The gtk-patch in #5 from https://www.linuxquestions.org/questions/linux-desktop-74/thunar-bug-in-right-mouse-menus-4175651369/ fixes the problem!
The gtk-patch in #5 from /www.linuxquest ions.org/ questions/ linux-desktop- 74/thunar- bug-in- right-mouse- menus-417565136 9/
https:/
fixes the problem!