| ⇢ | A | ClassMetadata added | |
| D | ↗ | C | Serializer improved |
| A | ↘ | B | EntityRepository got worse |
| ⇢ | A | EntityRepository::assertNotObject() added | |
| ⇢ | A | EntityRepository::assertArray() added | |
| ⇢ | A | Model::getId() added | |
| ⇢ | A | Model::setId() added | |
| ⇢ | A | ClassMetadata::testSetAttributeListWithoutId() added | |
| ⇢ | A | ClassMetadata::hasIdentifierAttribute() added | |
| B | ↘ | C | EntityRepository::__call() got worse |
| F | ↗ | D | Serializer::deserialize() improved |