It looks like you're checking out a digital "IMAX" rip of Christopher Nolan’s 2023 masterpiece. Writing a review for this specific version is a bit of a "good news/bad news" situation because of how the film was made.
In IMAX theaters, select sequences expanded to fill the full 1.43:1 aspect ratio—taller than standard widescreen. Oppenheimer -2023- IMAX 720p BluRay...