Today, we released an update for .NET Framework 4.8 to Microsoft Update Catalog.

Quality and Reliability

This release contains the following reliability improvement.

CLR

• Addresses an issue where some ClickOnce applications or applications creating the default AppDomain with a restricted permission set may observe application launch or application runtime failures, or unexpected behaviors. The observable issue was the System.AppDomainSetup.TargetFrameworkName was null, leading to any quirks enabling reverting back to .NET Framework 4.0 behaviors.

1 Common Language Runtime (CLR)

Getting the Update

The update for .NET Framework 4.8 is available via Microsoft Update Catalog for supported versions of Windows. The reliability improvement will be available on all regular distribution channels through upcoming releases.

Microsoft Update Catalog

Windows 7 SP1 Windows Server 2008 R2 SP1
Catalog
KB4530746

Note: The November 13, 2019 Update for .NET Framework 4.8 is not a cumulative update.

Source: .NET Framework November 13, 2019, Update for .NET Framework 4.8 | .NET Blog

Posted By: Brink
14 Nov 2019