| ⇢ | C | SaveRelationsBehavior::_getRelatedFks() added | |
| ⇢ | B | SaveRelationsBehavior::isModelTransactional() added | |
| ⇢ | B | SaveRelationsBehavior::_loadOrCreateRelationModel(... added | |
| B | ↗ | A | SaveRelationsBehavior::startTransactionForModel() improved |
| C | ↗ | A | SaveRelationsBehavior::processModelAsArray() improved |