There is only one Quran. Perhaps you are referring to differences in line or page numbering?
And you will get the same answer from any of the multitude of non-Muslim professors in Islamic Studies faculties from universities throughout the non-Muslim world.
And in other news, no - the world is NOT flat. That myth was also debunked, long ago.
Mods - this is a blatent attempt to drag what is an interesting thread into the realm of Islamophobia and the resultant mud slinging that comes with it. Isn't there anything you can do to nip this sort of nonsense in the bud?
https://yaqeeninstitute.org/read/paper/the-origins-of-the-va...