[tor-packagers] New *stable* release: Tor 0.4.5.6
Nick Mathewson
nickm at torproject.org
Mon Feb 15 17:56:43 UTC 2021
Hello!
Tor 0.4.5.6 is now signed and uploaded to https://dist.torproject.org/
. It's officially a stable release now!
Below is a list of the changes since 0.4.5.5-rc. For a list of all
the changes since 0.4.4.7, see the ReleaseNotes file.
Official announcements will follow after the website has updated.
Changes in version 0.4.5.6 - 2021-02-15
The Tor 0.4.5.x release series is dedicated to the memory of Karsten
Loesing (1979-2020), Tor developer, cypherpunk, husband, and father.
Karsten is best known for creating the Tor metrics portal and leading
the metrics team, but he was involved in Tor from the early days. For
example, while he was still a student he invented and implemented the
v2 onion service directory design, and he also served as an ambassador
to the many German researchers working in the anonymity field. We
loved him and respected him for his patience, his consistency, and his
welcoming approach to growing our community.
This release series introduces significant improvements in relay IPv6
address discovery, a new "MetricsPort" mechanism for relay operators
to measure performance, LTTng support, build system improvements to
help when using Tor as a static library, and significant bugfixes
related to Windows relay performance. It also includes numerous
smaller features and bugfixes.
Below are the changes since 0.4.4.4-rc. For a complete list of changes
since 0.4.4.7, see the ReleaseNotes file.
o Major bugfixes (IPv6, relay):
- Fix a bug that prevented a relay from publishing its descriptor if
an auto-discovered IPv6 that was found unreachable. Fixes bug
40279; bugfix on 0.4.5.1-alpha.
o Minor features (protocol versions):
- Stop claiming to support the "DirCache=1" subprotocol version.
Technically, we stopped supporting this subprotocol back in
0.4.5.1-alpha, but we needed to wait for the authorities to stop
listing it as "required" before we could drop it from the list.
Closes ticket 40221.
o Minor bugfixes (logging):
- Avoid a spurious log message about missing subprotocol versions,
when the consensus that we're reading from is older than the
current release. Previously we had made this message nonfatal, but
in practice, it is never relevant when the consensus is older than
the current release. Fixes bug 40281; bugfix on 0.4.0.1-alpha.
o Minor bugfixes (metrics port):
- Fix a bug warning when a metrics port socket was unexpectedly
closed. Fixes bug 40257; bugfix on 0.4.5.1-alpha
o Minor bugfixes (relay):
- Allow relays to have a RFC1918 address if PublishServerDescriptor
is set to 0 and AssumeReachable is set to 1. This is to support
the use case of a bridge on a local network, exposed via a
pluggable transport. Fixes bug 40208; bugfix on 0.4.5.1-alpha.
o Minor bugfixes (relay, config):
- Fix a problem in the removal of duplicate ORPorts from the
internal port list when loading the config file. We were removing
the wrong ports, breaking valid torrc uses cases for multiple
ORPorts of the same address family. Fixes bug 40289; bugfix
on 0.4.5.1-alpha.
cheers,
--
Nick
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