After reading this https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=902981 I guess that FontAwesome v5 won't be available as Debian package any time soon (at least not in main).
-- Sebastian Podjasek
- Bug#922779: cacti: Depending on fonts-font-awesome (5.0... Sebastian Podjasek
- Bug#922779: Related info Sebastian Podjasek
