

The smoothening virus, as per Phlox, would eventually be bred out of the Klingons. Kang, Koloth and Kor had plastic surgery to restore their ridges. From this, I could only assume that the writers might show a smooth forehead Klingon and give a character, probably a young one, a throwaway line to pay a little fan service.
I really enjoy the lengths that the writers go to connect the many decades of Trek. It just proves that they are nerds themselves, as it should be.
I don’t mind her noises when she’s in the prime universe, but her mirror universe sex-kitten shtick is very off putting.