RESOLVED FIXED299580
Introduce an event when attaching a shadow root to an element 
https://bugs.webkit.org/show_bug.cgi?id=299580
Summary Introduce an event when attaching a shadow root to an element
Ryosuke Niwa
Reported 2025-09-25 19:22:30 PDT
We should introduce a new DOM event which gets fired whenever we're attaching a shadow root to an element.
Attachments
Add attachment proposed patch, testcase, etc.
Ryosuke Niwa
Comment 1 2025-09-25 19:26:17 PDT
Pull request: https://github.com/WebKit/WebKit/pull/51362
Radar WebKit Bug Importer
Comment 2 2025-10-02 19:23:11 PDT
<rdar://problem/161865697>
EWS
Comment 3 2025-10-03 15:49:30 PDT
Committed 300975@main (a1eb40279d6b): <https://commits.webkit.org/300975@main> Reviewed commits have been landed. Closing PR #51362 and removing active labels.
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