In Time's interview with Apple Senior Vice President of Worldwide Marketing Phil Schiller, he addresses the long-standing question of whether or not Apple will ever jump on the Blu-ray bandwagon. It seems that barring any unforeseen circumstances, you'll likely never see a Blu-ray option from Apple on any machine.
"Blu-ray has come with issues unrelated to the actual quality of the movie that make [it] a complex and not-great technology," Schiller explains. "So for a whole plethora of reasons, it makes a lot of sense to get rid of optical discs in desktops and notebooks."
Of course, with the new, ultra-slim iMac and Retina-equipped MacBooks completely abandoning optical drives, it's clear that the company isn't really a fan of discs in any form. You still have the option of using a third party external Blu-ray drive and software, should you desire, but you'll likely never actually see it as an option from Apple when building your own Mac online.