Update. Using Shift-F1 and then the mouse pointer
works. Using "right-click" to invoke What's This does not work.
Confirmed.
Shift-F1 works, right-click does not. I also thought the tooltip help would appear on hover? I recall seeing these tips in the past and I know for certain that I neither rt-clicked or used shift-F1. Maybe my imagination, but I thought it was something like the following logic (example made up):
else if (hover_time > 500) show_tips();
Bug report 1021 filed.
Darrell