I support the .NET 2.0 library, and recently, users have started asking for the version of .NET 4.
I could just duplicate an existing project in Visual Studio, install Target Frameworkin .NET Framework 4.0and do with it, but is there a difference between the .NET 2 and .NET 4 assemblies running under .NET 4?
I mean, will it change anything if I just rebuild the same source code for .NET 4? Is it expected that I will have a unit test suite for .NET 2 and .NET 4?
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