yes, i can confirm the issue still isn´t fixed in final, but workaround in /usr/share/themes/Ambiance/gtk-2.0/gtkrc or /usr/share/themes/Radiance/gtk-2.0/gtkrc works for me.
try to change the line:
bg_pixmap[NORMAL] = "panel_bg.png"
to
bg_pixmap[NORMAL] = "panel_bg_40.png"
yes, i can confirm the issue still isn´t fixed in final, but workaround in /usr/share/ themes/ Ambiance/ gtk-2.0/ gtkrc or /usr/share/ themes/ Radiance/ gtk-2.0/ gtkrc works for me.
try to change the line:
bg_pixmap[NORMAL] = "panel_bg.png"
to
bg_pixmap[NORMAL] = "panel_bg_40.png"
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