SAMBA+ version 4.19.4 is available for download. SerNet released packages for various SUSE and Red Hat platforms as well as for Debian GNU/Linux, Ubuntu and AIX.
SAMBA+ 4.19.4 comes with an array of enhancements and bug fixes aimed at improving performance and stability across all supported platforms. Changes are listed in the release notes: https://www.samba.org/samba/history/samba-4.19.4.html