Dear Chris and Mark! Thank you for your certificates. But unfortunately, your plugin does not recognize Cyrillic. All our students have Russian names, on our website they are all registered in Cyrillic. When issuing a certificate, instead of their names students see question marks. Is that possible to add Cyrillic to your plugin?
You will have to use a font that supports those characters. Please see https://moodle.org/mod/forum/discuss.php?d=230356.