Unfortunately I can’t help much at this point. people helping on forums are much more knowledgeable, having gone through Steam dedicated server process themselves (we can’t test much here without a fake greenlit project, which is not a possibility at this point). I will ping developers again on Monday to see if they have any bandwidth to help, but since it does not appear to be a bug and is instead likely a setup issue, I don’t know what to expect. I will let them know situation.
In meantime, if you’d like to send a download link to a zipped copy of project to me via PM on forums, I’d be happy to take a look and, if they can spare time, make it available to devs. You can reach me here:
In meantime, I recommend continuing discussion with forums folks, and answering any questions they might have for you. It’s not impossible that one of them might be able to look at your project as well to offer insight, though obviously I could not promise anything in that regard.
I will keep this post open and unresolved for now so I can keep tracking it and forums post.