В .NET Core 3.0 будет три варианта деплоймента десктопных приложений
https://dzone.com/articles/3-ways-to-deploy-a-winforms-or-wpf-net-core-applic
https://dzone.com/articles/3-ways-to-deploy-a-winforms-or-wpf-net-core-applic
DZone
Three Ways to Deploy a WinForms or WPF .NET Core Application
In this post, we discuss how to deploy WinForms or WPF .NET core applications with Framework-dependent deployment, self-contained deployment, and Visual Studio.