| A | ↛ | Error removed | |
| A | ↛ | ErrorManager removed |
| A | ↘ | B | CourseSearchController::__invoke() got worse |
| A | ↛ | Error::__construct() removed | |
| A | ↛ | ErrorManager::createByMissingModel() removed | |
| A | ↛ | ErrorManager::createByValidationErrors() removed | |
| A | ↛ | ErrorManager::createNotParsable() removed | |
| A | ↛ | Error::getScope() removed | |
| A | ↛ | Error::getKey() removed | |
| A | ↛ | Error::getDetail() removed | |
| A | ↛ | Error::getReference() removed | |
| A | ↛ | Error::getArguments() removed | |
| A | ↛ | ErrorManager::__construct() removed |