Windows 10: Cumulative Update KB4502584 .NET Framework 3.5, 4.8 Windows 10 June 27

Brink · Jun 27, 2019

June 27, 2019 - KB4502584 Cumulative Update for .NET Framework 3.5, 4.8 for Windows 10, version 1903 and Windows Server 1903 RTM

Applies to: .NET Framework

Quality and reliability improvements

Improves the memory allocation and cleanup scheduling behavior of the weak-event pattern. To opt-in to these improvements, set AppContext switches to "true": Switch.MS.Internal.EnableWeakEventMemoryImprovements and Switch.MS.Internal.EnableCleanupSchedulingImprovements.

Addresses an InvalidOperationException that can occur during weak-event cleanup, if called re-entrantly while a weak-event delivery is in progress.

Addresses InvalidOperationException errors in System.Web.Hosting.RecycleLimitMonitor+RecycleLimitMonitorSingleton.AlertProxyMonitors. Worker processes for ASP.Net 4.7 and later are vulnerable to unexpected crashes because of this exception if the worker process consumes close to its configured Private Bytes recycling limit and application domains are being created or recycled (perhaps because of config uration file changes, or the presence of more than one application per worker process).

Addresses an issue in which it was possible for a Workflow Service to get into a looping situation if an unhandled exception occurs during Cancel processing. To break this cycle, the Web.config file for the workflow service can have the following AppSetting specified that will cause the workflow service instance to terminate, instead of abort, if an unhandled exception occurs during Cancel processing:

<appSettings>
<add key="microsoft:WorkflowServices:TerminateOnUnhandledExceptionDuringCancel" value="true"/>
</appSettings>

Addresses multiple Accessibility and High DPI awareness improvements for Windows Forms and Windows Presentation Foundation (WPF) applications.

Known issues in this update

Microsoft is not currently aware of any issues in this update.

How to obtain and install the update

Install this update

To download and install this update, go to Settings > Update & Security > Windows Update, and select Check for updates.

To get the standalone package for this update, go to the Microsoft Update Catalog website.

File information

For a list of the files that are provided in this update, download the file information for cumulative update.
Click to expand...

Source: https://support.microsoft.com/en-us/...k-june-27-2019

Direct download links for KB4502584 MSU file from Microsoft Update Catalog:

*Arrow Download KB4502584 MSU for Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 v1903 32-bit (x86) - 31.2 MB

*Arrow Download KB4502584 MSU for Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 v1903 64-bit (x64) - 57.2 MB

:)

Brink · Jun 27, 2019

Cumulative Update KB4480056 for .NET Framework 3.5 and 4.7.2 - Jan. 8

UPDATE: Cumulative Update KB4481031 for .NET Framework 3.5 and 4.7.2 - Jan. 22 Windows Update - Windows 10 Forums

DooGie · Jun 27, 2019

Cumulative Update KB4480056 for .NET Framework 3.5 and 4.7.2 - Jan. 8

It just downloaded unexpectedly.

Brink · Jun 27, 2019

.NET Framework July 2017 Cumulative Quality Update for Windows 10

Today, we are releasing a new Cumulative Quality Update for the .NET Framework. It is specific to Windows 10 build 1703 (Creators Update).

Previously released security and quality updates are included in this release, including the July 2017 Security and Quality Rollup, the July 2017 Preview of Quality Rollup and the June 2017 Cumulative Quality Update for Windows 10.

Note: This release is considered a July release even though it is being released in August.

Quality and Reliability

The following improvements are included in this release. Most changes are for the .NET Framework 4.7. .NET Framework 3.5 changes are called out specifically.

ASP.NET

.NET Session State throttles change requests when several requests for the same session object arrive on the server, with .NET Framework 3.5 [447143].

CLR

CRWLock::StaticAcquireWriterLock() never returns if Int32.MaxValue number of ReaderWriterLock objects are created, with .NET Framework 3.5 [242568].

Dynamic method compilation may fail due to out of memory if memory for the code is not available near its precode [394998].

Memory leak in AppDomain::m_clsidHashMap [431586].

EETypeHashTable lookups can deadlock with GC during comparison with unrestored persisted TypeHandles [435006]

Data

SqlConnection object memory leak [444016].

System.Data.SqlClient: Errors due to undersized prelogin packet data buffer [445492].

Performance improvements in Entity Framework [445511].

Management

Reboot method of Win32_OperatingSystem has Privilege not held exception, with .NET Framework 3.5 and 4.7 [441904].

Windows forms

MdiWindowListItem remove MDI from list after closing cancellation [396476].

Excessive object creation in a performance-critical code-path leading to performance regressions and/or displaying empty UI and/or exhausting GDI+ handles [452048].

Windows Presentation Foundation (WPF)

NullReferenceException thrown from PresentationFramework.dll during SpellCheck operations after SpellCheck.CustomDictionaries.Clear() is called programmatically [432174].

XML

Incorrect Validation logic is applied when handling the <xsd:whiteSpace value=”collapse”/> directive in System.Xml [227903, 440921, 440932]

Getting the Update

The July 2017 Cumulative Quality Update is available via Windows Update, Windows Server Update Services and Microsoft Update Catalog.

Docker Images

The .NET Framework Docker images have not been updated for this release.

Downloading KBs from Microsoft Update Catalog

You can download patches from the table below. See .NET Framework Monthly Rollups Explained for an explanation on how to use this table to download patches from Microsoft Update Catalog.

[table][tr]Product Version Cumulative Quality Update KB [/tr] [tr][td]Windows 10 Creators Update[/td] [td]Catalog 4032188[/td] [/tr] [tr][/tr] [tr][td].NET Framework 4.7[/td] [td]4032188[/td] [/tr] [tr][td].NET Framework 3.5[/td] [td]4032188[/td] [/tr] [/table]
Click to expand...

Source: .NET Framework July 2017 Cumulative Quality Update for Windows 10 | .NET Blog

Windows 10: Cumulative Update KB4502584 .NET Framework 3.5, 4.8 Windows 10 June 27

Cumulative Update KB4502584 .NET Framework 3.5, 4.8 Windows 10 June 27

Cumulative Update KB4502584 .NET Framework 3.5, 4.8 Windows 10 June 27

Cumulative Update KB4502584 .NET Framework 3.5, 4.8 Windows 10 June 27

Cumulative Update KB4502584 .NET Framework 3.5, 4.8 Windows 10 June 27 - Similar Threads - Cumulative Update KB4502584

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.NET Framework 4+

Cumulative .NET Framework updates for Windows 10

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