
Sept. 12, 2025
7:46 p.m.
Also using debian and had the same issue after upgrade to trixie.
I had to add 'django.contrib.humanize' to /etc/mailman3/mailman-web.py /usr/share/mailman3-web/settings.py seems to be only a fallback, settings are overwritten in /etc/mailman3/mailman-web.py, so adding it here (it is already there), may does not have any effect.