Релиз .NET Core 3.0 все ближе, говорят о нем все больше
https://www.theregister.co.uk/2019/07/30/microsoft_releases_go_live_net_core_3_preview_complete_with_desktop_app_support/
https://www.theregister.co.uk/2019/07/30/microsoft_releases_go_live_net_core_3_preview_complete_with_desktop_app_support/
www.theregister.co.uk
Microsoft drops 'Go Live' preview of .NET Core 3, complete with desktop app support
Fit for production if you are brave, but no Windows Forms designer yet