Debate: Has the Qur’an Been Changed

Once of the central claims in Islam is the immutability of the Qur’an. It is repeatedly asserted that what was given to Muhammad is exactly what is found in copies of today’s Arabic Qur’an.

I’ll be writing about it myself once I’ve finished reading the Qur’an, but in the meantime, here’s a very detailed debate focussing on this very question:

What are your thoughts about this article?