It’s any Youtube embedded video, I just happen to use it on my feeds eg https://newsblur.com/site/7228645/ferrari
If you check out https://www.iclarified.com/100337/apple-drops-first-teaser-for-for-all-mankind-spinoff-star-city-video you will see it’s the same activity. It’s even doing it on my personal holiday blog / site that I haven’t touched in forever, so it’s the https://www.youtube.com/embed/ embedded thing thats changed.