• WMI Provider MSI still failing to install in 16.6
• View History on context menu in Solution Explorer doesn't do anything
• Cannot generate shim for X509Certificate2 with Visual Studio 2019 16.6.0
• Add Controller and Add New Scaffolded Item dialogs are not showing all data contexts after upgrading Visual Studio Enterprise 16.5.6->16.6.0
• Cannot open new json file
• About Microsoft Visual Studio frozen.
• Visual Studio 2019 16.6.0 Microsoft Fakes Issue
• VSSDK IVsHierarchy Regression in VS 16.6.x
• Windows 10 SDK (10.0.19041.1)- ARM64 memcpy crashes when accessing unaligned uncached memory
• Add script to SQL Server Database project does not open User Scripts list
• Fakes generation with ref argument
• Frequent soft hang with Code Analysis callstack in Open Folder project
• Visual Studio Class Designer dark theme support
• Added support for Text Template Transformation Toolkit (T4) in .NET Core projects
• Separate IntelliCode team completions model acquisition from model production.
• Addressed an issue where users may have experienced critical update or installation failures due to the WMIProvider package that would block use of the IDE. Failures in this component no longer block use of the IDE.
• Fixed a problem causing the product to stop responding when working with Xamarin projects on certain scenarios.
• Fixed a bug where VS would crash when attempting to decrypt an invalid UWP code-signing certificate

.NET 5 Preview 6 is now available and is ready for evaluation. Here’s what’s new in this release:

• Blazor WebAssembly template now included
• JSON extension methods for HttpRequest and HttpResponse
• Extension method to allow anonymous access to an endpoint
• Custom handling of authorization failures
• SignalR Hub filters 

Security Advisory Notice for 16.6.2

CVE-2020-1108 / CVE-2020-1108.NET Core Denial of Service Vulnerability

To comprehensively address CVE-2020-1108, Microsoft has released updates for .NET Core 2.1 and .NET Core 3.1. Customers who use any of these versions of .NET Core should install the latest version of .NET Core. See the Release Notes for the latest version numbers and instructions for updating .NET Core.

CVE-2020-1202 / CVE-2020-1203 Diagnostics Hub Standard Collector Service Elevation of Privilege Vulnerability

An elevation of privilege vulnerability exists when the Diagnostics Hub Standard Collector or the Visual Studio Standard Collector fails to properly handle objects in memory.

CVE-2020-1293 / CVE-2020-1278 / CVE-2020-1257 Diagnostics Hub Standard Collector Service Elevation of Privilege Vulnerability

An elevation of privilege vulnerability exists when the Diagnostics Hub Standard Collector Service improperly handles file operations

Top Issues Fixed in Visual Studio 2019 version 16.6.2

• Visual Studio 2019 16.60 hang at run or build when modified not saved in C++/CLI project
• An unhandled exception of type 'System.NullReferenceException' occurred in Microsoft.VisualStudio.DesignTools.WpfTap.dll
• Recurring null reference when reopening documents
• "Create new project" dialog search does not find templates for third-party language providers
• IntelliSense shows that "tilde-slash" (~/) points to ASP .NET Core 3.1 project root instread of wwwroot subfolder after upgrading Visual Studio Enterprise 16.5.6->16.6.0
• Fixed a compiler error (error C2475: redefinition; 'constexpr' specifier mismatch) affecting std::atomic when compiled as C++/CX in C++17 mode.
• URL completion values and format was fixed in Razor views. App-relative URL format is now used again and the values in the URL completion list show files and folders rooted under app root, i.e. wwwroot.
• Fixed a crash when using snippets.
• Restore item templates that could be hidden by extensions.

Issues Fixed in 15.9.24

• Fixed a bug in the C++ linker missing imports when using umbrella LIBs with difference casing on postfix of DLL name.
• Fixed a bug in the ARM64 C++ compiler where the wrong values could be restored after setjmp.
• Fixed C++ compiler bug for proper folding of inline variable dynamic initializers.
• Made a change that enables Enterprise IT administrators and deployment engineers to configure tools like Microsoft Update client & SCCM to determine applicability of VS2017 updates hosted on Microsoft Update Catalog & WSUS.

Security Advisory Notices

• Diagnostics Hub Standard Collector Service Elevation of Privilege Vulnerability
• Diagnostics Hub Standard Collector Service Elevation of Privilege Vulnerability
• .NET Core Denial of Service Vulnerability

Database collations

The default collation for a database can now be specified in the EF model.
This will flow through to generated migrations to set the collation when the database is created.
For example:

 modelBuilder.UseCollation("German_PhoneBook_CI_AS");

What’s new?
Reloadable endpoints via configuration for Kestrel

Kestrel now has the ability to observe changes to configuration passed to KestrelServerOptions.Configure and unbind from existing endpoints and bind to new endpoints without requiring you to restart your application. 

• Fixed issue when using HotRestart to deploy iOS application.
• Fixed and issue where Xamarin.iOS fails to build with MessagingRemoteException.
• Fixed an issue which would place constant-initialized static local 'const' variables in 'inline' functions which were previously dynamically-initialized in the read-only data segment. This can cause compatibility issues when linking against OBJs compiled with older toolsets.
• Fixed a build error in Xamarin.Android projects that could be encountered when Android layout files contain certain characters.
• Fixed an issue with .resx localization at runtime for Xamarin.Android applications.
• C++ IntelliSense vcpkgsrv.exe frequently crashes with set_parent_scope_on_push.
• Fixed WMI Provider component installation failure.
• Fixed a crash in some cases when displaying the Quick Info tooltip for C++ code.
• Fixed a crash when closing Visual Studio.
• Adds Xcode 11.5 SDK support
• Removes abstract modifier to BGTask