The globe icon of the sidebar, that shows global custom section visible for everyone, moves when scrolling sidebar. If the footnote plugin is disabled the icon stays where it belongs.
No, I didn’t check if there is some errors in console or if inline-setting of footnote play any roll.
Safari and the Hub on iPad, same thing.
And no, this is not critical or even major one. Propably just another CSS-conflict. Or something. I don’t know