| ⇢ | A | EntityWithRandomlyGeneratedField added |
| ⇢ | B | UnitOfWork::ensureVersionMatch() added | |
| ⇢ | B | UnitOfWorkTest::testMergeWithNewEntityWillPersistI... added | |
| ⇢ | B | UnitOfWorkTest::testMergeWithExistingEntityWillNot... added | |
| ⇢ | A | EntityWithRandomlyGeneratedField::__construct() added | |
| F | ↗ | C | UnitOfWork::doMerge() improved |
| A | ↛ | UnitOfWorkTest::tearDown() removed |