Description: Youtube videos do not play. When selecting a video, the user is only shown a message stating "The address wasn't understood". Repro Steps: 1. Update Leo device to 1.1 commercial build 20130711070209. 2. Open the browser app. 3. Go to www.youtube.com 4. Tap on any video to play it. 5. Observe that the video is not played, and a screen displaying the message "The address wasn't understood" is shown instead. Actual: Youtube video plays without issue. Expected: Youtube video does not play, and user is shown an error screen. Environmental Variables Gecko: http://hg.mozilla.org/releases/mozilla-b2g18/rev/aaa74e5efaf1 Gaia: 7cdcc46179d198cab11970964b181ede32a5b683 Platform Version: 18.1 RIL Version: 01.01.00.019.158 Notes: Repro frequency: 100% This also occurs when accessing youtube through everything.me. See attached screenshot for example of error message.

YouTube is already looking into it. They are supposed to recognize our UA now, but do not for some reason.

Just checked in with Youtube, they will have an update by EOD pacific time

Youtube has a fix for the issue and are planing to go live with it tomorrow

I just confirmed this fixed this morning at 7:10 AM PST. We're getting a mobile site rendered with h264 media content rendering in the app.