[Bug 1026860] [NEW] Firefox 14 broke youtube HTML5 player

[Pablo Piaggio]

Public bug reported:

I received an update from 'Update Manager' that upgraded Firefox from
v13 to v14.

Firefox 14 is not longer able to play youtube videos using HTML5
(http://www.youtube.com/html5/)

I got this error:

A script on this page may be busy, or it may have stopped responding.
You can stop the script now, or you can continue to see if the script
will complete.

Script: chrome://global/content/bindings/videocontrols.xml:482

then the same thing with:
Script: http://s.ytimg.com/yt/jsbin/html5player-vflGWJljH.js:53

And then it gets keeps reporting bad scripts.

Regards.

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: firefox 14.0.1+build1-0ubuntu0.10.04.1
ProcVersionSignature: Ubuntu 2.6.32-41.91-generic-pae 2.6.32.59+drm33.24
Uname: Linux 2.6.32-41-generic-pae i686
NonfreeKernelModules: nvidia
Architecture: i386
BuildID: 20120713225625
Date: Thu Jul 19 19:54:28 2012
DefaultProfilePrefErrors: Unexpected character 'g' before close parenthesis @ [Profile]/extensions/{e4a8a97b-f2ed-450b-b12d-ee082ba24781}/defaults/preferences/greasemonkey.js:4
DefaultProfilePrefSources:
 prefs.js
 [Profile]/extensions/{b9db16a4-6edc-47ec-a1f4-b86292ed211d}/defaults/preferences/prefs-dwhelper.js
 [Profile]/extensions/foxmarks at kei.com/defaults/preferences/prefs.js
ExecutablePath: /usr/lib/firefox/firefox
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
ProcEnviron:
 PATH=(custom, user)
 LANG=en_US.utf8
 SHELL=/bin/bash
Profile1PrefSources:
 prefs.js
 [Profile]/extensions/rotateimage at minisystems.de/defaults/preferences/defaults.js
Profiles:
 Profile1 - LastVersion=13.0.1/20120615040410 (Out of date)
 Profile0 (Default) - LastVersion=14.0.1/20120713225625 (In use)
SourcePackage: firefox

** Affects: firefox (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug firefox html5 i386 lucid youtube

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Title:
  Firefox 14 broke youtube HTML5 player

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