~/.config/fontconfig/fonts.conf

fonts.conf

<?xml version="1.0"?>
<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
<fontconfig>
 <match target="font" >
  <edit mode="assign" name="autohint" >
   <bool>false</bool>
  </edit>
  <edit mode="assign" name="hinting" >
   <bool>true</bool>
  </edit>
  <edit mode="assign" name="hintstyle" >
   <const>hintfull</const>
  </edit>
  <edit mode="assign" name="antialias" >
   <bool>true</bool>
  </edit>
  <edit mode="assign" name="rgba" >
   <const>rgb</const>
  </edit>
  <edit mode="assign" name="lcdfilter">
   <const>lcddefault</const>
  </edit>
 </match>
</fontconfig>