PopStateEvent should not be cancelable by default: - https://github.com/web-platform-tests/wpt/pull/11355 - https://html.spec.whatwg.org/#history-traversal All other browsers agree with the specification.
Created attachment 342227 [details] Patch
Comment on attachment 342227 [details] Patch Clearing flags on attachment: 342227 Committed r232610: <https://trac.webkit.org/changeset/232610>
All reviewed patches have been landed. Closing bug.
<rdar://problem/40921907>
Mass move bugs into the DOM component.