SerNets Samba team just released the <link http: www.enterprisesamba.org _blank external-link-new-window>EnterpriseSAMBA packages in version 4.1.19 They are available for various SUSE and RedHat platforms as well as for Debian GNU/Linux and Ubuntu.
The packages are accessible at the <link https: portal.enterprisesamba.com the enterprisesamba>EnterpriseSAMBA Portal. They address a lot of issues, which are listed in the <link http: www.samba.org samba history samba-4.1.19.html release>Samba release history.
Please note that you no longer need to register to be able to access the packages. To access the download server you just need to login with your username and accesskey or the new public user shown at the portal.