The new gym system is a great improvement. With smaller gyms and no duplicates within a gym, any gym is beatable if I have a little time. No more ten-Blissey megagyms. The way coins are paid out puts more emphasis on attacking than on defending gyms, which keeps the game from stagnating.
Id like to see direct PVP battles, and more Pokémon to catch, but otherwise, Im very happy with the latest version of the game.
SenexBarbatus about Pokémon GO, v1.37.2