Apple has released tvOS 9.1.1, an update to the operating system of the fourth get Apple TV. It adds a new Podcasts app, as well as includes the usual bug fixes and performance tweaks. 

The Podcast app will allow owners of the fourth gen Apple TV set-top box to listen to podcasts via iTunes. The app automatically synchronizes subscriptions via iCloud.

tvOS 9.1.1 can be downloaded via the Settings app on the fourth-generation Apple TV. Go to the System app, then to Software Update (under the Maintenance subhead.)