Samba is also often used in Linux and Unix servers to provide Server Message Block (SMB) and Common Internet File System (CIFS) file access to Windows and macOS computers. With its support for Active Directory (AD), it's often used in enterprise networks as well as home and small businesses.
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Greater Kerberos client encryption type support: With this Samba's winbindd can enforce strong or legacy encryption in Kerberos authentication exchanges. This enables Windows systems on networks still using Windows Server 2003R2 and newer Domain Controller (DC) Kerberos authentication systems to login into Samba servers.
Improved Windows 10 printer support: You will now be able to use printer drivers from Windows 10 to Samba-attached printers. The Samba programmers are working on implementing the Microsoft Print System Asynchronous Remote Protocol (MS-PAR). Until then, from your Windows PC's view point, the Samba server will look like Windows Server 2003 R2 SP2.
AD Lightweight Directory Access Protocol (LDAP) and replication performance improvements: Samba's LDB -- the database holding the AD directory tree, as seen via LDAP -- and Samba's Directory Replication Service (DRS) remote protocol has been given significant performance enhancements. This speeds up AD DC replications. With poorly indexed object searches, other improvements will speed up these searches by 20 percent.
Group membership: Now, when a user logs in to a Samba server, the domain controller correctly calculates the user's group memberships. Samba can also now assign users to use other groups besides the Windows primary group as their primary group.
What all this means is that Samba servers will fit better into Windows networks. It also means administrators and users will get better access to file and printer resources on both Windows and Linux/Samba servers.