[WebEngine] Opening qt.io web page causes the browser app to crash

MacOS 15.3.2

Qt Creator 16.0.0

Qt 6.9.0RC2

Macbook Pro M4

Steps to reproduce:

1. Run any web engine browser (nano or simple)
2. Once the start page appears click 'Visit us' 
3. On Linux click 'Download. Try.' if the app does not crash immediately after launch.

QtWebEngine Version: 6.9.0
Chromium Version: 130.0.6723.192
Chromium Security Patch Version: 133.0.6943.141
JavaScript V8: 13.0.245.25 

Actual: The app crashes immediately after launch - see attached video. On Boot2Qt I need to click Download button to cause the crash. 

Reproducibility:  100% 

NOTE: The apps do not crash on Qt 6.8.3.