Windows 10: .NET Framework July 2018 Update available

Brink · Jul 31, 2018

Today, we released the July 2018 Update that fixes an issue in .NET Framework 2.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2. We recommend that you apply this update if you are experiencing the issue described in the known issues Knowledge Base article 4345913.

Quality and Reliability

This release contains the following quality and reliability improvements.

CLR

Applications that rely on COM components were failing to load or run correctly because of “access denied,” “class not registered,” or “internal failure occurred for unknown reasons” errors described in 4345913. [651528]

Note: Additional information on these improvements is not available. The VSTS bug number provided with each improvement is a unique ID that you can give Microsoft Customer Support, include in StackOverflow comments or use in web searches.

Getting the Update

The Update is available by manual download only via Microsoft Update Catalog.

Microsoft Update Catalog

You can get the update via the Microsoft Update Catalog.

Product Version Update KB Windows 10 1607 (Anniversary Update) .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2 Catalog
4346877 Windows 8.1
Windows Server 2012 R2 .NET Framework 3.5 Catalog
4346745 .NET Framework 4.5.2 Catalog
4346408 .NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.1, 4.7.2 Catalog
4346406 Windows Server 2012 .NET Framework 3.5 Catalog
4346742 .NET Framework 4.5.2 Catalog
4346739 .NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.1, 4.7.2 Catalog
4346405 Windows 7
Windows Server 2008 R2 .NET Framework 3.5.1 Catalog
4346744 .NET Framework 4.5.2 Catalog
4346410 .NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.1, 4.7.2 Catalog
4346407 Windows Server 2008 .NET Framework 2.0 Catalog
4346743 .NET Framework 4.5.2 Catalog
4346410 .NET Framework 4.6 Catalog
4346407
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Source: .NET Framework July 2018 Update | .NET Blog

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Brink · Jul 31, 2018

.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.

Product Version Cumulative Quality Update KB Windows 10 Creators Update Catalog
4032188 .NET Framework 4.7 4032188 .NET Framework 3.5 4032188
Click to expand...

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

Brink · Jul 31, 2018

Announcing the .NET Framework 4.7.2

Today, we are happy to announce the release of the .NET Framework 4.7.2. It’s included in the Windows 10 April 2018 Update. .NET Framework 4.7.2 is also available on Windows 7+ and Windows Server 2008 R2+.

You can download the .NET Framework 4.7.2

Web Installer

Offline Installer

The .NET Framework 4.7.2 includes improvements in several areas:

[ASP.NET] Support for SameSite cookie in ASP.NET

[ASP.NET] Support for ASP.NET Dependency Injection

[ClickOnce] Per-monitor support for WPF and HDPI-aware VSTO apps deployed via ClickOnce

[SQL] Always Encrypted enhancements in SQL Connectivity

[Networking & BCL] Enhanced .NET Framework support for .NET Standard 2.0

[BCL] Cryptography improvements

[WPF] Diagnostic enhancements

For building applications targeting .NET Framework 4.7.2 download the Developer Pack. You can see the complete list of improvements in the .NET Framework 4.7.2 release notes. .NET Framework 4.7.2 will be available on Windows Update in the near future. Docker images are also available for this release at Docker Hub.

Supported Windows Versions

The .NET Framework 4.7.2 is supported on the following Windows versions:

Windows 10 April 2018 Update (included in-box)

Windows 10 Fall Creators Update

Windows 10 Creators Update

Windows 10 Anniversary Update

Windows 8.1

Windows 7 SP1

The .NET Framework 4.7.2 is supported on the following Windows Server versions:

Windows Server, version 1709

Windows Server 2016

Windows Server 2012 R2

Windows Server 2012

Windows Server 2008 R2 SP1

Click to expand...

Read more: Announcing the .NET Framework 4.7.2 | .NET Blog

Brink · Jul 31, 2018

.NET Framework May 2018 Preview of Quality Rollup

Today, we are releasing the May 2018 Preview of Quality Rollup.

Quality and Reliability

This release contains the following quality and reliability improvements.

CLR

Resolves an issue in WindowsIdentity.Impersonate where handles were not being explicitly cleaned up. [581052]

Resolves an issue in deserialization when using a collection, for example, ConcurrentDictionary by ignoring casing. [524135]

Removes case where floating-point overflow occurs in the thread pool’s hill climbing algorithm. [568704]

Resolves instances of high CPU usage with background garbage collection. This can be observed with the following two functions on the stack: clr!*gc_heap::bgc_thread_function, ntoskrnl!KiPageFault. Most of the CPU time is spent in the ntoskrnl!ExpWaitForSpinLockExclusiveAndAcquire function. This change updates background garbage collection to use the CLR implementation of write watch instead of the one in Windows. [574027]

Networking

Fixed a problem with connection limit when using HttpClient to send requests to loopback addresses. [539851]

WPF

A crash can occur during shutdown of an application that hosts WPF content in a separate AppDomain. (A notable example of this is an Office application hosting a VSTO add-in that uses WPF.) [543980]

Addresses an issue that caused XAML Browser Applications (XBAP’s) targeting .NET 3.5 to sometimes be loaded using .NET 4.x runtime incorrectly. [555344]

A WPF application can crash due to a NullReferenceException if a Binding (or MultiBinding) used in a DataTrigger (or MultiDataTrigger) belonging to a Style (or Template, or ThemeStyle) reports a new value, but whose host element gets GC’d in a very narrow window of time during the reporting process. [562000]

A WPF application can crash due to a spurious ElementNotAvailableException. [555225]
This can arise if:

Change TreeView.IsEnabled

Remove an item X from the collection

Re-insert the same item X back into the collection

Remove one of X’s subitems Y from its collection
(Step 4 can happen any time relative to steps 2 and 3, as long as it’s after step 1. Steps 2-4 must occur before the asynchronous call to UpdatePeer, posted by step 1; this will happen if steps 1-4 all occur in the same button-click handler.)

Note: Additional information on these improvements is not available. The VSTS bug number provided with each improvement is a unique ID that you can give Microsoft Customer Support, include in StackOverflow comments or use in web searches.

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.

Product Version Preview of Quality Rollup KB Windows 8.1
Windows RT 8.1
Windows Server 2012 R2 Catalog
4103473 .NET Framework 3.5 4095875 .NET Framework 4.5.2 4098974 .NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.1 4098972 Windows Server 2012 Catalog
4098968 .NET Framework 3.5 4095872 .NET Framework 4.5.2 4098975 .NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.1 4098971 Windows 7
Windows Server 2008 R2 Catalog
4103472 .NET Framework 3.5.1 4095874 .NET Framework 4.5.2 4098976 .NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.1 4096234 Windows Server 2008 Catalog
4103474 .NET Framework 2.0, 3.0 4095873 .NET Framework 4.5.2 4098976 .NET Framework 4.6 4096234
Click to expand...

Read more: .NET Framework May 2018 Preview of Quality Rollup | .NET Blog

Windows 10: .NET Framework July 2018 Update available

.NET Framework July 2018 Update available

.NET Framework July 2018 Update available

.NET Framework July 2018 Update available

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