MC293974 – October 2021 Windows non-security preview “C” release available all supported versions for Windows (archived)

Admin impact, Prevent Or Fix Issue, Windows

check before: 2021-10-26

Product:

Microsoft Edge, Windows, Windows Server

Platform:

Windows Desktop, World tenant

Status:

Change type:

Admin impact

Links:

Details:

The October 2021 non-security preview release, referred to as our "C" release, is now available for Windows 11 and all supported versions of Windows. The Release Notes associated to this update contain a new video highlight with information on the contents in this release (Release notes might publish with a delay of up to an hour after the updates are available for download). To learn more about the different types of monthly quality updates, see our Windows quality updates primer.

REMINDER: Starting in October 2021, there are no longer non-security releases (known as "C" releases) for Windows 10, version 1909. Only cumulative monthly security updates (known as the "B" or Update Tuesday release) will continue for Windows 10, version 1909.

Improvements and Fixes for Windows 11 (original release):

Addresses a race condition that occurs during the early part of startup that might cause a stop error.
Addresses a regression that might cause stop error 0x38 on some machine configurations that use non-ASCII text in the registry.
Addresses an issue for a small number of users that prevents the Start menu from working and prevents you from seeing the updated taskbar design after upgrading to Windows 11 (original release).
Addresses an L3 caching issue that might affect performance in some applications on devices that have AMD Ryzen processors after upgrading to Windows 11 (original release).
Addresses an issue with the interrupt handling of certain processors that might cause devices to stop responding.
Addresses an issue with a hardcoded font in the PowerShell shortcut file that distorts Japanese, Chinese, and Korean language fonts.
Provides administrators the option to reset the zoom to the default for HTML dialogs in Microsoft Edge Internet Explorer mode.
Addresses an issue that causes Internet Explorer to stop working when you input certain characters in the Input Method Editor (IME).
Implements a Group Policy setting for the following registry location: HKLM\Software\Policies\Microsoft\Windows NT\Printers\PointAndPrint, for more information, see KB5005010.
Addresses a known issue that might prevent devices from downloading and installing printer drivers when the devices attempt to connect to a network printer for the first time. We have observed this issue on devices that access printers using a print server that uses HTTP connections.
Addresses a known issue that might prevent the successful installation of printers using the Internet Printing Protocol (IPP).

For instructions on how to install this update for your operating system, see the KB for your OS listed below:

Windows 11 (original release): KB5006746
Windows 10, version 21H1: KB5006738
Windows 10, version 20H2: KB5006738
Windows 10, version 2004: KB5006738
Windows 10, version 1809, Windows Server, version 1809, Windows Server 2019: KB5006744

Change Category:
XXXXXXX ... free basic plan only

Scope:
XXXXXXX ... free basic plan only

Release Phase:

Created:
2022-02-11

updated:
2022-08-27

Task Type