@elcste you are correct, moving the bug to the right package.
** Package changed: pluma (Ubuntu) => ubuntu-mate-artwork (Ubuntu)
** Summary changed:
- Unable to scroll down language highlighting menu
+ Unable to scroll on Pluma language highlighting menu with Ambiant theme
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You received
I think this is a Ambiant-MATE GTK+ theme issue. I just tried it, and I
was able to scroll the list with two-finger trackpad scrolling with the
mouse cursor over the list, but not just by hovering at the bottom of
the menu. When I switched the the "Clearlook" GTK+ theme (more or less
at random),
** Attachment removed: "JournalErrors.txt"
https://bugs.launchpad.net/ubuntu/+source/pluma/+bug/1727594/+attachment/4995890/+files/JournalErrors.txt
** Attachment removed: "ProcCpuinfoMinimal.txt"
