Can you talk more about this… I was under the impression that was the EXPLICIT reason [1] why it was added in the first place or did I misread your comment?

It’s also something the Lit team uses like here: https://www.npmjs.com/package/@lit-labs/router

I think maybe we are just debating the data structure the hold the patterns? Like it should be a trie rather than say a Set or Map.

[1] https://developer.chrome.com/docs/web-platform/urlpattern