Without Warning is a collaborative studio album by rapper 21 Savage, American rapper Offset, and American record producer Metro Boomin. The album was released on October 31, 2017, by Slaughter Gang, Epic Records, Quality Control Music, Motown, Capitol Records, Boominati Worldwide, and Republic Records. It features guest appearances from Travis Scott and Quavo. Meanwhile, the album's production was handled primarily by Metro Boomin, alongside Bijan Amir, Cubeatz, Dre Moon, and Southside.