Today, we are releasing the January 22, 2018 Preview of .NET Framework Cumulative Update for Windows 10 version 1809 and Windows Server 2019.
For more information about the new Cumulative Updates for .NET Framework for Windows 10 version 1809 and Windows Server 2019 please refer to this recent announcement.
Quality and Reliability
This release contains the following quality and reliability improvements.
CLR
Addresses a garbage collection issue in JIT-compiled code. [672191]
SQL
Mitigatecompatibility breaks seen in some System.Data.SqlClient usage scenarios. [721209]
WCF
Addressed a race condition with IIS hosted net.tcp WCF services when the portsharing service is restarted which resulted in the service being unavailable. [663905]
Getting the Update
The Security and Quality Rollup is available via Windows Update, Windows Server Update Services, and Microsoft Update Catalog.
Microsoft Update Catalog
You can get the update via the Microsoft Update Catalog. For Windows 10, .NET Framework updates are part of the Windows 10 Monthly Rollup.
The following table is for Windows 10 and Windows Server 2016+ versions.
| Product Version | Preview of Quality Rollup KB |
|---|---|
| Windows 10 1809 (October 2018 Update) | Catalog 4481031 |
| .NET Framework 3.5, 4.7.2 | 4481031 |