http://gothub.nowhevi57f4lxxd6db43miewcsgtovakbh6v5f52ci7csc2yjzy5rnid.onion/tonsky/FiraCode/wiki/How-to-enable-stylistic-sets
CSS . monaco-editor { font-feature-settings : "ss01" , "ss02" , "ss03" , "ss04" , "ss05" , "ss06" , "zero" , "onum" ;
} RStudio Create or edit an rstheme file and add: . ace_editor { font-feature-settings : "ss01" , "ss02" , "ss03" , "ss04" , "ss05" , "ss06" , "zero" , "onum" ;
} Kitty Select which font variant you wish to use (Regular, Medium, Light, ...) and set that as your font on the kitty's config file ( ~/.config/kitty/kitty.conf ),...