| ⇢ | A | Person added | |
| ⇢ | A | SortClosest added | |
| ⇢ | A | SortFurthest added | |
| A | ↛ | Thing removed |
| ⇢ | A | Finder::addAgeDifference() added | |
| ⇢ | A | Finder::sortFromOlderToYounger() added | |
| ⇢ | A | SortClosest::__invoke() added | |
| ⇢ | A | SortFurthest::__invoke() added | |
| ⇢ | A | Finder::firstIsOlder() added | |
| ⇢ | A | Person::setName() added | |
| ⇢ | A | Person::setBirthDate() added | |
| ⇢ | A | Person::getName() added | |
| ⇢ | A | Person::getBirthDate() added | |
| C | ↗ | B | Finder::find() improved |
| A | ↛ | Thing::setBirthDate() removed | |
| A | ↛ | Thing::getName() removed | |
| A | ↛ | Thing::setName() removed | |
| A | ↛ | Thing::getBirthDate() removed |