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

#18172: Emoji support is broken in Tor Browser 5.5
-------------------------------------------------+-------------------------
 Reporter:  gk                                   |          Owner:  tbb-
     Type:  defect                               |  team
 Priority:  Medium                               |         Status:
Component:  Tor Browser                          |  needs_review
 Severity:  Normal                               |      Milestone:
 Keywords:  tbb-fingerprinting-fonts, tbb-       |        Version:
  usability-website, TorBrowserTeam201602R,      |     Resolution:
  tbb-5.5-regression                             |  Actual Points:
Parent ID:  #18097                               |         Points:
  Sponsor:                                       |
-------------------------------------------------+-------------------------
Changes (by arthuredelstein):

 * status:  reopened => needs_review
 * keywords:
     tbb-fingerprinting-fonts, tbb-usability-website, TorBrowserTeam201602R
     tbb-5.5-regression
     =>
     tbb-fingerprinting-fonts, tbb-usability-website,
     TorBrowserTeam201602R, tbb-5.5-regression


Comment:

 Replying to [comment:16 gk]:
 > [...]
 > Windows 8 seems to be affected as well.

 That's unfortunate. It was available on the Windows 8 machine I used for
 testing, but it sounds like this cannot be relied on.

 > > [...]
 > > 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 Noto 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?
 >
 > Hm, this is pretty unfortunate especially as we probably want to test
 whether the bundling mechanism is working on Windows as well properly.
 But, yes, I think we could try that route. I am not really inclined to
 wait for that for 5.5.1, though, as #18169 and #18168 are more important
 and I would like to see some testing with this approach.

 Here are my patches to bundle and whitelist Noto Emoji:
 https://github.com/arthuredelstein/tor-browser-bundle/commit/18172+2
 https://github.com/arthuredelstein/tor-browser/commit/18172

 And here is the resulting build (I confirmed that the Noto Emoji font is
 used for emoji characters on a Windows machine. I don't expect there to be
 a difference on different Windows versions, as I am bundling the font.):
 https://people.torproject.org/~arthuredelstein/downloads/18172-builds

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18172#comment:19>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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