Re: [whatwg/dom] attachShadow default custom element registry (Issue #1407)

justinfagnani left a comment (whatwg/dom#1407)

> Before scoped registries it would also inherit the registry. So I think it makes sense to stick with that model.

Before scoped registries it uses the global registry. It just so happens that both the host and it's shadow DOM use the same registry because there is only one.

If the shadow root inherits the host's registry is _will_ break elements.

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Received on Tuesday, 30 September 2025 15:43:07 UTC