Go to a page with an image that's below the fold (i.e. you have to scroll down to see it). Drag it and drop it in a position that's also below the fold.
The viewport scrolls up to the top, scrolling the image out of view :(
Version: unspecified
Severity: normal
See Also:
https://bugzilla.wikimedia.org/show_bug.cgi?id=62420
https://bugzilla.wikimedia.org/show_bug.cgi?id=66462