November 10, 2020-KB4580419 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 10, version 2004, Windows Server, version 2004, Windows 10, version 20H2, and Windows Server, version 20H2
Applies To
.NETRelease Date:November 10, 2020
Version: .NET Framework 3.5 and 4.8
Note On Jan 12, 2020, a live revision was made to this update to remove its supersedence relationship with the October 13, 2020, .NET Framework security updates. If you have already installed this update, the October 13 .NET Framework updates, or any later .NET Framework updates, you do not have to take any action to be up-to-date for the latest .NET Framework security updates. See the “Update replacement information” section in this article for more information for WSUS administrators.
WSUS administrators who cannot install this update and have to reinstate the October 13, 2020, KB 4578968 security update, if it was declined, can follow this guidance: Reinstating declined updates. Then, they should run an update synchronization within their Microsoft Endpoint Configuration Manager, or update management environments, as applicable.
This update for Windows 10, version 2004, Windows Server, version 2004, Windows 10, version 20H2, and Windows Server, version 20H2 includes cumulative reliability improvements in .NET Framework 3.5 and 4.8. We recommend that you apply this update as part of your regular maintenance routines. Before you install this update, see the Prerequisites and Restart requirement sections.
Quality and reliability improvements
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WPF1 |
- Addressed a regression from a previous update, arising when two HostVisual elements disconnect at the same time. - Addressed a crash and/or hang when typing into a TextBox in a WPF app, when the OS feature "use text cursor indicator" is enabled. |
|
SQL |
- Addressed an issue in System.Data.SqlClient where querying string columns would fail if the database had a Kazakh collation. |
1 Windows Presentation Foundation (WPF)
How to obtain and install the update
Install this update
This update will be downloaded and installed automatically from Windows Update.
To get the standalone package for this update, go to the Microsoft Update Catalog website.
File information
For a list of the files that are provided in this update, download the file information for cumulative update.
Prerequisites
To apply this update, you must have .NET Framework 3.5 or 4.8 installed.
Restart requirement
You must restart the computer after you apply this update if any affected files are being used. We recommend that you exit all .NET Framework-based applications before you apply this update.
How to obtain help and support for this update
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Help for installing updates: Windows Update FAQ
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Protect yourself online and at home: Windows Security support
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Local support according to your country: International Support
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