Rider 2021.2: Support for ASP.NET Core Endpoints, Blazor WebAssembly Debugging, and More | The .NET Tools Blog 

New .NET Core 2.1 and ASP.NET Core 2.1 APIs

Why you should join .NET Core and ASP.NET Core train 

.NET Core 5 is open source on GitHub
Microsoft will support .NET Core 5 on Windows, Linux and Mac.
Microsoft has contributed .NET Core 5 to the .NET Foundation
.NET Framework 4.6 reference source now uses the MIT license
Renewed collaboration with the Mono Project

One of my favorite aspects of ASP.NET Core is that it is truly cross platform. And this extends to the developer experience as well. This videos discusses and demonstrates getting started with testing ASP.NET Core MVC applications using the cross-platform tools with the .NET Core SDK,  

ASP.​NET Core and Angular2 - Part 2 

ASP.NET Core architect, David Fowler, supported by .NET Program Manager, Jon Galloway, will talk through their current thinking for the future of ASP.NET Core, beyond 2.0. Topics include the potential features of Kestrel, SignalR, and MVC as ASP.NET Core evolves beyond its current HTTP-only focus.

Welcome to .NET 8! The first preview is ready for you to download: claim your copy of the first .NET 8 preview and start building applications today. Scroll down to see the list of features included in this preview. .NET 8 is a long-term support (LTS) release. This blog post covers the major themes and goals that drive the prioritization and selection of enhancements to develop. .NET 8 preview and release candidate builds will be delivered monthly. As usual, the final release will be delivered sometime in November at .NET Conf. 

[Required] and [BindRequired] in ASP.NET Core MVC