Altough because of SNI (https://en.wikipedia.org/wiki/Server_Name_Indication) the need for wildcard certificates has greatly diminished.
SNI and SubjectAltName [https://en.wikipedia.org/wiki/SubjectAltName] mixed with the simplicity of issuing a new certificate using LetsEncrypt [https://letsencrypt.org/howitworks/] all but eliminate the need for wildcards.
SNI and SubjectAltName [https://en.wikipedia.org/wiki/SubjectAltName] mixed with the simplicity of issuing a new certificate using LetsEncrypt [https://letsencrypt.org/howitworks/] all but eliminate the need for wildcards.