About ChromeCast, where can we find the updated version of ChromeCast Plugin?

We have been searching solutions about using Chromecast to casting Unity applications for out working project, but the version of Chromecast plugin was too old that seems it doesn't work for the Unity 2017/2018. Where can we get the newest version of the plugin that works for Unity 2017/2018? Is it possible for us to using chromecast to cast the Unity application to Screen / TV anymore in the newest Unity 2017/2018?