Microsoft Claims 2 of Top 5 Open Source Projects in GitHub  

How Microsoft rewrote its C# compiler in C# and made it open source 

BenchmarkDotNet v0.10.13 has been released! This release includes:

• Mono Support for DisassemblyDiagnoser: Now you can easily get an assembly listing not only on .NET Framework/.NET Core, but also on Mono. It works on Linux, macOS, and Windows (Windows requires installed cygwin with obj and as). (See #541)
• Support ANY CoreFX and CoreCLR builds: BenchmarkDotNet allows the users to run their benchmarks against ANY CoreCLR and CoreFX builds. You can compare your local build vs MyGet feed or Debug vs Release or one version vs another. (See #651)
• C# 7.2 support (See #643)
• .NET 4.7.1 support (See 28aa94)
• Support Visual Basic project files (.vbroj) targeting .NET Core (See #626)
• DisassemblyDiagnoser now supports generic types (See #640)
• Now it's possible to benchmark both Mono and .NET Core from the same app (See #653)
• Many bug fixes (See details below) 

“Microsoft.Data.Sqlite“, is an open source library and is also available as NuGet package. Here’s the Github source code for reference.  

DuoCode is an alternative compiler, powered by Microsoft® Roslyn, and integrated in Visual Studio.

It magically cross-compiles your C# 6.0 code into high-quality readable JavaScript code, enabling rapid development of web applications utilizing the extensive features of the C# language, the Visual Studio IDE, and the .NET Framework base class libraries. 

• 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