| ⇢ | A | Validation added |
| ⇢ | A | Validator::getMessages() added | |
| ⇢ | A | Validator::setMessageFormatter() added | |
| ⇢ | A | FormValidationProvider::getMessageDescriptions() added | |
| ⇢ | A | Validation::getMessages() added | |
| ⇢ | A | Validator::getMessageFormatter() added | |
| A | ↘ | B | FormValidationSettings::get() got worse |