We have a simple SharePoint Online site with an events calendar. If I create a recuring event (example, every Wednesday from 10:00am-11:00am), in the calendar it is portrayed as expected (an event every Wednesday), but the Events widget treats it as a single event which starts at 10:00am on the first Wednesday and ends at 11:00am.... IN THE YEAR 2041! If someone clicks on the Add to My Calendar and opens the .ics file, thats exactly what they get: a single booking/event lasting 21 years.
Tried deleting and recreating several times, different times, days, etc. Always the same. Has anyone else seen this behavior?