We’ve expressed our own love of borderless GTK+ themes before so we’re delighted to find Ubuntu 11.04′s Light themes have followed suit, adopting zero-pixel window borders on windows.
Also aiding the refined look, well, look good are long-overdue larger shadows on the active window. This gives the illusion of the active window being ‘further forward’ than those behind it.
Both changes are undoubtedly trivial sounding to most ears but I can’t help but think that both make a marked difference on the look of the Ubuntu desktop as a whole.
N.B. This doesn’t mark it harder to resize, we have invisible grip areas