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Normalize DOM names and attribute namespaces - #677

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olavoasantos wants to merge 1 commit into
remove-slot-without-resurrectionfrom
normalize-dom-namespaces
Open

Normalize DOM names and attribute namespaces#677
olavoasantos wants to merge 1 commit into
remove-slot-without-resurrectionfrom
normalize-dom-namespaces

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@olavoasantos

@olavoasantos olavoasantos commented Sep 2, 2026

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Summary

  • Normalize DOM names and attribute namespaces.
  • Add focused regression coverage for the corrected behavior.

Stack

The restack preserves upstream attribute MutationObserver records alongside namespace-aware custom-element reactions.

Validation

Fresh GitHub CI on restacked head 2a58ded passes:

  • lint;
  • type-check and build;
  • unit tests with coverage;
  • bundle-size checks;
  • Playwright end-to-end tests;
  • the classified Web Platform Test suite.

@olavoasantos
olavoasantos force-pushed the normalize-dom-namespaces branch from 94c9a42 to 832eab2 Compare September 3, 2026 15:29
@olavoasantos
olavoasantos changed the base branch from validate-custom-elements to remove-slot-without-resurrection September 3, 2026 15:30
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