--- title: "ASP.NET Core docs: What's new for March 1, 2021 - March 31, 2021" description: "What's new in the ASP.NET Core docs for March 1, 2021 - March 31, 2021." ms.date: 04/01/2021 --- # ASP.NET Core docs: What's new for March 1, 2021 - March 31, 2021 Welcome to what's new in the ASP.NET Core docs from March 1, 2021 through March 31, 2021. This article lists some of the major changes to docs during this period. ## Blazor ### Updated articles - - Implement C# 9 target-typed expressions in the code samples - - Improve readability of Blazor Prerendering and Integration content - - Blazor generic type cascading feature - Improve readability of Blazor Templated Components doc - - Improve readability of Blazor Lifecycle doc - - Improve readability of Blazor Event Handling doc - - Improve readability of Blazor Data Binding doc ## Client-side development ### Updated articles - - Remove BundlerMinifier package and Bundler & Minifier VS extension references from doc ## Data access ### Updated articles - - Update tutorial for ASP.NET Core 5.0 and EF Core 5.0 best practices and the new EF Core 5.0 [Many to many relationships](/ef/core/modeling/relationships#many-to-many) ## Fundamentals ### Updated articles - - Update Razor components class library guidance for ASP.NET Core 5.0 ## gRPC ### New articles - - Split gRPC supported platforms doc into hosting services and calling services sections - - Add transient fault handling doc for gRPC retries ## Hosting and deployment ### Updated articles - - Update health checks content and sample app for ASP.NET Core 5.0 ## Security ### Updated articles - - Improve readability of Key Vault .NET configuration provider doc ## Community contributors The following people contributed to the ASP.NET Core docs during this period. Thank you! Learn how to contribute by following the links under "Get involved" in the [what's new landing page](index.yml). - [poornimanayar](https://github.com/poornimanayar) - Poornima Nayar (7) - [ajbeaven](https://github.com/ajbeaven) - Andrew Beaven (1) - [carlreinke](https://github.com/carlreinke) - Carl Reinke (1) - [codybartfast](https://github.com/codybartfast) - John Donnellan (1) - [Dean-NC](https://github.com/Dean-NC) (1) - [dharmatech](https://github.com/dharmatech) (1) - [ericmutta](https://github.com/ericmutta) - Eric Mutta (1) - [fiyazbinhasan](https://github.com/fiyazbinhasan) - Fiyaz Bin Hasan (1) - [jo-ninja](https://github.com/jo-ninja) - Joni (1) - [mayuki](https://github.com/mayuki) - Mayuki Sawatari (1) - [ndc](https://github.com/ndc) - Endy Tjahjono (1) - [Piotr-Dataedo](https://github.com/Piotr-Dataedo) - Piotr Kononow (1) - [Trident30](https://github.com/Trident30) (1) - [weijiechai](https://github.com/weijiechai) - Chai Wei Jie (1)