The Apostolic Penitentiary, formerly called the Supreme Tribunal of the Apostolic Penitentiary, is a dicastery led by the Major Penitentiary of the Roman Curia and is one of the three ordinary tribunals of the Apostolic See. From Wikipedia
The newly elected pope extends a plenary indulgence to faithful in St. Peter's Square and remote participants, marking his first significant exercise of papal authority during Jubilee 2025.