Sorry, we haven’t updated that list recently. I’ll make sure to update that in the next version.
The widget is automatically translated based on the browser locale (as you can read about at https://www.addthis.com/help/languages).
If you would prefer for all of your visitors to see it in bulgarian, you can add the following to your theme’s functions.php file or create a small plugin with the following code:
`
add_filter(‘addthis_config_js_var’, ‘at_cookbook_addthis_config_js_var’);
function at_cookbook_addthis_config_js_var($addthis_config)
{
// you can use and of the addthis_config options from https://www.addthis.com/help/client-api
$addthis_config[‘ui_language’] = ‘bg’;
return $addthis_config;
}