For a few weeks now, in one-hour slots starting at 10:15 or 20:45 but lasting an hour, the list of fifteen-minute slots has been appearing.
I am enclosing a picture to help you understand it better:
I only offer eight appointments a day, always at this hour:
And it doesn’t look good if all the 15-minute gaps appear. A week ago this problem didn’t occur. In the google calendar I have 15-minute breaks between appointments.