In manual sorting mode, you can't drag an item all the way up, only to the second position.
It seems possible here, although there may be a smaller target area at the top than in the other places.
Hmm, yes. It's a matter of ½mm, if you get the "copy" oder the "rearrange" symbol, as i founf now. There's also a small glitch in the graphical drawing of the bold target line, at the top position. Nice feature, by the way.
What's the glitch? It looks OK to me. Do you mean the way it only has the bottom half of the |---| line, because the top half is outside of the main file display area?
Yes, that's what i meant. The line appears a bit thinner in that position. Only a cosmetical thing.