Apple has released the iOS 17.0.3 update as promised to address the issue of iPhones heating up more than usual. Apple acknowledges that this is partially caused by a bug in the operating system itself. Users can update their devices by going to Settings > General > Software Update.
In this update, Apple has also stated that they have fixed two security vulnerabilities, specifically related to the kernel and WebRTC. It is recommended for users to update their operating system software to ensure their devices are protected.
Furthermore, 9to5Mac conducted a preliminary test to answer the question on many people’s minds: Will Apple reduce the performance of the A17 Pro chip to mitigate the heat issue? The current answer is that there is no clear evidence of a significant decrease in performance.
TLDR: Apple has released the iOS 17.0.3 update to fix the overheating issue on iPhones. The update also addresses two security vulnerabilities. Preliminary tests show no significant performance decrease on the A17 Pro chip.