The AOM AV1 decoder performs better nowadays. Also it seems hardware-accelerated decoders are appearing, so we should check for this as well.
Created attachment 454359 [details] Patch
Committed r291155 (248315@main): <https://commits.webkit.org/248315@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 454359 [details].
<rdar://problem/90155324>