.NET Framework February 2019 Preview of Quality Rollup

  1. Brink's Avatar
    Posts : 37,060
    64-bit Windows 10 Pro build 18860
       #1

    .NET Framework February 2019 Preview of Quality Rollup


    Today, we released the February 2019 Preview of Quality Rollup.

    Quality and Reliability

    This release contains the following quality and reliability improvements.

    CLR
    • Addresses an issue in System.Threading.Timer where a single global queue that was protected by a single process-wide lock causing a issues with scalability where Timers are used frequently on multi-CPU machine. The fix can be opted into with an AppContext switch below. See instructions for enabling the switch. [750048]
      • Switch name: Switch.System.Threading.UseNetCoreTimer
      • Switch value to enable: true
        Donít rely on applying the setting programmatically Ė the switch value is read only once per AppDomain at the time when the System.Threading.Timer type is loaded.

    SQL
    • Addresses an issue that caused compatibility breaks seen in some System.Data.SqlClient usage scenarios. [721209]

    WPF
    • Improved the memory allocation and cleanup scheduling behavior of the weak-event pattern. The fix can be opted into with an AppContext switch below. See instructions for enabling the switch. [676441]
      • Switch name: Switch.MS.Internal.EnableWeakEventMemoryImprovements
      • Switch name: Switch.MS.Internal.EnableCleanupSchedulingImprovements
      • Switch value to enable: true

    Getting the Update

    The Preview of 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 update 1607, Windows 10 update 1703, Windows 10 update 1709 and Windows update 1803, the .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 Cumulative Update KB
    Windows 10 1803 (April 2018 Update) Catalog
    4487029
    .NET Framework 3.5, 4.7.2 4487029
    Windows 10 1709 (Fall Creators Update) Catalog
    4487021
    .NET Framework 3.5, 4.7.1, 4.7.2 4487021
    Windows 10 1703 (Creators Update) Catalog
    4487011
    .NET Framework 3.5, 4.7, 4.7.1, 4.7.2 4487011
    Windows 10 1607 (Anniversary Update)
    Windows Server 2016
    Catalog
    4487006
    .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2 4487006

    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
    4487258
    .NET Framework 3.5 Catalog
    4483459
    .NET Framework 4.5.2 Catalog
    4483453
    .NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2 Catalog
    4486545
    Windows Server 2012 Catalog
    4487257
    .NET Framework 3.5 Catalog
    4483456
    .NET Framework 4.5.2 Catalog
    4483454
    .NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2 Catalog
    4486544
    Windows 7 SP1
    Windows Server 2008 R2 SP1
    Catalog
    4487256
    .NET Framework 3.5.1 Catalog
    4483458
    .NET Framework 4.5.2 Catalog
    4483455
    .NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2 Catalog
    4486546
    Windows Server 2008 Catalog
    4487259
    .NET Framework 2.0, 3.0 Catalog
    4483457
    .NET Framework 4.5.2 Catalog
    4483455
    .NET Framework 4.6 Catalog
    4486546

    Source: .NET Framework February 2019 Preview of Quality Rollup | .NET Blog
      My ComputersSystem Spec

  2.    #1

    @Brink,

    Since you are still up too, any idea why this rollup doesn't mention v1809? Many thanks!!
      My ComputersSystem Spec

  3. Brink's Avatar
    Posts : 37,060
    64-bit Windows 10 Pro build 18860
    Thread Starter
       #2

    @mta3006,

    1809 didn't get a new cumulative update today, so it's still using the .Net Framework update from below.

    Cumulative Update KB4483452 for .NET Framework 3.5 and 4.7.2 - Feb. 12 Windows Update - Windows 10 Forums
      My ComputersSystem Spec

  4.    #3

    Thanks, @Brink!
      My ComputersSystem Spec


 

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