| ⇢ | A | ColumnSelectorController added |
| ⇢ | B | ColumnSelectorController::getColumns() added | |
| ⇢ | A | ColumnSelectorController::updateVisibleColumnsActi... added | |
| ⇢ | A | ColumnSelectorController::showColumnsSelectorActio... added | |
| ⇢ | A | ColumnSelectorController::__construct() added | |
| ⇢ | A | ColumnSelectorController::jsonResponse() added | |
| ⇢ | A | ColumnSelectorController::getLanguageService() added | |
| ⇢ | A | ColumnSelectorController::htmlResponse() added | |
| ⇢ | A | ColumnSelectorController::getBackendUserAuthentica... added | |
| F | ↗ | B | DatabaseRecordList::columnSelector() improved |