This bug was fixed in the package thunar - 1.8.4-1ubuntu1
--------------- thunar (1.8.4-1ubuntu1) disco; urgency=medium
* d/p/lp1822380.patch: - Fix display of right-click menu (LP: #1822380)
-- Sean Davis <email address hidden> Mon, 15 Apr 2019 19:36:31 -0400
This bug was fixed in the package thunar - 1.8.4-1ubuntu1
---------------
thunar (1.8.4-1ubuntu1) disco; urgency=medium
* d/p/lp1822380. patch:
- Fix display of right-click menu (LP: #1822380)
-- Sean Davis <email address hidden> Mon, 15 Apr 2019 19:36:31 -0400