| ⇢ | A | FailureCollection added |
| ⇢ | A | FailureCollection::addMessagesForField() added | |
| ⇢ | A | FailureCollection::getMessagesForField() added | |
| ⇢ | A | Filter::addRule() added | |
| ⇢ | A | FailureCollection::isEmpty() added | |
| ⇢ | A | FailureCollection::getMessages() added | |
| A | ↛ | Filter::addMessages() removed | |
| A | ↛ | Filter::setRule() removed |