Thank you for pointing this out! I would have never figured it out that passing a parent widget to QListWidgetItem would automatically add it to the list.

I managed to solve the issue changing the code to: ColumnLayout { id: listcolumn2 Layout.fillWidth: true Layout.preferredWidth: 500 Layout.minimumWidth: 100 spacing: 0 ColumnLayout { id: sublistcolumn1 Text{...} ListView { id: lv1 Layout.fillHeight: true Layout.fillWidth: true Layout.minimumHeight: lv1.contentItem.childrenRect.height } Layout.fillWidth: true Layout.preferredWidth: 500 Layout.minimumWidth: 100 } ColumnLayout { id: sublistcolumn2 Text{...} ListView { id: lv2 Layout.fillHeight: true Layout.fillWidth: true Layout.minimumHeight: lv2.contentItem.childrenRect.height } Layout.fillWidth: true Layout.preferredWidth: 500 Layout.minimumWidth: 100 } Item { id: filler Layout.fillHeight: true Layout.fillWidth: true Layout.preferredWidth: 500 Layout.minimumWidth: 100 } }

I finally found the answer in my problem: FolderListModel { ... sortReversed: true }

Pushing again.