My Visual Studio Ultimate 2013 Update 4 does not compile ASP.NET MVC 5 views.
Compilation errors are spotted on views sporadically, although compilation is always su
Does your project include the target and hook into after build event? Try msbuild WebApplication1.csproj /t:MvcBuildViews from command line, it'll check that you have both default property set and target defined.
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Try creating a blank MVC project from within the VS2013U4 and compare the csproj to yours.