It's probably the distro's own Qt5 platform plugin for that Desktop. They use them to try and force a consistent theme across all apps.
I've never had any problems with the platform plugins on Gnome or Cinnamon desktops, but I've run into KDE/Qt5 issues in the past that we've had to try and come up with workarounds for. Injecting the keyboard shortcut ampersands into Menu items' name properties was the last one I remember. It prevented plugins from being run from the menus on certain KDE desktops, if I recall.
Last edited by DiapDealer; 07-25-2018 at 01:26 PM.
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