For the first time, the core IDE itself was built with the same UI framework developers used to build apps.
Web Config Transformation: Allowed developers to automatically change configuration settings between Debug and Release modes. visual studio 2010 tools
One of the most notable "tools" was the IDE itself. Because the interface was rebuilt using WPF, it became highly extensible. For the first time, the core IDE itself
Using Visual Studio 2010 in a modern context is mostly limited to maintaining legacy or WPF applications targeting .NET Framework 4.0 . Because the interface was rebuilt using WPF, it
This allows architects to define the intended structure of the system (e.g., defining that the UI layer should not talk directly to the Database layer). You can draw the diagram and then validate the code against it to ensure architectural rules are not being violated.