Apple may reduce the performance of the 3nm A17 Pro processor due to massive overheating of the iPhone 15 Pro::The problem of overheating of iPhone 15 Pro and Pro Max smartphones is becoming widespread. It is possible that Apple will be forced to take the unpopular step of reducing the performance of the latest 3nm A17 Pro chip.
People have used it in very hot areas and it has been fine, with no overheating issues.
People have used it in very temperate areas and it has turned into a small furnace.
The controlling variable is almost certainly not ambient temperature.