Fire for me is on 18.104.22.1681 (master).
I'm running it on a C# / .NET Windows environment, importing the 3
generated DLLs, Echoes.dll, Swift.dll and ClassLibrary.dll.
And you're probably creating a console application and running on your Mac,
which also works for me.
What I'm trying to do is create a ClassLibrary in order to import the DLLs
into another project (that has nothing to do with Silver, Swift or Fire).
Building on Fire works fine, I get a runtime error on Windows when I call
Obs.: I also tried buying a support ticket, but got a server error.