Does not support wildcard, but it will support a multi-domain SAN cert up to 100 custom domains
Can't do wildcard via Let's Encrypt
Letsencrypt does not allow wildcard certificates.
And also greatly reduces the need since you can simply give every site/service a unique certificate instead of sharing a cert throughout all your deployments.
Does it need wildcard?
It's a serious question, if you have unlimited and automated SSL certificates, what is the purpose of wildcards?
Gave you an upvote. I understood where you were going with that (clearly others did not).