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0MQ version 3.2.0 (RC1), released on 2012/06/05
===============================================
Bug fixes
---------
* Fixed issue 264 - Potential bug with linger, messages dropped during
socket close.
* Fixed issue 293 - libzmq doesn't follow the ZMTP/1.0 spec (did not
set reserved bits to 0).
* Fixed issue 303 - Assertion failure in pgm_sender.cpp:102.
* Fixed issue 320 - Assertion failure in connect_session.cpp:96 when
connecting epgm to an invalid endpoint.
* Fixed issue 325 - Assertion failure in xrep.cpp:93, when two sockets
connect using the same identity.
* Fixed issue 327 - Assertion failure in mtrie.cpp:246, when
unsubscribing from channel.
* Fixed issue 346 - Assertion failure in signaler.cpp:155, when using a
closed socket.
* Fixed issue 328 - unsubscribe wrongly clears multiple subscriptions.
* Fixed issue 330 - IPC listener does not remove unix domain stream file
when terminated.
* Fixed issue 334 - Memory leak in session_base.cpp:59.
* Fixed issue 369 - ROUTER cannot close/reopen while DEALER connected.
Operating systems
-----------------
* Fixed issue 301 - HPUX 11iv2 - build fails, CLOCK_MONOTONIC
undefined.
* Fixed issue 324 - OS/X - build fails, ECANTROUTE undefined.
* Fixed issue 368 - Solaris / Sun C++ - build fails, no insert method
in multimap classes.
* Fixed issue 366 - Windows - ports not freed after crash.
* Fixed issue 355 - Windows - build fails, MSVC solution file is out of
date.
* Fixed issue 331 - FreeBSD 8 and 9 - getaddrinfo fails with
EAI_BADFLAGS on AI_V4MAPPED flag.
* Fixed issue xxx - Added support for WinCE.
Performance
-----------
* Fixed issue xxx - Implemented atomic operations for ARMv7a (runs 15-20% faster).
API changes
-----------
* Fixed issue 337 - Cleaned-up context API:
zmq_ctx_new() - create new context (will deprecate zmq_init)
zmq_ctx_destroy() - destroy context (will deprecate zmq_term)
zmq_ctx_set() - set context property
zmq_ctx_get() - get context property
* Fixed issue xxx - Cleaned-up message API:
zmq_msg_send() - send a message (will deprecate zmq_sendmsg)
zmq_msg_recv() - receive a message (will deprecate zmq_recvmsg)
zmq_msg_more() - indicate whether this is final part of message
zmq_msg_get() - get message property
zmq_msg_set() - set message property
* Fixed issue xxx - Added context monitoring API:
zmq_ctx_set_monitor() - configure monitor callback.
* Fixed issue xxx - Added unbind/disconnect API:
zmq_unbind() - unbind socket.
zmq_disconnect() - disconnect socket.
* Fixed issue xxx - Added ZMQ_TCP_ACCEPT_FILTER setsockopt() for listening TCP sockets.
* Fixed issue 336 - Removed sys: transport.
* Fixed issue 333 - Added zmq_device function back to API (was removed
in 3.0).
* Fixed issue 340 - Add support for MAX_SOCKETS to new context API.
OMQ version 3.1.0 (beta), released on 2011/12/18
================================================
General information
-------------------
Based on community consensus, the 0MQ 3.1.x release reverts a number of
features introduced in version 3.0. The major reason for these changes is
improving backward compatibility with 0MQ 2.1.x.
Development of the 0MQ 3.0.x series will be discontinued, and users are
encouraged to upgrade to 3.1.
The 0MQ 3.1.x releases use ABI version 3.
Reverted functionality
----------------------
The following functionality present in 0MQ 3.0 has been reverted:
* Wire format changes. The 0MQ 3.1 wire format is identical to that of 0MQ
2.1.
* LABELs and COMMANDs have been removed.
* Explicit identies are re-introduced, however they can be used only for
explicit routing, not for durable sockets.
* The ZMQ_ROUTER and ZMQ_DEALER socket types are once again aliases for
ZMQ_XREQ and ZMQ_XREP.
New functionality
-----------------
* The zmq_getmsgopt() function has been introduced.
* Experimental IPv6 support has been introduced. This is disabled by
default, see the zmq_setsockopt() documentation for enabling it.
Other changes
-------------
* The default HWM for all socket types has been set to 1000.
* Many bug fixes.
Building
--------
* The dependency on libuuid has been removed.
* Support for building on Android, and with MSVC 10 has been added.
Older versions
==============
* See NEWS in ZeroMQ 2.1.x repository at http://github.com/zeromq/zeromq2-1.
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