Visual Studio 2013 and .NET Framework 4.5.1 are released with tons of improvements in ASP.NET. ASP.NET MVC, EntityFramework and others.
Some notable updates:
- On new project screen, you can choose if you want ASP.NET, Web API or MVC references. In VS 2012, those were added by default.
- Default template for a website is based on Bootsrap; also looks a lot better.
- Out of the box intellisense support for AngularJS attributes.
- A brand new membership system
- Attribute routing
- ASP.NET MVC 5
- EntityFramework 6
More details on Scott Guthrie's announcement.