Samba client version 2.2.0 beta 4 has been released (2/27/2014), based on Samba 3.5. Also available (10/3/2013) is version 2.1.5, based on Samba 3.3.16. This is a plugin for the NetDrive Filesystem (or EVFS), which allows you to mount SMB or CIFS shares on OS/2 without the need of NetBIOS (IBM LAN Manager or IBM Peer).
Source: OS/2 Warp News and Rumors