Video not stretched and not upsacaled in Firefox last version

[trimechee]

Hello, i play this video with the last Firefox 116 but the video is not stretched and not upscaled :

https://french-anime.com/animes-vf/1275-zom-100-zombie-ni-naru-made-ni-shitai-100-no-koto.html

edit : false alarm, it's a matter of director's choice