And .Net 5 will be the release after .Net Core 3, so I assume they won't go ahead and remove the feature for it.
[1] https://github.com/dotnet/coreclr/issues/20287#issuecomment-...
> Starting with .NET Core 2.2, you can deploy your app as an FDE, along with any required third-party dependencies. Your app will use the version of .NET Core that's installed on the target system.
> Your app can be run by calling the published executable without invoking the dotnet utility directly.