Preview 1 of ASP.NET MVC 5.2.4, Web API 5.2.4, and Web Pages 3.2.4 Released

Microsft has today rolled out the Preview 1 of ASP.NET MVC 5.2.4, Web API 5.2.4, and Web Pages 3.2.4 on NuGet with a few new features and a couple of bugfixes. The new features focus on enabling .NET Standard support for the ASP.NET Web API Client.

As per the release notes, the following are the updates



  • Target .NET Standard 2.0 in System.Net.Http.Formatting
  • Add FormUrlEncodedMediaTypeFormatter to client formatting assemblies
  • DefaultBodyModelValidator extensibility


Bugs Fixed


  • Update package project URLs to use HTTPS scheme
  • Html.AntiForgeryToken() adds duplicate X-Frame-Options headers if called more than once
  • Fix null ref in DefaultControllerFactory ”


Additionally, the Preview 1 will add support for .NET Standard 2.0 to the ASP.NET Web API Client, which means that the Web API client can then be used by any .NET platform that supports .NET Standard 2.0, including cross-platform ASP.NET Core apps.

You can update each of the packages, using the following commands from the NuGet Package Manager Console.


  1. Install-Package Microsoft.AspNet.Mvc -Version 5.2.4-preview1  
  2. Install-Package Microsoft.AspNet.WebApi -Version 5.2.4-preview1  
  3. Install-Package Microsoft.AspNet.WebPages -Version 3.2.4-preview1  
For more details and a demonstration, please go through the official announcement


Up Next
ASP.NET Core 2.0 Preview 2 Released