“With every subsequent release, .NET Core continues to improve with greater levels performance, security and new features that help enhance developer workflow. In .NET Core 3.0, developers will see tons of improvements around our capabilities to build Cloud, Web, IoT, and Machine Learning applications. One of the biggest enhancements will also be support for Windows desktop applications (Windows only).”
Source: How to port desktop applications to .NET Core 3.0 | On .NET | Channel 9
Lars Fosdal 