Samba 3.2.0 estável disponivel para download.

Só como uma dica, acabei de receber um e-mail anunciando o lançamento da primeira versão estável do Samba 3.2.0.

Principais mudanças/melhorias (em inglês):

File Serving:
o Use of IDL generated parsing layer for several DCE/RPC
interfaces.
o Removal of the 1024 byte limit on pathnames and 256 byte limit on
filename components to honor the MAX_PATH setting from the host OS.
o Introduction of a registry based configuration system.
o Improved CIFS Unix Extensions support.
o Experimental support for file serving clusters.
o Support for IPv6 in the server, and client tools and libraries.
o Support for storing alternate data streams in xattrs.
o Encrypted SMB transport in client tools and libraries, and server.
o Support for Vista clients authenticating via Kerberos.

Winbind and Active Directory Integration:
o Full support for Windows 2003 cross-forest, transitive trusts
and one-way domain trusts.
o Support for userPrincipalName logons via pam_winbind and NSS
lookups.
o Expansion of nested domain groups via NSS calls.
o Support for Active Directory LDAP Signing policy.
o New LGPL Winbind client library (libwbclient.so).
o Support for establishing interdomain trust relationships with
Windows 2008.

Joining:
o New NetApi library for domain join related queries (libnetapi.so)
and example GTK+ Domain join gui.
o New client and server support for remotely joining and unjoining
Domains.
o Support for joining into Windows 2008 domains.

Users & Groups:
o New ldb backend for local group mapping tables
o Raised level of security defaults for authentication operations.
o New NetApi library for user account related queries.

O e-mail era extenso para transcrever todo aqui, e ainda não tive tempo nem de baixar o software para avaliar. Caso queira fazer o download dos fontes, clique aqui.

Mais informações devem ser disponibilizadas em breve no site oficial do Samba.