January 26th 2017
By Mike Flaminio
9 to 5 Mac:
With today's added support for Single Sign-On, users no longer have to independently sign into the HBO Go app with their cable provider. Instead, the app will use the cable credentials saved in your Settings, allowing you to quickly get started with streaming content.
To use the Single Sign-On function, your cable provider still need to be supported. If your provider isn't participating with Apple's Single Sign-On function, those won't help you much.
Also, HBO Go added support for Apple's TV app. The TV app is portal for TV content that Apple TV things you would like to watch.