Dear Brian,
Unfortunately, even your addon:
Does not work.
I get full of
2026-04-28 21:50:26.148: WARNING: imagethumb.py: line 99: Error scaling image down: Unable to marshal str as an array, use .encode() to convert to bytes
Invalid byte sequence in conversion input
The first warning/error in the log file (on the console) is
/usr/lib/python3/dist-packages/gramps/gui/glade.py:57: PyGIWarning: GObject derived class Glade shouldn’t use slots.
class Glade(Gtk.Builder):
I don’t know if it is related.
I managed to install version 6.0.1 on another linux computer (my laptop) which run well.
So I will revert also to this previous version on my desktop expecting it to work.
Anyway, thanks for help and assistance
Regards,
Robert