[zeromq-announce] libzmq 4.3.5 has been released

Luca Boccassi luca.boccassi at gmail.com
Mon Oct 9 13:18:14 CEST 2023

Hello everyone,

The ZeroMQ community is proud to announce the release of version 4.3.5!

This is a bug fix release. The main change is the relicensing from
LGPL-3.0+ (with custom exceptions) to MPL-2.0.

New release:


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:



This is a patch release. This release is ABI compatible with libzmq
4.1.2 and up.

Please report any issues on the Github tracker.

Kind regards,
Luca Boccassi
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