If you stopped playing after 3, and who could blame you, than you did miss out on Black Flag which was probably the high point of the series. But your general point still stands, Black Flag is kind of the exception that proves the rule.
I’ve gotten a lot of freezing and stuttering playing on my desktop PC (Linux with Proton). The deck actually seems to be more stable, though it is locked to 30 fps and textures still take a minute to load sometimes.
Just got this thing last week, I love it so far. Still haven’t figured out how to make good use of the back paddles on PC, but even without those it’s a great controller.
Firing up a new dedicated server with the boys this weekend to try out the update. I’m hyped.