| ⇢ | A | NullIncludeBookTransformer added | |
| ⇢ | A | ArraySerializerWithNull added | |
| A | ↘ | B | ScopeTest got worse |
| ⇢ | A | ScopeTest::testNullResourceIncludeSuccess() added | |
| ⇢ | A | ScopeTest::testNullResourceDataAndJustMeta() added | |
| ⇢ | A | NullIncludeBookTransformer::transform() added | |
| ⇢ | A | NullIncludeBookTransformer::includeAuthor() added | |
| ⇢ | A | ArraySerializerWithNull::null() added | |
| C | ↗ | B | Scope::toArray() improved |