The ':focus-visible' pseudoclass was unprefixed in Bug 221895. We should enable it by default, and move it from Experiment Features to standard settings.
<rdar://problem/86218583>
Created attachment 446547 [details] Patch
Comment on attachment 446547 [details] Patch R=me
Committed r286783 (245024@main): <https://commits.webkit.org/245024@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 446547 [details].