Microsoft has released a new update for ASP.NET MVC 3 named  ASP.NET MVC 3 Tools Update. ASP.NET MVC 3 Tools Update won’t update the MVC 3 runtime and it  only updates the tooling for ASP.NET MVC 3. ASP.NET MVC 3 Tools Update is also includes the NuGet 1.2 version. You can download the ASP.NET MVC 3 Tools Update from here.

Changes in ASP.NET MVC 3 Tools Update

• New Intranet Project Template for  Windows Authentication.
• HTML 5 checkbox to enable HTML 5 versions of project templates.
• "Add Controller" dialog box can now scaffold controllers with views and data access code.
• Project templates now include Modernizr 1.7
• Project templates include updated versions of jQuery (jQuery 1.5.1), jQuery UI (jQuery UI 1.8.11), and jQuery Validation (jQuery Validation 1.8) .
• Project templates now include ADO.NET Entity Framework 4.1 as a pre-installed NuGet package.
• Project templates include JavaScript libraries as pre-installed NuGet packages.

The below screen shot shows the new ASP.NET MVC 3 project dialog box

The below screen shot shows the new add controller dialog box

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