Thanks for the testcase. Maybe one possible solution for now, can you try ? Uses ..., ExtPascalUtils; procedure TMainForm.UniFormCreate(Sender: TObject); begin with UniComboBox1 do ClientEvents.UniEvents.Values['beforeInit'] := 'function beforeInit(sender, config) {'+ ' config.listConfig = {'+ ' tpl: new Ext.XTemplate('+ ' ''<tpl for="."><div class="x-boundlist-item" style="'+ Font.ToStyleString(True) +'">{val}</div>&