The porpoising issue had a lot of track side mods taking place, and is impacting a number of cars. Some expect that as ride height changes track to track it might be harder for some of the design ideas to cope. But this is F1 and I'm sure they will find a way to deal with it.

Mazepin causes a red flag without a spin..... rare for him! Fuel pump issue for Haas and gearbox issues for RB bring out the red flags.



And aero rakes with some flair added.....