From everything I've seen, it looks like CBS is already bracing for Discovery to be a flop, and they're entertaining the original anothology series idea again, that was proposed before producers settled on just Discovery.
Star Trek: Discovery Won't Be Shown to Critics
'Star Trek: Discovery' News: CBS Will Not Be Screening Upcoming Series for Critics
Also, found out why the Klingons had to be changed. During the CBS/Paramount split, CBS got the TV series and Paramount got the Movies. And since the modern Klingon design came from the movies, and not Next Generation, Paramount owns that Klingon design.
Since this takes place before the original series isn't the question why don't they look like those early Klingons?