Visual Studio 2015 Razor View MVC Types not recognized

Question

I installed Visual Studio 2015 and rebooted. The \"MVC\" types are not recognized in 2015 but are still recognized in 2013. This is my \"Views\" web.config:

Answer 1

I discovered that I needed to bump the version for the assemblies dealing with the config sections to 3.0.0.0 in the Views/Web.config file:

They were previously all 2.0.0.0.