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Maniphest T6603

Emoji issue in Firefox 61 - Many emoji broken
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Description

In Firefox 61, a bunch of emoji don't display correctly in colour anymore. Downgrading Firefox to 60.0.1 fixes this and no-other applications seem to be affected.
Might be related to T6597.

Broken emoji
? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ☺️ ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ☹️ ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?

Working emoji
? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?

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Event Timeline

Snuggle created this task.Jul 1 2018, 5:27 AM
Snuggle renamed this task from Emoji issue in Firefox 61 - Most emoji broken. to Emoji issue in Firefox 61 - Many emoji broken.Jul 1 2018, 5:31 AM
Snuggle awarded a token.
joebonrichie triaged this task as Normal priority.Jul 1 2018, 8:47 AM
joebonrichie edited projects, added Software; removed Lacks Project.
joebonrichie added a subscriber: joebonrichie.

This doesn't seem related to T6597 as disabling system hunspell doesn't fix the issue. If I had to guess our freetype2 or fontconfig need updating, or firefox may be providing it's own fontconfig similarly to chromium.

• sunnyflunk added a subscriber: • sunnyflunk.Jul 1 2018, 9:31 AM

Firefox 61 bundles freetype2 2.9.1, it doesn't bundle fontconfig

kyrios123 added a subscriber: kyrios123.Jul 1 2018, 9:58 AM

I just launched a build without system hunspell

Snuggle added a comment.Jul 1 2018, 1:36 PM

If Firefox doesn’t bundle fontconfig, any ideas for why the latest update is causing emoji to break?

DataDrake added a subscriber: DataDrake.Jul 1 2018, 2:47 PM

Doesn't work at all in the latest Chrome, so the fact that it works partially points to freetype2, yeah.

joebonrichie added a comment.Jul 2 2018, 10:23 AM

Updating harfbuzz, fontconfig and freetype2 to the latest versions and rebuilding firefox against them doesn't fix the issue. However, it could be related to this https://bugzilla.mozilla.org/show_bug.cgi?id=1358240

Snuggle added a comment.Jul 5 2018, 8:27 AM

After updating Firefox to v61.0-r133, this issue still persists, so it indeed seems unrelated.

Snuggle added a comment.EditedJul 5 2018, 8:30 AM
In T6603#119349, @joebonrichie wrote:

Updating harfbuzz, fontconfig and freetype2 to the latest versions and rebuilding firefox against them doesn't fix the issue. However, it could be related to this https://bugzilla.mozilla.org/show_bug.cgi?id=1358240

This looks like it could be the reason. If Firefox now uses Twemoji because of EmojiOne's new proprietary license, perhaps Solus should include Twemoji too?

Twemoji is open-source and actively maintained by Twitter Inc. It looks very similar too.
https://github.com/twitter/twemoji

Other distributions let users choose their emoji font. This is a good idea and lets users select what they prefer. See T5848.

livingsilver94 added a subscriber: livingsilver94.Jul 5 2018, 9:15 AM

Plasma allows to select what emojis to use (only in Qt apps, I believe).
Anyways yeah, this is the EmojiOne EULA, while Twemojis is licensed with MIT + CC.

serebit added a subscriber: serebit.Sep 11 2020, 3:54 PM

Still an issue in Firefox 80.0.1, seemingly. Tested with http://www.fileformat.info/info/emoji/browsertest.htm.

TClark77 added a subscriber: TClark77.Sep 16 2020, 1:30 AM

For what it's worth all the entries on http://www.fileformat.info/info/emoji/browsertest.htm look right to me
The emoji on http://www.alanwood.net/unicode/emoticons.html also look right

Firefox 80.0.1
Solus Plasma

I'm happy to help dig into any differences in our systems that might be at issue

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