Windows 11 Updates: Microsoft Releases KB5054981, KB5054686, KB5056378, and KB5054059 for Setup and Recovery

Windows 11 Updates: Microsoft Releases KB5054981, KB5054686, KB5056378, and KB5054059 for Setup and Recovery

Latest Dynamic Updates from Microsoft for Windows 11

Last week, Microsoft implemented new Dynamic Updates for all currently supported versions of Windows 11, including 24H2, 23H2, and 22H2. Additionally, these updates also benefit Windows Server 2025.

Overview of Dynamic Updates

Dynamic Updates are designed to enhance the Windows Recovery experience by introducing updates for the Windows Recovery Environment (WinRE), also known as Safe OS updates. Furthermore, they provide updates to the setup binaries utilized during Windows installations.

Dynamic Updates for Windows 11 24H2 and Windows Server 2025

KB5054981: Setup Dynamic Update for Windows 11, version 24H2 and Windows Server 2025: March 27, 2025

Summary

This update enhances the Windows setup binaries and related files essential for feature updates in Windows 11 version 24H2 and Windows Server 2025.

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KB5054686: Safe OS Dynamic Update for Windows 11, version 24H2 and Windows Server 2025: March 27, 2025

Summary

This update focuses on improving the Windows Recovery Environment for Windows 11 version 24H2 and Windows Server 2025.

Dynamic Updates for Windows 11 Versions 22H2 and 23H2

KB5056378: Setup Dynamic Update for Windows 11, version 22H2 and 23H2: March 25, 2025

Summary

This update provides enhancements to the setup binaries and any essential files used during feature updates for both Windows 11 versions 22H2 and 23H2.

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KB5054059: Safe OS Dynamic Update for Windows 11, version 22H2 and 23H2: March 25, 2025

Summary

This update aims to improve the Windows Recovery Environment for Windows 11 versions 22H2 and 23H2.

Understanding Dynamic Updates

For readers unfamiliar with Dynamic Update packages, they are intended to be applied to pre-existing Windows images before deployment. Microsoft has detailed these updates in a blog post, which articulates their various components and applications. Dynamic Updates include essential fixes for Setup.exe binaries, Safe OS updates for the Windows Recovery Environment, and more:

Once a Windows 10 feature update begins, either from installation media or a Windows Update service-connected environment, the Dynamic Update process is initiated. Windows Setup connects to a Microsoft-hosted URL to retrieve and apply Dynamic Update content to your OS installation media.

Acquired content typically consists of:

  • Setup Updates: Improvements to Setup binaries or any files utilized during feature updates.
  • Safe OS Updates: Enhancements for the “safe OS, ”particularly for updating the Windows Recovery Environment (WinRE).

Furthermore, it is notable that Dynamic Update ensures the preservation of Language Pack (LP) and Features on Demand (FODs) content throughout the upgrade process. While these are not updates to LPs or FODs, reacquisition is necessary to maintain their presence in the completed update.

Accessibility of Updates

The Setup updates are available for manual download through the Windows Update Catalog website. For direct access, refer to the following links: KB5056378 / KB5054981. Additionally, users may manually obtain the WinRE updates via these links: KB5054686 / KB5054059; however, they are delivered automatically through the Windows Update channel.

Source & Images

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