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2386] mp4 videos are translated offscreen in fullscreen after scrolling (4K Stick/Stick gen 2) · Issue #2540 · mozilla-mobile/firefox-tv · GitHub
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Does Firefox not support mp4 video on websites? | Firefox Support Forum | Mozilla Support
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Firefox 35.0 launches with new Hello video chat and MP4 playback on Mac - Gear | siliconrepublic.com - Ireland's Technology News Service
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MP4 files won't work in Firefox | Firefox Support Forum | Mozilla Support
How to enable MSE & H.264 support on YouTube for Firefox right now - gHacks Tech News
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