I saw Fantastic Beasts: The Crimes of Grindelwald the day it came out! As a lover of all things from the Harry Potter Universe, I obviously loved the film. (OK, a few question marks remain in my brain as far as how things fit in timeline-wise, but you'll have to hit me up on Insta or Twitter to discuss so we doing spoil the film for the world.
I did however, come across this cool video that shows all the easter eggs! Warning: It may contain some spoilers, so bookmark now and watch later if you must.
From Tastefully Offensive:
(Spoilers) Sydney, Australia-based film enthusiast Mr. Sunday Movies points out and explains all of easter eggs and hidden references in the just-released Harry Potter spin-off film, Fantastic Beasts: The Crimes of Grindelwald.