Saving in the editor sometimes have no effect

[infernal1800]

I dont know about steam version but i use the editor that is found in folder of the game. Did you finish editing your campaign? you can share it with the public so we can help you out

[Shadaoe]

I don't know, I have to redo everything I did so I'll see :p
But if I come to something playable, I'll of course share it !