Sign-up Email notifications changed from 2.7 to 2.9:
- Default for new appointments is for email notifications to go to participants for all changes to an appointment. This is different from 2.7 without a clear reason.
This lead to an issue where a study has lost a number of participants because they complained of spam. The researcher also had to file an IRB form every time she modified an appointment due to the notifications. This behavior can be changed, but the change is hidden, it would be easier to revert default behavior back to 2.7 behavior. Properties are described here: