Created attachment 4879 Screenshot of the described bug Elements placement differs in two different states: no window buttons shown and at least one window button present. In the second case, all panel elemens (tray, custom button, clock etc.) are moved 1 pixel to the left. It may seem as a minor issue not worth fixing, but believe me when I am switching from desktop with windows to a desktop without any this panel movement is REALLY annoying (my panel configuration is to show windows only from current display). I've attached screenshot of the panel in both cases described above and ypu can clearly see 1 px move to the left when there is a window button it is NOT my bad gimp editing skills. Not sure though if it is purely separator bug and AFAIR there was no such issue in XFCE 4.8.
Created attachment 4880 xfce4-panel.xml My panel configuration
(In reply to comment #0) > from current display). current desktop it is.
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