KB5022370: Microsoft releases dynamic updates to improve Windows 11 Setup, WinRE, and more

Earlier today, Microsoft released KB5022370 dynamic update, marked "critical" for Windows 11 version 21H2. Dynamic updates help improve the Windows setup process, typically when new feature updates are launched, such as the Windows 11 2022 Update.

New KB5022370 update support article says:

KB5022370: Setting up dynamic updates for Windows 11 version 21H2

Summary

This update improves the installer binaries or any files that the installer uses for feature updates in Windows 11 version 21H2.

In a Techcommunity blog post about Windows 10 Dynamic Updates, Microsoft explains the various components and uses of Dynamic Updates in more detail. These packages include fixes to the Setup.exe binary, SafeOS updates for the Windows Recovery Environment, and more:

Once Windows 10 Feature Updates are launched, whether from the media or the Windows Update Service connection environment, dynamic updates It is one of the first steps to be called. Windows 10 Setup connects to a Microsoft-hosted Internet-facing URL to obtain dynamic update content and then applies these updates to your operating system installation media.

What you get includes:

• Installer Updates: Repair the installer binaries or any files that the installer uses for feature updates.
• Secure OS Update: Fixed the "Secure OS" update for Windows Recovery Environment (WinRE).
• Serving Stack Update: A necessary fix to resolve an issue with the Windows 10 servicing stack, therefore a feature update needs to be completed.
• Latest Cumulative Update: Install the latest cumulative quality update.
• Driver Update: The latest version of an applicable driver that the manufacturer has released to Windows Update specifically for dynamic updates.

In addition to these updates, Dynamic Updates will preserve Language Pack (LP) and Features on Demand (FOD) content during the upgrade process. These are not updates to LP and FOD, but rather reacquisitions to ensure users have these elements when the update is complete.

Dynamic updates are only available through the Microsoft Update Catalog. You can download it by visiting this link.

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