iOS 9.3 is coming in the Spring and will introduce Night Shift as well as a number of other new features.
Apple in Talks with Sony about Blu-ray Drives
Apple, however, has not yet shipped any high definition drives with any of their computers. They've instead focused on distributing digital content through their iTunes Store.
With the demise of the HD-DVD format, it seems only a matter of time before Apple adopts Blu-ray drives in their machines.