dont know what version you on but not had any issues on PC. Done all my setup, time trial with historics and 2020 F1, started carrer and done a practice with F2
I'm doing a full season of F2 to start my career. In the pit menu you can choose the usual practice programs. I assume these are irrelevent in terms of F2, or does completion give better driver reputation?
I tend to go 100% throttle and give a slight lift just after releasing the clutch. As you say if revs are less than 100% as clutch released it bogs down too much but then you need to manage wheel spin. Its quite tricky and takes practice but its rewarding when you get it right