I don't believe this is a bug. The service is disabled by default. Older versions of mini-httpd are non-native services.
Did you forget to 'systemctl enable mini-httpd'? # ls -l /etc/rc5.d/*mini-httpd lrwxrwxrwx 1 root root 20 May 23 2024 /etc/rc5.d/S01mini-httpd -> ../init.d/mini-httpd # systemctl disable mini-httpd mini-httpd.service is not a native service, redirecting to systemd-sysv-install. Executing: /lib/systemd/systemd-sysv-install disable mini-httpd # ls -l /etc/rc5.d/*mini-httpd lrwxrwxrwx 1 root root 20 May 23 2024 /etc/rc5.d/K01mini-httpd -> ../init.d/mini-httpd # systemctl enable mini-httpd mini-httpd.service is not a native service, redirecting to systemd-sysv-install. Executing: /lib/systemd/systemd-sysv-install enable mini-httpd # ls -l /etc/rc5.d/*mini-httpd lrwxrwxrwx 1 root root 20 May 23 2024 /etc/rc5.d/S01mini-httpd -> ../init.d/mini-httpd