[Ubuntu-x-swat] [Bug 1780664] Re: Recent libgl-mesa graphics update prevents drop down list menu appearing in apps like firefox three line/bar menu icon

Selecting OpenGL interface EGL fixed the menu drop-down problem, so all the programs I use operate OK, but with menu buttons grey instead of usual colour. Ths bug the same as reported in https://bugs.launchpad.net/ubuntu/+source/okular/+bug/1782132 -- You received this bug notification because

[Ubuntu-x-swat] [Bug 1780664] Re: Recent libgl-mesa graphics update prevents drop down list menu appearing in apps like firefox three line/bar menu icon

Thanks Timo, Using xenial-proposed and running sudo apt-get install xserver-xorg-core/xenial-proposed fixed it for me also (the above command also updated xserver-common) -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu.