Great news as it will make my testing of Chromcast a lot easier: http://blog.roonlabs.com/chromecast-support-in-roon/
Roon now streams to any Chromecast device! This includes the Google Home family of smart speakers, Chromecast and Chromecast Audio receivers, and a wide range of third party products. In addition to Roon Ready, AirPlay, Sonos, Linn, Devialet AIR, Squeezebox, and other network audio products, this new features boosts the number of Roon-compatible devices into the thousands.
Roon now streams to any Chromecast device! This includes the Google Home family of smart speakers, Chromecast and Chromecast Audio receivers, and a wide range of third party products. In addition to Roon Ready, AirPlay, Sonos, Linn, Devialet AIR, Squeezebox, and other network audio products, this new features boosts the number of Roon-compatible devices into the thousands.