GitHub emoji render as a box with the name inside instead of the expected image

[esarver]

Prerequisites

• Put an X between the brackets on this line if you have done all of the following:
  • Reproduced the problem in Safe Mode: http://flight-manual.atom.io/hacking-atom/sections/debugging/#using-safe-mode
  • Followed all applicable steps in the debugging guide: http://flight-manual.atom.io/hacking-atom/sections/debugging/
  • Checked the FAQs on the message board for common solutions: https://discuss.atom.io/c/faq
  • Checked that your issue isn't already filed: https://github.com/issues?utf8=✓&q=is%3Aissue+user%3Aatom
  • Checked that there is not already an Atom package that provides the described functionality: https://atom.io/packages

Description

GitHub emoji render as a box with the name inside instead of the expected image.

Steps to Reproduce

1. Get gistfile1.md from https://gist.github.com/rxaviers/7360908.
2. Open in Atom
3. Open the markdown-preview

Expected behavior: Expected to see the list look like what is shown at https://gist.github.com/rxaviers/7360908

Actual behavior: All emoji are shown as boxes with the name of the emoji inside.

Reproduces how often: Always

Versions

Atom version:

Atom    : 1.24.1
Electron: 1.6.16
Chrome  : 56.0.2924.87
Node    : 7.4.0

APM version:

apm  1.18.12
npm  3.10.10
node 6.9.5 x64
atom 1.24.1
python 2.7.14
git
visual studio

Windows Version:

Version 10.0.16299.248 (Enterprise)

Additional Information

I have installed OpenSansEmoji from https://github.com/MorbZ/OpenSansEmoji
I have also installed autocomplete-emojis which displays the emoji correctly in the suggestion box.
The emoji are displayed if I select the Unicode emoji from the suggestions.

[Arcanemagus]

Looks like this broke between Atom v1.21.0 and Atom v1.22.1, which translates to these changes.

[razetime]

This is still a problem on Atom 1.55.0 Windows 10 64-bit.

[Trainax]

I'm afraid this problem still exists. I tried adding some flags to a markdown document I'm writing and the flags unfortunately aren't rendering properly.

Atom 1.58.0 on Windows 11 64-bit