I am fairly sure that if this uses yt-dlp with the default options it will grab whatever is the highest available resolution video (and most modern codec) and m

I am fairly sure that if this uses yt-dlp with the default options it will grab whatever is the highest available resolution video (and most modern codec) and merge it with the highest quality available audio track. same as just "yt-dlp https://url-of-video https://url-of-video" from a CLI