After 7.5 months of tweaking, reviewing, and rewriting, the docs for Scroll-Triggered Animations have landed on @mdn (MDN)!

→ https://developer.mozilla.org/en-US/docs/Web/CSS/Guides/Animation_triggers/Using_scroll-triggered_animations

Congrats and thanks to @chrisdavidmills and @estelle for their hard work and sweating the details on this!