| F | ↗ | D | Controller improved |
| ⇢ | A | RequestHandler::getDataModel() added | |
| ⇢ | A | RequestHandler::beforeHandleRequest() added | |
| ⇢ | A | RequestHandler::prepareResponse() added | |
| ⇢ | A | RequestHandler::getResponse() added | |
| ⇢ | A | RequestHandler::afterHandleRequest() added | |
| ⇢ | A | RequestHandler::setResponse() added | |
| B | ↗ | A | Controller::prepareResponse() improved |
| B | ↛ | Controller::handleRequest() removed | |
| A | ↛ | Controller::getResponse() removed | |
| A | ↛ | Controller::setResponse() removed |