The whole Clara Accepting the New Doctor thing felt rather like a retread of Rose's initial reaction to the Tenth Doctor. Besides, Clara (or various iterations of Clara, I don't quite remember how this worked) has actually met and helped all the previous Doctors. Also, she met the Tenth Doctor and the John Hurt Doctor just a couple of episodes ago, so if any Companion should've been equipped to deal with the regeneration, it ought to have been her.

lesbian ninja lizard-human couples: rock on.

Indeed.

I thought it was the Rani at the end, as well. I hope so! I also was sad about the dinosaur.