Solved

Can’t change strategy + double taps

What did you try to do?
Tried to change strategy, I tap a stint and it goes blank, can’t change fuel load or compound. At the same time, getting to that tab took me some double-taps (some buttons not responding first tap). Persists after cache clear. Also happens on browser (chrome and safari)

What happened instead?
Stint disappears

Did the problem happen while using wi-fi, mobile data, or both?
Both

Did the bug happen in the app, on PC, or both?
App

What is the model of your device?
iPhone SE 2nd gen

What is the operating system?
iOS

What is the version number of the operating system?
Latest

Can the bug be reproduced?
Yes

Additional comments:

We can't make any settings either. Qualifying and the race are about to start. 

Its the same here, race starts in a few minutes with a heavy car

same here, many issues on setting strats.

Hello we encountered similar issues created another post for it.