Changing a Repeating Event
Editing a repeating event updates all future events in the series. So any changes to location, time of day, etc are made to all future events (events in the past are not changed).
[Note: At present, you cannot edit start date, end date, or frequency of repeating events. This will be added soon.]
If you edit a single event in a series, that event is separated from the repeating event series and is considered a stand-alone event from that point on. Any changes to the repeating event will not be applied to this event.