Country and Operator Settings Asset (COSA) profiles are updated

March 25, 2025—KB5053657 (OS Builds 22621.5126 and 22631.5126) Preview
Highlights
Gradual rollout
A gradual rollout distributes a release update over a period of time, rather than all at once. This means that users receive the updates at different times, and it might not be immediately available to all users. To see the status of this feature, go to Windows release health dash

​​​​​​​[Settings]

• Fixed: For Japanese users, the name displaying at the top of Settings>Accounts shows “First Name” “Last Name” instead of “Last Name” “First Name”.
• ​​​​​​​New! “Top cards” appear under Settings>System>About. These top cards provide an easy way to view your PC’s key specifications, including processor, RAM, storage, and GPU, helping you quickly understand your PC’s capabilities at a glance.

[Input]​​​​​​​​​​​​​​

• New! The Gamepad keyboard layout is now available for the touch keyboard in Windows 11. This includes button accelerators (e.g., X button for backspace, Y button for spacebar). Additionally, the keyboard keys have been vertically aligned to improve controller navigation patterns.
• Fixed: ctfmon.exe might stop responding when copying data from certain apps.
• New! A new experience to improve the discoverability of the emoji and more panels in Windows 11 with the introduction of a new system tray icon on the taskbar.

[Voice Access] New! Introducing Chinese support for voice access. You can now use Voice access to navigate, dictate, and interact with Windows using voice commands in Simplified Chinese and Traditional Chinese.

​​​​​​​Improvements​​​​​​​
This non-security update includes quality improvements. The following summary outlines key issues addressed by the KB after you install it. Also, included are available new features. The bold text within the brackets indicates the item or area of the change.

Gradual rollout

A gradual rollout distributes release updates over a period of time, rather than all at once. This means that users receive the updates at different times and might not be immediately available to all users.

• [Noto Fonts] This update provides Noto CJK (Chinese, Japanese, and Korean) fonts in Windows.
• [File Systems (Filters)] This update adds support for a new function in Filter Manager that enhances the systems ability to notify applications of directory changes while minimizing I/O operations.

Normal rollout

• [Remote Desktop] Fixed: Certain Get-Help troubleshooters might not run in a Remote Desktop session.
• [Mobile Operator Portal] Updated: Country and Operator Settings Asset (COSA) profiles are updated.
• [Printers] Fixed: USB connected dual-mode printers that support both US Print and IPP Over USB protocols, might unexpectedly output incorrect or unwanted text.
• [File System] Fixed: An error message on a blue screen might occur when a user profile is redirected to a network Virtual Hard Disk v2 (VHD(X)).