No, it is not "just a theme problem", but it can be fixed by setting backgrounds for various widgets in the theme. We did that for ubuntu- themes last cycle.
These theme fixes aren't necessary with gtk 3.12 (or without overlay- scrollbars). -- You received this bug notification because you are a member of DX Packages, which is subscribed to overlay-scrollbar in Ubuntu. Matching subscriptions: dx-packages https://bugs.launchpad.net/bugs/1316613 Title: com.canonical.desktop.interface scrollbar-mode corrupts gtk3 apps in non-Unity desktops Status in “overlay-scrollbar” package in Ubuntu: Confirmed Bug description: This setting needs to be 'normal' for non-Unity desktops (i.e. Gnome- Shell, Cinnamon) or else background color corruption occurs in certain widgets (I suspect maybe the GtkScrolledWindow widgets?) See pictures here: https://github.com/linuxmint/Cinnamon/issues/2771 Nothing immediately jumps out at me in the quilt patches, but I will investigate further and see if I can troubleshoot this as well. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/overlay-scrollbar/+bug/1316613/+subscriptions -- Mailing list: https://launchpad.net/~dx-packages Post to : dx-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~dx-packages More help : https://help.launchpad.net/ListHelp