Joao Felix does have a fairly weak attacking power, that's why Chelsea didn't include him in the main team and when he was loaned to Barcelona he also couldn't be said to be good enough, that's why Barcelona couldn't make him permanent, so I feel like he's lost his attacking power since he was loaned to Barcelona and Chelsea, so if he wants to get back to his best form, he has to work hard and be able to adapt quickly in Milan, Conceição will definitely give him a chance to prove his ability, I think in the second leg Milan still has a chance to turn things around.
Losing minutes with the main team does have an impact on football players and that's why Joao Felix's performance has declined slightly. If Joao Felix can show a big change then it will be much easier for him to get a place in the Milan main team because now Conceição still gives him the opportunity to play as a starter in several matches and that must be utilized well by Joao Felix so he can get back to his best performance. He has good skills but the injury he suffered and not getting a place in the main squad has changed everything now before being loaned to Milan.