We released a new stable version 1.6.12. The list of most important changes:

• (mount,cs) added ability to bind outgoing sockets to specific IP (-B option in mfsmount and BIND_HOST in mfschunkserver)
• (mount) fixed locking in read module
• small fix in mfscgiserv
• zlib is now an obligatory package

Please download MooseFS here.