The standardization and compilation of the Holy Quran into a single, authoritative Mushaf to resolve dialectal differences was primarily undertaken during the caliphate of which Companion?

Explanation

While the initial compilation of the Quran into a single volume (Mushaf) occurred during Abu Bakr's caliphate, it was Uthman ibn Affan (RA) who ordered the standardization of the Mushaf to ensure uniformity and prevent disputes over different recitations.