This screen recording of the FULL project demonstrates that the sticky tooltip happens on the FIRST cursor pass from the poly hotspot to the nodal hotspot.
This screen recording demonstrates the sticky tooltip issue is present in a two-node, one-info hotspot project. It takes some effort to make it appear, though.
Here is a link to the actual project, if you’d like to test the problem yourself. https://ricardobarros.com/wp-content/uploads/Morven/