7 Days to Die has just released the 1.0 experimental release. Follow this to know how to update your server to it.
Ok so go to Configuration > SteamCMD and Updates and in the Release Stream box put latest_experimental and then update your server to get the 1.0 experimental download for the server.
Now maps might need to get wiped if your going to this release so it is recommended to start up a new instance.