| ⇢ | A | OldPasswordService added |
| ⇢ | A | OldPasswordService::checkNewEqualsOldPassword() added | |
| ⇢ | A | ChangePasswordValidator::injectOldPasswordService(... added | |
| ⇢ | A | ChangePasswordValidator::evaluateOldPasswordCheck(... added | |
| ⇢ | A | PasswordController::getErrorFlashMessage() added | |
| ⇢ | A | OldPasswordService::getFrontendUser() added | |
| B | ↘ | C | ChangePasswordValidator::isValid() got worse |