Maybe it`s me or the angle picture view but from my point of view there are some (minor) reshaping to the sidepods here at Imola:
1. The undercut is slightly bigger with a more pronounced curvature near the M letter
2. There is a slighter bigger and sloper shape of the lower sidepode near the floor. Thus the new airflow should work in conjunction with the new vortex flow coming out of the new floor edge fences.
3. The rear part of the sidepod near the Coke bottle area seems to have a downslope shape based on the trajectory of the purple sticker.
The official team statement for Imola regarding updates says these local updates aim: "
to improve the quality of the flow towards the rear of the floor, diffuser, and the
rear load throughout the ride height range". So it seems that their inconsistent aka spikier downforce levels were mainly due to their
laking of vortex sealing the edges of the floor at various ride heights hence why they are saying that the car`s performance is changing from one corner to another ...