Re: [whatwg/dom] Set registry on null registry element on adopt instead of on insert (PR #1423)

@ja-y-son commented on this pull request.



> +     <li>
+      <p>If <var>inclusiveDescendant</var> is a <a for=/>shadow root</a>:
+
+      <ol>
+       <li><p>if <var>inclusiveDescendant</var>'s <a for=ShadowRoot>custom element registry</a>
+       is null or <var>inclusiveDescendant</var>'s <a for=ShadowRoot>custom element registry</a>'s
+       <a for=CustomElementRegistry>is scoped</a> is false, then set
+       <var>inclusiveDescendant</var>'s <a for=ShadowRoot>custom element registry</a> to
+       <var>document</var>'s <a>effective global custom element registry</a>.

Makes sense, I put "keep custom element registry" back and check it during node adoption. It seems like we're missing some WPT coverage on the behavior of "keep custom element registry". Will add it.

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Received on Monday, 24 November 2025 20:04:28 UTC