i'm running into this thanks to zoneminder (it looks like some packages which were depending on rsyslogd|system-log-daemon, ala the aforementioned nullmailer, no longer do). looking at /var/lib/dpkg/info/systemd.postinst, it appears that persistent journal in auto-mode *is* enabled by default on new installs and upgrades:
# Enable persistent journal, in auto-mode, by default on new installs and upgrades if dpkg --compare-versions "$2" lt "244.1-2~"; then mkdir -p /var/log/journal ought this bug be revisited given this fact? i see the last comment is from 2017, and systemd 244 was released in 2019. i see reference to some other, small package which enables persistent logging, but i'm unaware of any such package, and it seems unlikely to exist given the code above.
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