The EW.com article has the executive producer saying the Zoloman we saw on the bench on Earth-1 is Zoom…and the Variety article linked here has no quotes from the EP saying the Jay Garrik we have got to know is Zoom.

Did a home else notice during the Willy/Jeff robot fight scene, one of the other inmates said "cut the mother fucker!"?

What is this "not speaking for 2 years" thing you are talking about?

All the episodes are one number off since "Dave Returns" was accidentally labeled as 15, although it was episode 16.