cannot access encrypted USB drive with Thunar in Whonix 15

Would it help to start thunar from command line to see any error messages?

Does this also happen in Debian buster?

security-misc/etc/skel/.config/xfce4/xfconf/xfce-perchannel-xml/thunar.xml at master · Kicksecure/security-misc · GitHub disables thunar-volman by default for better security.

Thunar → edit → preferences → advanced → enable volume management

Thunar → edit → preferences → advanced → configure → check the removeable storage options