| ⇢ | A | FormMapper added | |
| ⇢ | A | EnhancedSelectionFieldType added | |
| ⇢ | A | FieldValueTransformer added |
| ⇢ | B | EnhancedSelectionFieldType::buildForm() added | |
| ⇢ | A | FieldValueTransformer::transform() added | |
| ⇢ | A | FieldValueTransformer::__construct() added | |
| ⇢ | A | FieldValueTransformer::reverseTransform() added | |
| ⇢ | A | FormMapper::mapFieldValueForm() added | |
| ⇢ | A | EnhancedSelectionFieldType::configureOptions() added | |
| ⇢ | A | FormMapper::mapFieldDefinitionForm() added | |
| ⇢ | A | EnhancedSelectionFieldType::__construct() added | |
| ⇢ | A | EnhancedSelectionFieldType::getBlockPrefix() added |