MC288421 – September 2021 Windows non-security preview “C” release available all supported versions for Windows 10 (archived)

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check before: 2021-09-30

Product:

Windows, Windows Server

Platform:

Windows Desktop, World tenant

Status:

Change type:

Admin impact

Links:

Details:

The September 2021 non-security preview release, referred to as our "C" release, is now available for Windows 10, version 21H1 and all supported versions of Windows. See the Release Notes associated to this update for information on the contents of this release. Please note the Release notes associated with these updates might publish with a delay of up to half an hour after the updates are available for download. To learn more about the different types of monthly quality updates, see our Windows 10 quality updates primer.


IMPORTANT: Starting in October 2021, there will no longer be 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 10, version 21H1 update:


Updates an issue that causes News and interests to appear when you right-click the taskbar even if you have turned off that feature on your device.
Updates an issue that causes blurry News and interests icons when you use certain screen resolutions.
Updates an issue that causes the system clock to be wrong by one hour after a daylight saving time (DST) change.
Updates an issue that prevents you from providing input to apps when the taskbar is not at the bottom of the screen.


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


Windows 10, version 21H1: KB5005611
Windows 10, version 20H2: KB5005611
Windows 10, version 2004: KB5005611
Windows 10, version 1909, Windows Server, version 1909: KB5005624
Windows 10, version 1809, Windows Server, version 1809, Windows Server 2019: KB5005625

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Created:
2022-02-11

updated:
2022-08-27

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change history

DatePropertyoldnew
2022-09-15MC prepareps://support.microsoft.com/help/500510
ps://support.microsoft.com/help/50056
ps://support.microsoft.com/help/5005624
ps://support.microsoft.com/help/5005625
ps://techcommunity.microsoft.com/t5/windows-it-pro-blog/windows-quality-updates-primer/ba-p/2569385
https://support.microsoft.com/help/5005101
https://support.microsoft.com/help/5005611
https://support.microsoft.com/help/5005624
https://support.microsoft.com/help/5005625
https://techcommunity.microsoft.com/t5/windows-it-pro-blog/windows-quality-updates-primer/ba-p/2569385
2022-08-27MC preparehttps://support.microsoft.com/help/5005101
https://support.microsoft.com/help/5005611
https://support.microsoft.com/help/5005624
https://support.microsoft.com/help/5005625
https://techcommunity.microsoft.com/t5/windows-it-pro-blog/windows-quality-updates-primer/ba-p/2569385
ps://support.microsoft.com/help/500510
ps://support.microsoft.com/help/50056
ps://support.microsoft.com/help/5005624
ps://support.microsoft.com/help/5005625
ps://techcommunity.microsoft.com/t5/windows-it-pro-blog/windows-quality-updates-primer/ba-p/2569385

Last updated 2 years ago ago

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