| ⇢ | A | RelationController added | |
| F | ↗ | B | CrudController improved |
| ⇢ | B | RelationController::addRelation() added | |
| ⇢ | B | RelationController::getRelation() added | |
| ⇢ | A | RelationController::updateRelation() added | |
| ⇢ | A | RelationController::deleteRelation() added | |
| ⇢ | A | RelationController::generateError() added | |
| B | ↛ | CrudController::addRelation() removed | |
| B | ↛ | CrudController::getRelation() removed | |
| A | ↛ | CrudController::updateRelation() removed | |
| A | ↛ | CrudController::deleteRelation() removed |