HTMLMediaElement http-equiv should only not be processed in shadow trees: - https://html.spec.whatwg.org/#attr-meta-http-equiv - https://html.spec.whatwg.org/multipage/infrastructure.html#insert-an-element-into-a-document - https://dom.spec.whatwg.org/#in-a-document-tree Firefox and Chrome already match the specification here.
Created attachment 435298 [details] Patch
Created attachment 435306 [details] Patch
Created attachment 435348 [details] Patch
Comment on attachment 435348 [details] Patch r=me
Committed r280913 (240434@main): <https://commits.webkit.org/240434@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 435348 [details].
<rdar://problem/81798790>