Fix Version/s: None
0.4.12-RC-46-g317ca41 gcc dbg lin is affected
VBox4.3.12, VBEMP, desktop resolution 800x600 32bpp
Pressing F11 switches to fullscreen and should hide the taskbar
Pressing F11 switches to fullscreen but leaves the taskbar visible
All that it logs upon switching is
I suspect the bug to only happen with explorer_new, but not with explorer_old or 2k3sp2 explorer as shell (but did not double-check yet).
I observed the bug for the first time with 0.4.11RC36, but I suspect it is happening much longer already.