Xojo2023r4: WebComboBox behavior

I would expect WebComboBox allowing use of cursor keys to move from the field into dropped list of items, up and down, instead I need to use mouse to select item.
How can I make the combo box (and popup menu) behave?

Search for Custom_select_control in Examples:
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and upvote Issue #60409 - WebPopupmenu is not accessible. Can’t type to choose a selection nor arrow key to choose one