http://gambaswiki.org/bugtracker/edit?object=BUG.1850&from=L21haW4- Comment #10 by Gianluigi GRADASCHI: On my wife's old computer with Xubuntu 18.04.4 LTS (xfce) and version 3.13.3 with GTK libraries, DataComboView works very well (also ComboRows). Good night