^ One thing from the comic was sort of mentioned, but I don't even know if that would be enough to qualify as "somewhat relevant".
Yes there were
Alexander Marcus' previous posting, Mudd's trader ship (and Mudd was namedropped), Cupcake's surname of Hendorff (confirming he was from "The Apple"), Spock's risk-taking (after the comics' version of "The Galileo Seven"), Section 31 (who'd been trying to recruit Sulu in the comics, etc