Comment 2 for bug 205658

I can reproduce, however I'm not sure what the desired output is. If I had to say what I would desire, I'd say that the maximized window makes no change to itself at all.

So rather than say they window is stretching, we should say that the second bar's (top bar) allocated hover space (the 'gap' as it were) disappears when the panel animation takes place.

Personally the hover space ('gap') is a bit annoying, I would think that the panel would poke over anything instead of just moving everything 10 pixels or so.