May 28, 2025—KB5058481 (OS Build 19045.5917) Preview
This preview update includes quality improvements. Below is a summary of the key issues that this update addresses when you install this update. If there are new features, it lists them as well. The bold text within the brackets indicates the item or area of the change we are documenting.
Highlights
[Calendar flyout]
Brings back the clock view that displays seconds onto the calendar that was once removed.
Enhances the Rich Calendar feature by extending the upcoming events period to 30 days.
Adds description text for the Weather button in the Rich Calendar feature.
Improvements
Important: Use EKB KB5015684 to update to Windows 10, version 22H2.
[GDI/GDI+]
Fixed: Some GB18030-2022 characters in plane 2 are not rendered.
Fixed: Some GB18030 characters are rendered wider. Additionally, the sample paragraph is not rendered correctly.
[Mobile Operator Profiles]
Updated: Country and Operator Settings Asset (COSA) profiles are updated.
[WinSaS]
Fixed: An issue affecting the Windows Account Sync Consent system in European Economic Area markets, where secondary accounts were not acknowledged, leading to increased server load.
If you installed earlier updates, only the new updates contained in this package will be downloaded and installed on your device.
Servicing stack update (KB5059504) - 19045.5911
Microsoft now combines the latest servicing stack update (SSU) for your operating system with the latest cumulative update (LCU). SSUs improve the reliability of the update process to mitigate potential issues while installing updates.
This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. To learn more about SSUs, see Servicing stack updates and Servicing Stack Updates (SSU): Frequently Asked Questions.
May 28, 2025—KB5058481 (OS Build 19045.5917) Preview - Microsoft Support
Microsoft has released KB5058481 for Windows 10 22H2, introducing several quality enhancements, such as the reinstatement of the clock view, an expansion of the Rich Calendar feature, and the incorporation of descriptive text for the Weather button. Key updates include the addition of EKB KB5015684 for Windows 10, fixes for issues with GB18030-2022 characters, updated Country and Operator Settings Asset profiles, and a fix for a problem affecting the Windows Account Sync Consent system in European Economic Area markets. The update integrates the most recent servicing stack update alongside the latest cumulative update.
