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I am using CachyOS KDE (Arch Linux familiy) and I have a problem with emoji. There are fonts from coloured emoji uploaded to the system, but in the notification box not every one is coloured. There's an example in the screenshot. This is the case even after a fresh install of the system from scratch.

My screen

My fonts

Attached to the topic is a screen shot of the font I use on the system. For example, this emoji is not coloured in notifications "😱" but when I paste it into visual studio code or other editor it is coloured.

How can I fix this?

KDE Plasma 5.27.6

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  • The font substitution needs to be built into Discord. You'll have to ask them.
    – Tetsujin
    Commented Jul 26, 2023 at 8:59
  • I understand this is a problem with the discord app? But wait... that notification that pops up is a system notification. Without the discord overlay.
    – BuBu
    Commented Jul 26, 2023 at 9:02
  • Then possibly the system has a substitution issue too/instead. It's not something you're going to fix yourself. I have similar issues on an old Mac - it can do most emojis, but not any under 5 years old, whether I have the fonts or not. The system just doesn't know what to do with them. I'd have to update to a current version which fixes the subs [but I can't cos my hardware is obsolete.] This is different to app substitution, so it's tough to know where the failure is.
    – Tetsujin
    Commented Jul 26, 2023 at 9:17
  • 1
    Thank you for your willingness to help and for the information on this problem.
    – BuBu
    Commented Jul 26, 2023 at 9:19
  • Hello, this question is missing info - you should state what font you're using and also paste the characters that are failing, as text. To check/change font I assume this should be followed: userbase.kde.org/File:FontSettings.png
    – Destroy666
    Commented Jul 26, 2023 at 12:55

1 Answer 1

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The default font configs in Arch Linux don't support colored emojis too well. Apparently a direct issue is related to a Qt bug.

Assuming you have Noto Color Emoji font installed (if not, install it from this package), you can edit ~/.config/fontconfig/fonts.conf to include:

<?xml version='1.0' encoding='UTF-8'?>
<!DOCTYPE fontconfig SYSTEM 'fonts.dtd'>
<fontconfig>
 <alias>
  <family>serif</family>
  <prefer>
   <family>Noto Sans</family>
   <family>Noto Color Emoji</family>
  </prefer>
 </alias>
 <alias>
  <family>sans-serif</family>
  <prefer>
   <family>Noto Sans</family>
   <family>Noto Color Emoji</family>
  </prefer>
 </alias>
 <alias>
  <family>monospace</family>
  <prefer>
   <family>Noto Sans</family>
   <family>Noto Color Emoji</family>
  </prefer>
 </alias>
 <dir>~/.fonts</dir>
 <match target="font">
  <edit name="hinting" mode="assign">
   <bool>true</bool>
  </edit>
 </match>
 <match target="font">
  <edit name="hintstyle" mode="assign">
   <const>hintslight</const>
  </edit>
 </match>
</fontconfig>

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