The copy of the Glorious Qur’an in use was standardized during the period of Caliph

The copy of the Glorious Qur’an in use was standardized during the period of Caliph Uthman b. Affan. Uthman realized that there were differences in the way the Qur’an was being recited in different parts of the Muslim empire, which could lead to confusion and disputes. Therefore, he commissioned a committee to produce a standardized copy of the Qur’an, which was based on the recitation of the Prophet Muhammad (SAW) and overseen by the companions who had memorized the Qur’an during the Prophet's lifetime. The standardized copy was then distributed to all parts of the Muslim empire, ensuring the consistency of the text and the correct recitation of the Qur’an.