what annual film festival, which rose byrne and mark coles smith are ambassadors of, opened on august 3, 2023?

The annual film festival that opened on August 3, 2023, and for which Rose Byrne and Mark Coles Smith are ambassadors, is the Melbourne International Film Festival (MIFF). MIFF is the Southern Hemisphere's leading and longest- running film festival, celebrated for its extensive program of international and Australian premieres, retrospectives, and special events. The 2023 edition featured a wide range of films, including the MIFF Premiere Fund-supported debut "Shayda" by Noora Niasari, and showcased works involving both ambassadors, such as Mark Coles Smith’s "Keeping Hope." The festival ran for 25 days in August, highlighting diverse stories including First Nations narratives and female-driven films, and included sensory-friendly screenings and d/Deaf-led events