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GNUnet 0.19.0 released

From: Martin Schanzenbach
Subject: GNUnet 0.19.0 released
Date: Wed, 7 Dec 2022 11:23:39 +0900

We are pleased to announce the release of GNUnet 0.19.0.
GNUnet is an alternative network stack for building secure, decentralized and
privacy-preserving distributed applications. Our goal is to replace the old
insecure Internet protocol stack. Starting from an application for secure
publication of files, it has grown to include all kinds of basic protocol
components and applications towards the creation of a GNU internet.

This is a new major release. It breaks protocol compatibility with the 0.18.x
versions. Please be aware that Git master is thus henceforth (and has been for a
while) INCOMPATIBLE with the 0.18.x GNUnet network, and interactions between old
and new peers will result in issues. 0.18.x peers will be able to communicate
with Git master or 0.19.x peers, but some services - in particular the DHT -
will not be compatible.
In terms of usability, users should be aware that there are still a number of
known open issues in particular with respect to ease of use, but also some
critical privacy issues especially for mobile users. Also, the nascent network
is tiny and thus unlikely to provide good anonymity or extensive amounts of
interesting information. As a result, the 0.19.0 release is still only suitable
for early adopters with some reasonable pain tolerance.

Download links:


Note that due to mirror synchronization, not all links might be functional early
after the release. For direct access try

Noteworthy changes in 0.19.0 (since 0.18.2):

    UTIL: Moved GNUNET_BIO_MetaData handling into FS.
    BUILD: platform.h removed as it should not be used by third parties anyway.
           gnunet_config.h is renamed to gnunet_private_config.h and the new
           replacement gnunet_config.h is added to provide build information for
           components linking against/using GNUnet.
    UTIL: Components part of gnunet_util_lib.h must now be included through
          gnunet_util_lib.h and through that header only.
    NAMESTORE: gnunet-namestore can now parse a list of records into zones from
               stdin in new recordline format.
    GTK: Added an identity selector to the search to accomodate for previously
         deprecated "default" identities for subsystems.
    Other: Postgres plugins implementations modernized and previous regressions 

A detailed list of changes can be found in the ChangeLog
( and the bug tracker

Known Issues:

    - There are known major design issues in the TRANSPORT, ATS and CORE
      subsystems which will need to be addressed in the future to achieve
      acceptable usability, performance and security.
    - There are known moderate implementation limitations in CADET that
      negatively impact performance.
    - There are known moderate design issues in FS that also impact usability
      and performance.
    - There are minor implementation limitations in SET that create unnecessary
      attack surface for availability.
    - The RPS subsystem remains experimental.
    - Some high-level tests in the test-suite fail non-deterministically due to
      the low-level TRANSPORT issues.

In addition to this list, you may also want to consult our bug tracker at which lists about 190 more specific issues.


This release was the work of many people. The following people contributed code
and were thus easily identified: Christian Grothoff, Tristan Schwieren,
madmurphy, t3sserakt, TheJackiMonster and Martin Schanzenbach.

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