McLaren and AlphaTauri are leading the way in terms of new car parts brought to the French Grand Prix, having unveiled plenty of upgrades.
McLaren have made performance-based changes to their engine cover, floor body and rear corner, along with a reliability fix for their rear wing.
In terms of circuit-specific changes, tweaks have been made to their louvre panels, rear corner and engine cover to aid cooling amid the intense heat.
Meanwhile, AlphaTauri are looking to bring performance with an updated floor body, floor fences, floor edge, diffuser and engine cover.
What about Red Bull, Ferrari and Mercedes?
In contrast to McLaren and AlphaTauri, F1's front-running teams have only brought a handful of updates to the Circuit Paul Ricard.
Red Bull have upgraded their floor fences and rear corner, Ferrari their floor body and Mercedes their floor edge and front corner (aimed at cooling).
Alpine (floor edge and floor fences), Alfa Romeo (rear corner), Aston Martin (floor edge) and Williams (front floor support) have also made limited changes.
Haas, as per their plan, have not brought any new parts to this weekend's event.
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