From Fedora Project Wiki

Description

This feature provides a tool for customizing fonts per language on desktops using fontconfig. The user requirements of desktop fonts are diverse, no single configuration can satisfy all user requirements.


How to test

  1. dnf install fonts-tweak-tool
  2. Run fonts-tweak-tool
  3. Try to set some preferred fonts for a particular language
  4. Check the generated font configuration 000-fontstweak-ezfc.conf in $HOME/.config/fontconfig/conf.d/
  5. Test rendering of text for that language/locale in gedit etc.
  6. Test fc-match:
    1. fc-match sans-serif:lang=<target language like en and zh-cn>
    2. fc-match serif:lang=<target language like hi-in and ja>
    3. fc-match monospace:lang=<target language like fr and pt-br>

Expected Results

The font that you specified with fonts-tweak-tool should be used for that language.