To quickly update and overwrite Library Events added to an itinerary directly in the Itinerary Builder follow these steps.
After adding an Event from the Library, click Save to Library... in the bottom, left corner.
2. After clicking Save to Library you will see a notification asking to overwrite the Library Event. Here's what it looks like:
3. If you want to overwrite the existing Library Event to include the newly added information or changes, click the Overwrite Library Event button in the bottom, right corner.
Just a heads up, this will overwrite all of the information on the Library Event with what you have on the itinerary version of the event, including ideas, notes, and photos. And please note, this applies only to Library Events, not Places.