https://www.drupal.org/project/drupal/issues/2887105
MapItem violates FieldItemInterface::schema()'s contract - breaks widgets [#2887105] | Drupal.org
Aug 15, 2025 - Problem/Motivation Originally raised this in [#2563843-37] but now splitting this off into its own issue. FieldItemInterface::schema() states: So since...
schema