Xbox One Backwards Compatibility Supports Multiple Discs

Despite earlier reports that it may not be possible, Microsoft has found a way to make Xbox One backwards compatibility function with multi-disk Xbox 360 titles.
The news came from Major Nelson himself, via a post on r/xboxone. In fact, the first multi-disk game was added earlier this week, Deus Ex: Human Revolution - Director's Cut.
In a statement to IGN, a Microsoft spokesperson had this to say:
"Deus Ex: Human Revolution Director’s Cut” was the first multi-disc Backward Compatible