Video flashes black when switching back to a tab https://www.apple.com/homepod/
<rdar://problem/32771561>
Created attachment 312912 [details] Patch
Comment on attachment 312912 [details] Patch Clearing flags on attachment: 312912 Committed r218291: <http://trac.webkit.org/changeset/218291>
All reviewed patches have been landed. Closing bug.