You probably watched this part, but in case you never did, here it is https://youtu.be/c-ha0JF_VHw?t=460
It's called the uthmanic "revision" https://en.wikipedia.org/wiki/Uthman#Compilation_of_the_Quran
>In about AD 650, Uthman began noticing slight differences in pronunciation of the Quran as Islam expanded beyond the Arabian Peninsula into Persia, the Levant, and North Africa. In order to preserve the sanctity of the text, he ordered a committee headed by Zayd ibn Thabit to use caliph Abu Bakr's copy and prepare a standard copy of the Qur'an.[4][33] Thus, within 20 years of Muhammad's death, the Quran was committed to written form. That text became the model from which copies were made and promulgated throughout the urban centers of the Muslim world, and other versions are believed to have been destroyed.[4][34][35][36]
It's a fucking big deal, as opposed to what wiki paints as a mere copy and paste
The quran is basically the arab version of mao's little red book, it's a literal state fabrication
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