KB5043131

[Start menu] New! This update moves your profile picture to different positions. There is also a new background color for the left pane on the menu. This color change makes the items on the pane stand out more. This change might not be available to all users because it will roll out gradually.

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

[Media playback] Playback of some media might stop when you use certain surround sound technology.

[Microsoft Entra single sign-on (SSO)] The SSO notice that the European Digital Markets Act (DMA) requires prompts too often. This occurs when you authenticate using a certificate. To learn more, see Upcoming changes to Windows single sign-on.

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

[File Explorer and taskbar] Windows server stops responding when you use apps like File Explorer and the taskbar.

[Windows Update opt-in notifications] They now appear when you sign in.

[Directory enumeration] This might fail if a directory has symbolic links that have long target names.

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