Today, we are releasing the January 2019 Preview of Quality Rollup.
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 port sharing 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 1803 (April 2018 Update) | Catalog 4480976 |
| .NET Framework 3.5, 4.7.2 | 4480976 |
| Windows 10 1709 (Fall Creators Update) | Catalog 4480967 |
| .NET Framework 3.5, 4.7.1, 4.7.2 | 4480967 |
| Windows 10 1703 (Creators Update) | Catalog 4480959 |
| .NET Framework 3.5, 4.7, 4.7.1, 4.7.2 | 4480959 |
| Windows 10 1607 (Anniversary Update) Windows Server 2016 |
Catalog 4480977 |
| .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2 | 4480977 |
The following table is for earlier Windows and Windows Server versions.
| Product Version | Preview of Quality Rollup KB |
|---|---|
| Windows 8.1 Windows RT 8.1 Windows Server 2012 R2 |
Catalog 4481490 |
| .NET Framework 3.5 | Catalog 4480064 |
| .NET Framework 4.5.2 | Catalog 4480057 |
| .NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2 | Catalog 4480095 |
| Windows Server 2012 | Catalog 4481489 |
| .NET Framework 3.5 | Catalog 4480061 |
| .NET Framework 4.5.2 | Catalog 4480058 |
| .NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2 | Catalog 4480094 |
| Windows 7 SP1 Windows Server 2008 R2 SP1 |
Catalog 4481488 |
| .NET Framework 3.5.1 | Catalog 4480063 |
| .NET Framework 4.5.2 | Catalog 4480059 |
| .NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2 | Catalog 4480096 |
| Windows Server 2008 | Catalog 4481491 |
| .NET Framework 2.0, 3.0 | Catalog 4480062 |
| .NET Framework 4.5.2 | Catalog 4480059 |
| .NET Framework 4.6 | Catalog 4480096 |
Previous Monthly Rollups
The last few .NET Framework Monthly updates are listed below for your convenience:
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