Steam overlay without the subsystem

Is there any way to use the Steam game overlay and all steam api features without the steam subsystem?
I’m trying to create a game to work with a non steam dedicated server.
I want the game to be connected to steam - yet I don’t want it to use steam sessions because the dedicated server works on the Null subsystem.

Am I doing it wrong?
Is there any way to be connected to steam but to use dedicated servers without steam?

When I try to connect a Steam subsystem packaged game to my non steam dedicated server - I get a “Build mismatch” error.

when both of them using the “-nosteam” it is working.

Thank you in advance!

Can anyone help with this i am having the same problem.

Basically, all i want is the steam player name and friends list from steam, that’s all. I have my own dedicated server set up. The problem is like he said above, we cant join the dedicated server because of the steam subsystem. Is there a work around?

i can join my dedicated server no probelm if i set

[OnlineSubsystem]
DefaultPlatformService=null

But i lose the steam name on my main menu and get the desktop name instead.