Microsoft released an optional KB5019275 preview cumulative update for Windows 10 20H2, Windows 1021H1, Windows 10 21H1, Windows 10 21H2, and Windows 10 21H2 with 14 fixes and enhancements.
This is a maintenance release. It fixes many bugs in ReFS and FIDO2, as well as other issues that can cause the Windows desktop or applications to be unresponsive.
The KB5019275 cumulative updates preview forms part of Microsoft’s monthly “C” update for January 2023. This update allows admins to try out the February 2023 Patch Tuesday fixes.
The “C” preview update is optional, and does not contain security updates.
Windows users can download this update by visiting Settings. Click on WindowsUpdate, to perform a “Check for Updates” manually.
This is an optional update. You will be asked if you want to download it. Click the link below.
This update will make Windows 10 20H2 build 9042.2546. Windows 10 21H2 build 1944.2546. Windows 10 22H2 build 19045.2546. Windows 10 22H2 build 19045.2546.
Windows 10 users may also manually download the KB5019275 preview upgrade from the .
Microsoft also warns that no additional preview updates for Windows 10 version 20H2 and Windows 10 version 21H2 will be available after March 2023.
Microsoft explains in the KB5019275 support bulletin that “after March 2023 there will be no additional optional, non security preview releases for supported editions Windows 10, Version 20H2 or Windows 10 version 21H2.”
These versions will no longer receive cumulative security updates, also known as Update Tuesday releases or the “B”, which are monthly security patches. Windows 10 version 22H2 will receive optional and security updates.
What’s New in Windows 10 KB5019275?
Microsoft introduced this new feature with the “System” setting screen. It will display Microsoft OneDrive storage alerts.
Microsoft claims that these alerts will not be displayed if you have run out storage. Windows users can purchase additional.
13 issues are also fixed by KB5019275, mainly to address crashes and unresponsive features.
Microsoft’s support for URL lengths up to 8196 characters is of particular importance. This is more than most people will see while browsing the internet.
Other notable bugs fixed in this release include:
- Searchindexer.exe is affected by this update. This randomly prevents you from signing up or out.
- This update fixes an issue in conhost.exe that causes it to cease responding.
- The Task View issue that you encounter when opening Task View has been fixed by this update. This causes the desktop not to respond.
- This update fixes a memory issue. This happens when certain HD audio controllers are used.
Microsoft warns of a long-standing problem in the update. Windows installation from ISO or offline media may see Microsoft Edge Legacy being removed. This will be replaced by Microsoft Edge Modern.
The KB5019275 bulletin explains that Windows devices with Windows installation created using custom offline media and custom ISO images might see Microsoft Edge Legacy being removed. However, it will not be automatically replaced by the latest Microsoft Edge.
This issue can only be encountered when ISO or custom offline media are used to create ISO images.
A complete list can be found in the .