Structured data in earlier versions of ASP.NET meant creating and registering custom types and configuration sections for our applications. In ASP.NET Core and in Core MVC, structured configuration is a breeze with support for JSON documents as the storage mechanism and the ability to flatten hierarchies into highly portable keys.

SharpLab (previously known as TryRoslyn)

SharpLab is a .NET code playground that shows intermediate steps and results of code compilation

Languages

SharpLab supports three source languages:

1. C#
2. Visual Basic
3. F# 

Issues Fixed in 15.9.16

• Assembly does not match code for function
• System.InvalidProgramException: Common Language Runtime detected an invalid program. when instrumenting x64 projects
• Cross-EH mode inlining of noexcept code produces unexpected behavior
• Corrected issue with HTML Help Workshop failing to repair.

Security Advisory Notices

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

There has never been a better time to be a .NET developer, you can now build Android, iOS, Linux, Mac, and Windows applications with .NET all in Open Source. In this session we will run through some of the new innovations including the .NET Framework updates, .NET Standard, Universal Windows Platform updates, .NET Core, managed languages and more. We will also review the updates to Visual Studio and Visual Studio Code to make you a better developer, come see some of the latest productivity features in these tools including managing code style, searching your source and more.
 

a new site for browsing nuget packages. It is my best attempt to build a tool to help you both discover new packages and to dig in deep to learn them once found.

PowerShell Core is a cross-platform (Windows, Linux, and macOS) automation and configuration tool/framework 

REST Client allows you to send HTTP request and view the response in Visual Studio Code directly.