[tbb-bugs] #29246 [Applications/Tor Browser]: WebGL is sometimes blocked outright instead of put behind a click-to-play placeholder

Tor Bug Tracker & Wiki blackhole at torproject.org
Thu Feb 7 08:56:54 UTC 2019


#29246: WebGL is sometimes blocked outright instead of put behind a click-to-play
placeholder
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 Reporter:  gk                               |          Owner:  tbb-team
     Type:  defect                           |         Status:  new
 Priority:  Medium                           |      Milestone:
Component:  Applications/Tor Browser         |        Version:
 Severity:  Normal                           |     Resolution:
 Keywords:  noscript, tbb-usability-website  |  Actual Points:
Parent ID:                                   |         Points:
 Reviewer:                                   |        Sponsor:
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Comment (by gk):

 FWIW, to reproduce this bug you have to set `webgl.disable-extensions` to
 `false`. By default we disable those extensions and I guess in that case
 the behavior is okay-ish in the sense that the website is saying "Your
 browser does not support WebGL" and no click-to-play placeholder shows up.

 However, this happens even if the necessary extensions are allowed and
 going in the NoScript menu and enabling WebGL there shows the demo in that
 scenario.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/29246#comment:1>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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