: This signifies that the file was losslessly "downloaded" from an online streaming service (like Apple TV or Amazon Prime Video) rather than being ripped and re-encoded from a physical disc.
Because the film was composed for 2.39:1, the open matte version can sometimes feel "too tall," with excessive headroom above actors' heads. Set Anomalies:
that fills modern widescreen TVs without black bars. While the theatrical release used a 2.40:1 Scope ratio, the "Open Matte" version reveals more image at the top and bottom of the frame rather than cropping the sides. Visual Quality & Presentation
"Open matte" refers to a presentation where the black bars (mattes) normally used to create a widescreen theatrical aspect ratio (typically 2.39:1 for this film) are removed. This reveals image data at the top and bottom of the frame that was captured by the camera but originally intended to be hidden.