SpecFlow currently supports the Microsoft .NET Platform with a .NET 4.5 runtime assembly (
TechTalk.SpecFlow.dll). This assembly is also suitable for .NET 4.5.2 and .NET 4.6 applications.
For testing applications using .NET 3.5 or .NET 4.0, we recommend using SpecFlow v1.9.
.NET Core is not yet supported, but we are working on it.