Google Chromecast with Google TV is expected to be launched today alongside the new Pixel devices, but some retailers in the US are already selling the device before launch. As a result, the new software and features have been shown off extensively.

source https://gadgets.ndtv.com/tv/news/google-tv-chromecast-interface-apps-content-launch-event-september-30-2303107#rss-gadgets-all