KB5031476 – KB5031475: Windows 11 (22H2 – 21H2) critical updates for WinRE

A few days ago, this week, the Microsoft κυκλοφόρησε το Patch Tuesday για τον μήνα Οκτώβριο του 2023. Η ενημέρωση της Τρίτης ή B-release είναι η μηνιαία ενημέρωση ασφαλείας αλλά η κυκλοφορία αυτού του μήνα έφερε και το Moment 4 στα Windows 11 .

Microsoft also released some dynamic compatibility updates for Windows 21 versions 2H22 and 2H11, which improve Windows recovery with the help of SafeOS updates that are marked “critical”.

The company states in the two KBs:

KB5031476: Compatibility update for installing and recovering Windows 11, version 22H2: October 10, 2023

and

KB5031475: Compatibility update for installing and recovering Windows 11, version 21H2: October 10, 2023

Both updates bring improvements to Windows recovery features for Windows 11, version 21H2.

In a publication about the Windows 10 dynamic updates, Microsoft provides more details about Dynamic Updates. These packages include fixes to Setup.exe binaries, and in SafeOS updates for the Windows Recovery Environment etc:

As soon as a feature update of the Windows 10, είτε από πολυμέσα είτε από ένα περιβάλλον συνδεδεμένο με την υπηρεσία Windows Update, η Δυναμική Ενημέρωση είναι ένα από τα πρώτα βήματα που επικαλείται το σύστημα. Το πρόγραμμα Εγκατάστασης των Windows 10 προσεγγίζει μια διεύθυνση URL που φιλοξενείται από τη Microsoft για να ανακτήσει το content of dynamic update and then applies those updates to your operating system installation media.

The content you receive includes:

Installation Updates: Fixes Setup binaries or any archives uses Setup for updates.
Safe OS updates: Fixes for the “safe operating system” or “safe OS” used to update the Windows recovery environment (WinRE from the Windows recovery environment).
Stack Updates: Fixes necessary to address the Windows 10 servicing stack issue required to complete the feature update.
Last Cumulative Update : Installs the latest cumulative quality update.
Program updates driving (Driver Updates): Latest version of the drivers used by the system through Windows Update.

Dynamic updates are only available through the Microsoft Update Catalog. You can download them from here: KB5031476 and KB5031475.