The .NET 3.1 SDK (Software Development Kit) was a landmark release in the evolution of Microsoft’s developer platform. Launched in December 2019, it served as the definitive Long-Term Support (LTS) version of .NET Core before the platform transitioned to the unified ".NET" branding (starting with .NET 5).
While it reached , it remains a critical legacy framework for maintaining older enterprise applications. Key Features and Technical Highlights .net 3.1 sdk
The .NET 3.1 SDK was essentially a refinement of version 3.0, focusing on stability and polishing the transition for developers moving from the older .NET Framework to the modern, cross-platform world. NET and .NET Core official support policy .net 3.1 sdk