KB5043145: (OS Builds 22621.4249 and 22631.4249) Preview

Gradual rollout
These might not be available to all users because they will roll out gradually.​​​

- [Taskbar]​​​​​​​ New! You can now share local files directly from the search results that appear in the Search box on the taskbar.

- [Settings] New! The Delivery Optimization Settings page now matches the Windows 11 design. See Settings > Windows Update > Advanced options > Delivery Optimization.

- [Windows Share] New! This update removes the search box from the Windows Share window.

- [Lock screen] New! Media controls now show in the lower part of the lock screen at its center when media is playing.

- [Start menu] New! ​​​​​​​The Sign out command is now on the account manager when you open the Start menu. To change to a different user, select the ellipses (...). A list of other users appears to make it easier to switch.

Normal rollout
- [Microsoft Edge] It sometimes stops responding when you use IE mode.

- [Windows identity protection] Users no longer need to enter their credentials more than once for Outlook or another encrypted email app. A user will be prompted for their PIN one time only.

- [Copilot Pro subscription] New! You can now manage your Copilot Pro subscription in Settings. Sign in to your Microsoft account and go to Settings>Accounts.

- [Task Manager] It stops responding when you switch from a high contrast theme to a normal theme.

Improvements

- [IE mode] Microsoft Edge sometimes stops responding when you use IE mode.

- [Transmission Control Protocol (TCP)] There is inconsistent data between TCP_INFO_v1 and GetPerTcpConnectionEstats. File synchronization services use TCP connection performance analysis tools. This issue affects how accurate those tools are.

- [Country and Operator Settings Asset] This update brings COSA profiles up to date for certain mobile operators.

- [Outlook and other encrypted email apps] This issue prompts for your PIN each time you open an encrypted email.

- [Microsoft Defender for Endpoint] Work Folders files fail to sync when Defender for Endpoint is on.