[tor-bugs] #22548 [Applications/Tor Browser]: Firefox downgrades VP9 videos to VP8 when measured performance is not enough (was: Youtube downgrades VP9 videos to VP8 when can't find H.264)

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#22548: Firefox downgrades VP9 videos to VP8 when measured performance is not
enough
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 Reporter:  cypherpunks               |          Owner:  tbb-team
     Type:  defect                    |         Status:  reopened
 Priority:  Medium                    |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Normal                    |     Resolution:
 Keywords:  tbb-fingerprinting        |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
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Changes (by cypherpunks):

 * status:  closed => reopened
 * keywords:   => tbb-fingerprinting
 * resolution:  wontfix =>


Comment:

 Here it is https://bugzilla.mozilla.org/show_bug.cgi?id=1230265
 And this is a fingerprinting vector for Tor Browser.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/22548#comment:5>
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