improvements

Tor 0.2.2.1-alpha disables ".exit" address notation by default, allows
Tor clients to bootstrap on networks where only port 80 is reachable,
makes it more straightforward to support hardware crypto accelerators,
and starts the groundwork for gathering stats safely at relays.

https://www.torproject.org/download

We've been improving our packages and bundles:
Packaging changes: read more »

• Upgrade Vidalia from 0.1.15 to 0.2.3 in the Windows and OS X
  installer bundles. See
  https://trac.vidalia-project.net/browser/vidalia/tags/vidalia-0.2.3/CHAN...
  for details of what's new in Vidalia 0.2.3.
• Windows Vidalia Bundle: update Privoxy from 3.0.6 to 3.0.14-beta.
• OS X Vidalia Bundle: move to Polipo 1.0.4 with Tor specific
  configuration file, rather than the old Privoxy.
• OS X Vidalia Bundle: Vidalia, Tor, and Polipo are compiled as
  x86-only for better compatibility with OS X 10.6, aka Snow Leopard.

Changes in version 0.2.1.14-rc - 2009-04-12
Major features: read more »

• Clients replace entry guards that were chosen more than a few months ago. This change should significantly improve client performance, especially once more people upgrade, since relays that have been a guard for a long time are currently overloaded.

Tor 0.2.1.12-alpha features several more security-related fixes. You
should upgrade, especially if you run an exit relay (remote crash) or
a directory authority (remote infinite loop), or you're on an older
(pre-XP) or not-recently-patched Windows (remote exploit). It also
includes a big pile of minor bugfixes and cleanups.

https://www.torproject.org/download.html.en

Changes in version 0.2.1.12-alpha - 2009-02-08
Security fixes:

• Fix an infinite-loop bug on handling corrupt votes under certain
  circumstances. Bugfix on 0.2.0.8-alpha.
• Fix a temporary DoS vulnerability that could be performed by
  a directory mirror. Bugfix on 0.2.0.9-alpha; reported by lark.
• Avoid a potential crash on exit nodes when processing malformed
  input. Remote DoS opportunity. Bugfix on 0.2.1.7-alpha.

Minor bugfixes:

• Let controllers actually ask for the "clients_seen" event for read more »