About 20 hours into Persona 5 now and it really is fantastic. Almost certainly going to be my GOTY. The design is absolutely wonderful and it's got enough new elements to keep it interesting while still staying true to the Persona formula. I was slightly wary about the dungeons being designed, rather than procedurally generated, as I liked the rogue like element of the previous games but I think it works really well.
As @OttoMaddox said upthread, my only real issue is with the treatment of some of the female and LGBT characters. It's odd that Atlus feel the need to trot out the same old dated jokes in 2017. I find these moments quite jarring as generally the game's attitude is pretty progressive.