[tor-bugs] #18172 [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-
     Type:  defect                               |  team
 Priority:  Medium                               |         Status:
Component:  Tor Browser                          |  reopened
 Severity:  Normal                               |      Milestone:
 Keywords:  tbb-fingerprinting-fonts, tbb-       |        Version:
  usability-website, TorBrowserTeam201602R       |     Resolution:
  tbb-5.5-regression                             |  Actual Points:
Parent ID:  #18097                               |         Points:
  Sponsor:                                       |
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Changes (by arthuredelstein):

 * status:  closed => reopened
 * resolution:  fixed =>


Comment:

 Replying to [comment:14 bugzilla]:
 > No {{{NotoEmoji-Regular.ttf}}} in TBB 5.5.1 for Win, no emoji.

 It appears that the Emoji font I add to the whitelist for Windows, Segoe
 UI Emoji, is not always available on Windows 7. So there are a couple of
 alternatives:

 1. Whitelist Segoe UI Symbol instead. This covers a lot of Emoji
 characters, although they are monochrome.
 2. Whitelist both. This of course allows Windows 7 and earlier to be
 distinguished from later versions, but there are other ways to distinguish
 these fonts.
 3. Bundle `NotoEmoji-Regular.ttf` with Windows and remove Segoe UI Emoji
 from the whitelist. This makes the Emoji fonts identical on all versions
 of Windows. The Emojis don't look the quite the same as the native Windows
 fonts.

 I'm inclined to go for the third option. Does anyone else have an opinion?

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18172#comment:15>
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