These readings represent linguistic options for this verb (forms I and IV, respectively), and are identical in meaning. *NB: Abū Jaʿfar and Ibn Kathīr pronounce the final ya' with fatḥah, like Nāfiʿ.
He has revealed to you ˹O Prophet˺ the Book in truth, confirming what came before it, as He revealed the Torah and the Gospel
Explication
These readings represent linguistic options for this verb (forms I and IV, respectively), and are identical in meaning. *NB: Abū Jaʿfar and Ibn Kathīr pronounce the final ya' with fatḥah, like Nāfiʿ.