Napoli has long since emerged from their difficult period, but they're still the favorites heading into next season. Inter, with their coaching change, could show a dramatic turnaround or even do better than last season.
I hope Juventus, on the other hand, will wake up, as they seem like a mere ornament to me.
For now with Antonio Conte still at Napoli and the departure of Simeone Inzaghi, Napoli are favourite going into the next season. They have also not relaxed and are active in the transfer market with the signings this summer already most notably the signing of Kelvin De Bruyne and the president promise of more signings I think the club will most certainly be competing for the title next season. But unlike last season I think they will be a little bit challenging because they will be playing more games with their return to the champions league. And also this current syndicate of champions not doing well the next season I will like to see how Napoli and Conte break that curse.
Juventus has made some signings so far. 2 CBs, a RW and a CF. Nico González and Jonathan David are the ones stepping forward among them. And of course I should add that Juventus signed Di Gregorio permanently in the meantime.
I love especially the signing of Jonathan David.

He was like the best option they could have got for free. He is still 25 so he can contribute at high level for many years. I don't expect him to turn out to be like Vlahovic.
They have seriously been struggling with center backs since the legendary duo of Chelline and Bonucci left the club, it is good they get some center backs. I am personally aware of Jonathan David though who has been on their radar for so long, I think he is a very good addition upfront, if they could get their current two targets of Sancho and Hojlund I think they will be able to compete yet again. But can they manage this new signings without departures and escape financial crisis later