How to reproduce:
1. Download and open the attached "My Project.zip" project
2. Build and deploy the project to iOS
3. Rapidly tap on screen and observe the numbers in the middle of the screen
Expected result: The FPS barely drops below 120
Actual result: The FPS spikes between 60 and 120
Reproducible with: 2019.4.40f1, 2020.3.36f1, 2021.3.4f1, 2022.1.5f1, 2022.2.17f1
Reproduced with: iPhone 13 Pro (iOS 15.0.0)
Could not reproduce with: iPhone 6S (iOS 13.3.1), iPhone 12 Pro (iOS 14.2.1)