Fix your app!
Unable to cast from IPad/audio issues
Update: Revising my review as Xfinity provided an update to the IPad app fixing the Chromecast issue. Finally able to watch on my tv again. I was having issues with audio cutting out while watching on the IPad but I haven’t noticed it while casting.
Response from developer
We're happy to announce that we've successfully addressed the issue where the list of available Chromecast devices would disappear after tapping the Cast button in the latest 7.16.0 release. Your feedback is invaluable to us, and we appreciate your patience as we worked to address this issue. Happy Streaming!