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🙊 from your own linked issue: "The API is called the View Transitions API, which you use to create View Transitions."

Is it possible for multiple elements to share a single snapshot? In lists, having 50 separate snapshots doing the same animation seems far heavier than using one shared snapshot for all. Doing grouping using DOM requires reflow :(

Not sure if I understand the question correctly, but if you set the view transition name on the list and do not have view transition names on the list elements, there will only be one snapshot for the whole list.

Yes, but if you insert/remove an item into it and want others to animate, doing that for each item separately is very unoptimized. In this simple card demo style recalc on each frame grows from 0.2ms for 5 items to 3ms for 75 items view-transitions.chrome.dev/cards/spa/

To be clear: it's only when talking about the API when you should be using the singular form. It's still perfectly fine to say things like “The site uses View Transitions” or “The View Transitions specification”.