More importantly, 4.0 added native support for service discovery (WS-Discovery) and WebSocket support (via NetTcpBinding ), paving the way for real-time communication in enterprise environments. It was Microsoft’s answer to the rising tide of SOA (Service-Oriented Architecture), ensuring that .NET remained the platform of choice for backend services.
Yet, these criticisms fade in the face of its impact. .NET Framework 4.0 marked the maturation of the Windows development platform. It took the chaos of multi-core computing and the complexity of enterprise architecture and made them manageable. net 4.0 framework