Hello,
This is the MYDUTY team.
After updating to iOS 17, are you unable to see your iPhone calendar events in MYDUTY?
Starting from iOS 17, calendar access permissions have been divided into two categories.
If MYDUTY's calendar access permission is set to "Add Events" instead of "Full Access," you won't be able to view your iPhone calendar events in MYDUTY!
Please go to your iPhone's "Settings" app, then navigate to "Privacy & Security > Calendar" and change MYDUTY's calendar access permission to "Full Access."
Thank you