current version addresses a memory leak in ctfmon.exe.
  9. Furthermore, This release addresses a memory leak in TextInputHost.exe.
  10. This LCU addresses a problem affecting touchscreens, which were not functioning properly when using more than one display.
  11. This version addresses an issue with Dynamic Lighting where the default provider is not applied as expected, particularly when set up using Unattend files.
  12. KB5031455 addresses an issue impacting the Microsoft Store, where it becomes unresponsive when accessed from Windows Mixed Reality.
  13. This update rectifies an issue with cellular settings where the name of the mobile operator is incorrect.
  14. Besides, this update addresses an issue pertaining to the Windows Firewall Profile. In cases where you are connected to a domain-authenticated network, it incorrectly detects it as a public domain.
  15. This update addresses a problem that occurs when utilizing Universal Print to add a printer based on its location. When navigating the tree view structure, the tree nodes do not function as anticipated.
  16. This update addresses a problem in Outlook where it becomes unresponsive when printing to an Internet Printing Protocol (IPP) printer with a slow response time.
  17. KB5031455 addresses an error that occurs when printing with v4 print drivers.
  18. This update ensures that Country and Operator Settings Asset (COSA) profiles are current for specific mobile operators.
  19. This release addresses an issue that blocks external connections. The problem happens when you configure a Kubernetes load-balanced service and enable session affinity.
  20. Windows 11 Builds 22621.2500 RP Channel addresses a Firewall Configuration Service Provider (CSP) issue that prevents a device from syncing.
  21. This release addresses a problem impacting devices with defined Windows Information Protection aka WIP policies and a configured proxy. It addresses a stop error that occurs on devices utilizing Microsoft Defender Application Guard. It’s worth noting that in the past, WIP was referred to as enterprise data protection (EDP).
  22. This version addresses an issue that arises after performing a Push-button reset, where setting up Windows Hello facial recognition becomes unavailable. This specifically impacts devices with Windows Enhanced Sign-in Security (ESS) enabled.
  23. KB5031455 addresses a problem impacting PowerShell versions beyond 7.3.1, which may impede scripts from running in Constrained Language Mode when a WDAC policy is enabled.
  24. This version addresses an issue with the “Automatically Hide the Taskbar” setting, which could not be configured using the SHAppBarMessage() API.
  25. This update enhances the performance of the search box interface.
  26. Finally, this update addresses a problem with robocopy, where the use of the /efsraw switch was preventing it from copying data accurately.

How to download KB5031455 and install it

  1. Click on Search and type updates.
  2. Press Enter to open the Settings app with the concerned page.
  3. Click on Check for updates.
  4. When the build is downloaded click on Restart now.

Otherwise, you can go to the ISO download page of the Windows Insider Program when it is placed there. Download the ISO for Windows 11 Builds 22621.2500, create an install nation media, and install it.

The link is –

Source: Windows Insider blog.


KB5031455 is now available with Windows 11 Build 22621.2506 on the page

You can see the release note on this page.

That’s all!!

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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.