Earlier this week, Microsoft released KB5050094 Windows 11 24H2 optional non-security preview update. Alongside that, the company also pushed the corresponding dynamic updates. After skipping on Setup updates in December for both Windows 10 and Windows 11, Microsoft has once again published it this month alongside the one for Windows Recovery Environment (WinRE), also called the Safe OS update.
These dynamic updates apply to Server 2025 as well. Microsoft writes:
KB5050758: Setup Dynamic Update for Windows 11, version 24H2 and Windows Server 2025: January 28, 2025
Summary
This update makes improvements to Windows setup binaries or any files that setup uses for feature updates in Windows 11, version 24H2 and Windows Server 2025.
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KB5053117: Safe OS Dynamic Update for Windows 11, version 24H2 and Windows Server 2025: January 28, 2025
Summary
This update makes improvements to the Windows recovery environment in Windows 11, version 24H2 and Windows Server 2025.
For those who may not be aware, these Dynamic Update packages are meant to be applied to existing Windows images prior to their deployment. In a Tech Community blog post about Windows 10 Dynamic Updates, Microsoft explained Dynamic Updates in more detail regarding its various components and uses. These packages include fixes to Setup.exe binaries, SafeOS updates for Windows Recovery Environment, and more:
As soon as a Windows 10 feature update initiates, whether from media or a Windows Update service-connected environment, Dynamic Update is one of the first steps invoked. Windows 10 Setup reaches out to an Internet-facing URL hosted by Microsoft to fetch Dynamic Update content, then applies those updates to your OS installation media.
Content acquired includes:
- Setup Updates: Fixes to Setup binaries or any files that Setup uses for feature updates.
- Safe OS Updates: Fixes for the "safe OS" that are used to update Windows recovery environment (WinRE).
In addition to these updates, Dynamic Update will preserve Language Pack (LP) and Features on Demand (FODs) content during the upgrade process. These are not updates to LPs and FODs, but reacquisition to ensure the user has these elements present with the update completes.
The Setup update is available for manual downloading from the Windows Update Catalog website. You can find it here: KB5050758. You can also avail of the WinRE update manually by visiting KB5053117.
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