Mozilla recently announced the release of Firefox 37 which comes with many new features. One of the most important features is native support for HTML 5. The new Media Source Extensions API that has been enabled allows native HTML5 playback on YouTube, essentially with this there is no need for Flash to use YouTube as everything should work correctly including live video.
The flip side is, as usual the feature is available for Mac and Windows users only. Unfortunately the MSE API hasn’t been enabled for Linux users who arguably needed it most given that half of us don’t run Flash and the half that do no longer get major Flash updates.
If you are a Linux user, you have to do that extra work to get things going.
Let’s get started.
Open Firefox and go to about:config page. Then press the button which says “i’ll be careful, I promise”.
Then in the search box type media.media and hit enter. From the long list, look for the following and toggle them all to ‘true’:
Be sure to leave the following set to false:
Now visit the HTML5 page of YouTube and ensure that all items are ‘blue’ and not ‘red’.