Dear Maintainer,

to reproduce the crash

start thunar
one view
create folder Y
enter Y
create document Y.txt
split view
click on left view, open parent
create folder X
in left view move Y to X
click on right view
crash

(thunar:312019): GLib-CRITICAL **: 10:59:40.350: g_sequence_get: assertion
'iter != NULL' failed
Segmentation fault

Sorry should have updated first, still happens on the latest.

ii  desktop-file-utils              0.28-1
ii  exo-utils                       4.20.0-1
ii  libatk1.0-0t64:amd64            2.56.1-2
ii  libc6:amd64                     2.41-7
ii  libc6-dbg:amd64                 2.41-7
ii  libc6-dev:amd64                 2.41-7
ii  libcairo2:amd64                 1.18.4-1+b1
ii  libcairo2-dev:amd64             1.18.4-1+b1
ii  libexo-2-0:amd64                4.20.0-1
ii  libgdk-pixbuf-2.0-0:amd64       2.42.12+dfsg-2
ii  libglib2.0-0t64:amd64           2.84.1-1
ii  libgtk-3-0t64:amd64             3.24.49-3
ii  libgudev-1.0-0:amd64            238-6
ii  libice6:amd64                   2:1.1.1-1
ii  libnotify4:amd64                0.8.6-1
ii  libpango-1.0-0:amd64            1.56.3-1
ii  libsm6:amd64                    2:1.2.6-1
ii  libthunarx-3-0:amd64            4.20.2-1
ii  libxfce4ui-2-0:amd64            4.20.1-1
ii  libxfce4util7:amd64             4.20.1-1
ii  libxfconf-0-3:amd64             4.20.0-1
ii  thunar                          4.20.2-1
ii  thunar-archive-plugin:amd64     0.5.3-1
ii  thunar-data                     4.20.2-1
ii  thunar-media-tags-plugin:amd64  0.4.0-2+b1
ii  thunar-volman                   4.20.0-1

control: tag -1 unreproducible, moreinfo

Hi,

thanks for the report, but I don't seem to be able to reproduce here using
your detailed steps above.

Ok, happen every time for me :-(

What's the best way to give you some debug info?

Here' a gdb debug log file of the crash.