It is important to note that .NET Framework 4.0 is currently . Microsoft ended support for it on January 12, 2016.
The DLR added a new layer to the CLR that supported dynamic languages like IronPython and IronRuby. For C# developers, this introduced the dynamic keyword, which deferred type checking until runtime. This made it significantly easier to interact with dynamic APIs and Office Automation (like Excel and Word). 3. Managed Extensibility Framework (MEF) net. framework 4.0
// Parallel for loop Parallel.For(0, 100, i => It is important to note that