Gianluca Cecchi wrote: >> >> However, if the pull down menu is selected and the 'Toggle' button >> pressed, the menu stays on the screen - and stays put even if the window >> is moved > > I confirm exactly your behaviour with CentOS 7. The toggle makes the drop > down to remain expanded and if I move the window the drop down remains > where it was. > With F28 all is ok and as expected Thanks - given that it works OK on F28, I had a look through the Marco bugs and commits and came across: https://github.com/mate-desktop/marco/issues/324 which appears to describe the problem and using the patch at: https://github.com/mate-desktop/marco/commit/59756b8d77dfbd0948d7e4d3349477173aa2728a does indeed appear to fix the problem when 'compositing-manager' is set to 'true' ... which is good James Pearson