| ⇢ | A | PortfolioCategoryHelper added |
| ⇢ | F | PortfolioRepository::getIndexCourseItems() added | |
| ⇢ | A | PortfolioCategoryHelper::__construct() added | |
| ⇢ | A | PortfolioCategoryHelper::getListForIndex() added | |
| ⇢ | A | Container::getPortfolioCategoryHelper() added | |
| B | ↗ | A | DownloadSelectedDocumentsAction::__invoke() improved |
| F | ↗ | D | PortfolioController::getItemsForIndex() improved |
| A | ↛ | DownloadSelectedDocumentsAction::createZipFile() removed | |
| A | ↛ | ControllerTrait::setHeadersToStreamedResponse() removed |