The app opens but is now blocked on iOS. Seems like something needs to be added but not sure what to add to the plist. Your manual indicates nothing is needed for the iOS version but something has changed. here is the error.
InAppBrowserBridge not found!
2018-10-19 14:09:14.040064-0700 proios[2964:4046949] App Transport Security has blocked a cleartext HTTP (http://) resource load since it is insecure. Temporary exceptions can be configured via your app’s Info.plist file.
I have the latest version of Xcode version 10.0 and the Latest version of unity. Not sure what to do now. It worked fine on android but now I am pushing the update to iOS and its not working. It did work in a previous build with 2017.2 and a older version of Xcode but now im getting this error.