Yes, thanks to the open source H.264 codec from Cisco. This is about open source options and I think Firefox&#x27;s decisions are completely valid.<p><a href="https:&#x2F;&#x2F;gigaom.com&#x2F;2014&#x2F;10&#x2F;14&#x2F;h-264-support-arrives-in-firefox-thanks-to-cisco-but-h-264-web-videos-still-wont-play&#x2F;" rel="nofollow">https:&#x2F;&#x2F;gigaom.com&#x2F;2014&#x2F;10&#x2F;14&#x2F;h-264-support-arrives-in-firef...</a>