Samba now stores most of its persistent data in a LDAP-like database
called LDB (see ldb(7) for more info).
-Much improved SWAT
-==================
-SWAT has had some rather large improvements and is now more than just a
-direct editor for smb.conf. Its layout has been improved. SWAT can now also
-be used for editing run-time data - maintaining user information, provisioning,
-etc. TLS is supported out of the box.
-
Built-in KDC
============
Samba4 ships with an integrated KDC (Kerberos Key Distribution