I have confirmed that this issue has been resolved in iOS15. According to Apple, it was fixed in iOS15 beta7.

Thank you for the information. I tried it on a real machine and it works as you said. It seems to be a problem with the simulator.

Thank you very much. I was able to achieve what I wanted to do. workingdogintokyo Thanks for pointing that out, it's 14.5. Claude31

Hi, thanks for your reply. I am trying to display an alert on screen transition. I believe this is an iOS 4.5 issue, as it worked up to iOS 4.4. I have reported this to the Feedback Assistant.