He's definitely improved, specifically with his handling of double teams. He is grasping the right timing with when to pass and who to pass to out of them, triggering rotations and opening things up for the whole team. And if the other teams choose not to double because of all the shooters they have, well he's still one of the best post up scorers in the league so he will destroy you one on one. He's also developed a great two man game with Seth, lots of screen assists and handoffs.
On the defensive side he's always been a really good interior defender, and that looks like it'll continue