Quranic textual history? Yes sir.

It is commonplace among Muslims to argue/suggest that the Quran has no "textual transmission" because what Muhammad received from Allah was simply written down and kept untouched thence forward. Because of this staunch religious belief, very little work has been done on the textual history of the Quran. (In fact, there were so many different early manuscripts that one leader had all manuscripts but one burned.)

There is a recent dissertation that examines the textual history of the Quran. Larry Hurtado offers some good thoughts: