[zeromq-announce] libzmq 4.2.5 has been released

Luca Boccassi luca.boccassi at gmail.com
Fri Mar 23 21:10:48 CET 2018

On Wed, 2018-03-21 at 16:18 +0000, Luca Boccassi wrote:
> Hello everyone,
> The ZeroMQ community is proud to announce the release of version
> 4.2.4!
> https://github.com/zeromq/libzmq/releases/tag/v4.2.4
> Distributable tarball and zip files can be found on the above link,
> together with the full changelog.
> Binary packages for the most common Linux distros and architectures
> can
> be found here, for DEB and RPM respectively:
> http://software.opensuse.org/download.html?project=network%3Amessagin
> g%3Azeromq%3Arelease-stable&package=libzmq3-dev
> http://software.opensuse.org/download.html?project=network%3Amessagin
> g%3Azeromq%3Arelease-stable&package=zeromq-devel
> This is a bugfix release. This release is ABI compatible with libzmq
> 4.1.2 and up.
> Please report any issues on the Github tracker.

I like these releases so much that I've just done a another one!

v4.2.5 is now available:


It was pushed out to fix a backward-incompatible change that slipped
into v4.2.3 and was blocking pyzmq.
The issue was that with NULL auth and a ZAP domain set, but no ZAP
handler available, connections were broken. This was already fixed for
other authentication methods but NULL was missed.
Strict ZAP protocol adherence is now behind the ZMQ_ZAP_ENFORCE_DOMAIN
in the NULL case as well.

Kind regards,
Luca Boccassi
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