Same result here :
Debian GNU/Linux 9.12 (stretch) -- 4.9.0-11-amd64 #1 SMP Debian 4.9.189-3+deb9u2
$ /opt/enpass/Enpass
QQmlComponent: Created graphical object was not placed in the graphics scene.
[...]
QQmlComponent: Created graphical object was not placed in the graphics scene.
QFile::remove: Empty or null file name
Case insensitive sorting unsupported in the posix collation implementation
Numeric mode unsupported in the posix collation implementation
Segmentation fault
Sadly went back to the previous version...
