September 30, 2022 - KB5017271 Cumulative Update Preview for .NET Framework 3.5 and 4.8.1 for Windows 11 22H2, version 22H2
The September 30, 2022 update for Windows 11 22H2 includes cumulative reliability improvements in .NET Framework 3.5 and 4.8.1. 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.
There are no new security improvements in this release. This update is cumulative and contains all previously released security improvements.
Quality and Reliability Improvements
1Windows Presentation Foundation (WPF)
WPF1 - Addresses an issue to allow users to adjust column width for Datagrid and Gridview controls using keybord
- Addresses issues arising in TreeView (or ListBox/DataGrid with grouping enabled) when changing the underlying collection(s) while also collapsing or expanding TreeView nodes. Scrolling actions, especially "short" actions like LineUp or MouseWheelUp, can result in poor outcomes: hangs, crashes, unexpected scrolling, gaps in the display, etc.
Known issues in this updateMicrosoft is not currently aware of any issues in this update.
How to get this updateInstall this update
Release Channel Available Next Step Windows Update and Microsoft Update Yes None. This update will be downloaded and installed automatically from Windows Update. Windows Update for Business No None. These changes will be included in the next security update to this channel. For more information about Windows Update for Business go to the Windows Update for Business website.
For a list of the files that are provided in this update, download the file information for cumulative update.
PrerequisitesTo apply this update, you must have .NET Framework 3.5 or 4.8.1 installed.
Restart requirementYou 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.
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