Strange Combobox getWidget().clear(); issue

Suite and Optimus Suite 8
#1

After 8.3.5

form_4.getItem(“istasyon”).getWidget().clear();

gives this problem at the snippet.

here is the snippet;
https://snippet.dhtmlx.com/oizw2zou

#2

Thank you for your report.
The problem was confirmed. We’ll try to fix it in one of the future updates.

As a workaround please, try to clear the combo control value after updating the options collection:
https://snippet.dhtmlx.com/n89bydq4