meejah at meejah.ca
Wed Oct 20 00:01:09 UTC 2021
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ANNOUNCING Tahoe, the Least-Authority File Store, v1.16.0
The Tahoe-LAFS team is pleased to announce version 1.16.0 of
Tahoe-LAFS, an extremely reliable decentralized storage
system. Get it with "pip install tahoe-lafs", or download a
Tahoe-LAFS is the first distributed storage system to offer
"provider-independent security" — meaning that not even the
operators of your storage servers can read or alter your data
without your consent. Here is the one-page explanation of its
unique security and fault-tolerance properties:
The previous stable release of Tahoe-LAFS was v1.15.1, released on
March 23rd, 2021.
The major change in this release is the completion of the Python 3
port -- while maintaining support for Python 2. A future release will
remove Python 2 support.
The previously deprecated subcommands "start", "stop", "restart" and
"daemonize" have been removed. You must now use "tahoe run" (possibly
along with your favourite daemonization software).
Several features are now removed: the Account Server, stats-gatherer
and FTP support.
There are several dependency changes that will be interesting for
In all, 240 issues have been fixed since the last release.
Please see ``NEWS.rst`` for a more complete list of changes.
WHAT IS IT GOOD FOR?
With Tahoe-LAFS, you distribute your data across multiple
servers. Even if some of the servers fail or are taken over
by an attacker, the entire file store continues to function
correctly, preserving your privacy and security. You can
easily share specific files and directories with other people.
In addition to the core storage system itself, volunteers
have built other projects on top of Tahoe-LAFS and have
integrated Tahoe-LAFS with existing systems, including
Puppet, bzr, mercurial, perforce, duplicity, TiddlyWiki, and
more. See the Related Projects page on the wiki .
We believe that strong cryptography, Free and Open Source
Software, erasure coding, and principled engineering practices
make Tahoe-LAFS safer than RAID, removable drive, tape,
on-line backup or cloud storage.
This software is developed under test-driven development, and
there are no known bugs or security flaws which would
compromise confidentiality or data integrity under recommended
use. (For all important issues that we are currently aware of
please see the known_issues.rst file .)
This release should be compatible with the version 1 series of
Tahoe-LAFS. Clients from this release can write files and
directories in the format used by clients of all versions back
to v1.0 (which was released March 25, 2008). Clients from this
release can read files and directories produced by clients of
all versions since v1.0.
Network connections are limited by the Introducer protocol in
use. If the Introducer is running v1.10 or v1.11, then servers
from this release (v1.12) can serve clients of all versions
back to v1.0 . If it is running v1.12, then they can only
serve clients back to v1.10. Clients from this release can use
servers back to v1.10, but not older servers.
Except for the new optional MDMF format, we have not made any
intentional compatibility changes. However we do not yet have
the test infrastructure to continuously verify that all new
versions are interoperable with previous versions. We intend
to build such an infrastructure in the future.
This is the twenty-first release in the version 1 series. This
series of Tahoe-LAFS will be actively supported and maintained
for the foreseeable future, and future versions of Tahoe-LAFS
will retain the ability to read and write files compatible
with this series.
You may use this package under the GNU General Public License,
version 2 or, at your option, any later version. See the file
"COPYING.GPL"  for the terms of the GNU General Public
License, version 2.
You may use this package under the Transitive Grace Period
Public Licence, version 1 or, at your option, any later
version. (The Transitive Grace Period Public Licence has
requirements similar to the GPL except that it allows you to
delay for up to twelve months after you redistribute a derived
work before releasing the source code of your derived work.)
See the file "COPYING.TGPPL.rst"  for the terms of the
Transitive Grace Period Public Licence, version 1.
(You may choose to use this package under the terms of either
licence, at your option.)
Tahoe-LAFS works on Linux, Mac OS X, Windows, Solaris, *BSD,
and probably most other systems. Start with "docs/INSTALL.rst"
HACKING AND COMMUNITY
Please join us on the mailing list . Patches are gratefully
accepted -- the Roadmap page  shows the next improvements
that we plan to make and CREDITS  lists the names of people
who've contributed to the project. The Dev page  contains
resources for hackers.
A special thanks goes out to Least Authority Enterprises ,
which employs several Tahoe-LAFS developers, for their
If you can find a security flaw in Tahoe-LAFS which is serious
enough that we feel compelled to warn our users and issue a fix,
then we will award you with a customized t-shirt with your
exploit printed on it and add you to the "Hack Tahoe-LAFS Hall
Of Fame" .
This is the eighteenth release of Tahoe-LAFS to be created
solely as a labor of love by volunteers. Thank you very much
to the team of "hackers in the public interest" who make
fenn-cs + meejah
on behalf of the Tahoe-LAFS team
October 19, 2021
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