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Releasing Windows 10 Build 19045.5912 to the Release Preview Channel

Written By published May 15, 2025

Hello Windows Insiders, today we are releasing Windows 10 22H2 Build 19045.5912 (KB5058481) to the Release Preview Channel for Insiders who are on Windows 10, version 22H2.

This update includes the following features and improvements (items bolded in brackets indicate the area of the change being documented):

[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 on the rich calendar.

[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.

Thanks,
The Windows Insider Program Team

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