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This issue shows in thunar because of an issue in an underlying library (Gtk / GLib / Gio / Gvfs /...)
A link to the underlying issue should be added to the thunar issue. It might sense to keep to thunar issue open in order to implement a workaround.
5. Button/Key Actions
Xfce / xfce4-power-manager
Actions taken when different power or brightness related buttons are pressed
5. Devices
Xfce / xfce4-power-manager
Devices reporting their charge level and state, like laptop batteries
Prioritized