C# 7 is a major update with a lot of interesting new capabilities. And while there are plenty of articles on what you can do with it, there aren't quite as many on what you should do with it. Using the principles found in the .NET Framework Design Guidelines, we're going to take a first pass at laying down strategies for getting the most from these new features. 

Here’s a summary of what’s new in this preview release:

• ASP.NET Core support for native AOT
• Server-side rendering with Blazor
• Render Razor components outside of ASP.NET Core
• Sections support in Blazor
• Monitor Blazor Server circuit activity
• SIMD enabled by default for Blazor WebAssembly apps
• Request timeouts
• Short circuit routes 

 show how easy it is to add real-time functionality to your web applications using ASP.NET Core SignalR. They discuss topics such as targeting with clients, SignalR transports, and options for running your SignalR application in the cloud.

Now, you can even leverage the Hub protocol spec is the available on GitHub if you're interested in creating your own SignalR client.

ASP.NET Core Identity is Microsoft’s membership system widely known to .NET developers for managing application users. 

Convert images to WebP with ASP.NET Core - Better than png/jpg files? 

.NET Core 1.1.1 was released today. Both releases include reliability updates to improve the quality of .NET Core. You can download the .NET Core Runtime releases via our .NET Core Runtimes download page. If you are looking for the .NET Core SDK, to get the latest tools, try the .NET Core SDK download page.