[tor-bugs] #18172 [Applications/Tor Browser]: Emoji support is broken in Tor Browser 5.5

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#18172: Emoji support is broken in Tor Browser 5.5
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 Reporter:  gk                                   |          Owner:  tbb-
                                                 |  team
     Type:  defect                               |         Status:
                                                 |  needs_revision
 Priority:  Medium                               |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  tbb-fingerprinting-fonts, tbb-       |  Actual Points:
  usability-website, tbb-5.5-regression,         |
  TorBrowserTeam201603                           |
Parent ID:  #18097                               |         Points:
 Reviewer:                                       |        Sponsor:
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Comment (by vegansalad):

 @arthuredelstein did you finish your advanced emoji research? i just found
 out about this Tor Browser on Linux emoji related issue and wrote some
 notes up over here: https://github.com/fedwiki/wiki/issues/97

 from what I can discern, the decisions that Tor Browser makes related to
 what it whitelists might be pulled upstream into Mozilla (currently only
 manually) since they are adding font.system.whitelist in Firefox 52.
 here's some talk about it:
 https://bugzilla.mozilla.org/show_bug.cgi?id=1121643

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18172#comment:24>
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