Chelsea's performance is okay with what I’ve seen from them in this Club World Cup; they made it to the final, which is a reason for us to say Chelsea's performance has improved. Their main focus now should be against PSG because PSG is now a beast. Regardless of how strong the club should be, they are afraid of PSG at this point because they are in good form, and their performance is now even in doubt. They can beat the hell out of Chelsea if Chelsea does not do well in that final. As for this, Chelsea should be well prepared for this match to avoid being shamed.
However, I’m even eager to see Chelsea's performance next season because their signees are going to do everything to see them shine in the next season's competition. However, next season is going to be tough because every club is getting prepared ahead of it.
Yes, Chelsea's current performance is indeed improving, as they've proven they made it to the final with relative ease. However, I personally have some doubts about Chelsea's performance in the Premier League next season. While it's true that Chelsea has performed quite well in the World Cup, if they face teams like Liverpool and Arsenal, I think they'll still be overwhelmed. Even though Liverpool and Arsenal aren't participating in the World Cup, I believe their performance is far superior to the teams currently participating (except PSG).
So, I personally don't have high expectations for Chelsea next season, even though they've reached the World Cup final. Furthermore, regarding Chelsea's new players, I don't think they'll perform well immediately. They'll need to adapt first to perform optimally. So, the point is, Chelsea's new recruits can't be relied upon immediately next season. Adaptation takes time. Furthermore, Chelsea still has gaps they need to address, so they need to be more focused and work harder now. Moreover, they will compete against PSG.