Add widget="multiple_datepicker" code into a field.
After saving, the field will be stored dates as follows.
Widget for picking multiple dates.
Using widget="multiple_datepicker" for applying widget on a char field.
This feature allows you to select and assign more than one date to a single field, instead of being limited to just one.
You can use this in custom modules or enhanced standard models—like scheduling multiple delivery dates, setting multiple event dates.
No, Odoo natively supports only single date fields. This is a custom implementation that enhances user flexibility.