Cook confirms news at WWDC keynote.

Tim Cook began his Monday WWDC keynote by confirming a major app finally coming to Apple's TV line: Amazon Prime Video.

"Amazon is coming to the TV app in all Apple TVs later this year with Amazon Prime Video," Cook told the WWDC keynote crowd. This confirms rumors that began circulating in May about Amazon's video-streaming service finally landing on Apple's TV ecosystem.

Cook did not confirm whether the other half of the May rumor—that Apple TV will return to Amazon's virtual store shelves—will come true.