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@@ -1,10 +1,28 @@
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-Changes in version 0.2.2.14-alpha - 2010-06-30
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+Changes in version 0.2.2.14-alpha - 2010-07-1?
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o Major bugfixes:
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- Tor directory authorities no longer crash when started with a
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- cached-microdesc-consensus file in their data directory. Bugfix on
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- 0.2.2.6-alpha, fixes bug 1532.
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+ cached-microdesc-consensus file in their data directory. Bugfix
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+ on 0.2.2.6-alpha; fixes bug 1532.
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- Treat an unset $HOME like an empty $HOME rather than triggering an
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- assert. Fixes bug 1522; bugfix on tor-0.0.8pre1.
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+ assert. Bugfix on 0.0.8pre1; fixes bug 1522.
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+ - Ignore negative and large circuit build timeout values that can
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+ happen during a suspend or hibernate. These values caused various
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+ asserts to fire. Bugfix on 0.2.2.2-alpha; fixes bug 1245.
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+ - Alter calculation of Pareto distribution parameter 'Xm' for
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+ Circuit Build Timeout learning to use the weighted average of
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+ the top N=3 modes, because we have three entry guards. This should
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+ improve the timeout calculation in some cases, and prevent extremely
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+ high timeout values. Bugfix on 0.2.2.2-alpha; fixes bug 1335.
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+ - Alter calculation of Pareto distribution parameter 'Alpha' to use a
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+ right censored distribution model. This allows us to remove
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+ the synthetic timeout generation and instead calculate build
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+ timeouts using truncated times. Bugfix on 0.2.2.2-alpha; fixes
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+ bugs 1245+1335.
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+ - Keep circuits open (but do not use them) after the circuit
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+ timeout for up until the time corresponding to the 95th percentile
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+ on the Pareto CDF or 60 seconds, whichever is greater. This is done
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+ to provide better data for the new Pareto model. This percentile
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+ can be controlled by the consensus.
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o Major features:
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- Move to the June 2010 Maxmind GeoLite country db (rather than the
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@@ -36,6 +54,16 @@ Changes in version 0.2.2.14-alpha - 2010-06-30
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- Convert the HACKING file to asciidoc, and add a few new sections
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to it, explaining how we use Git, how we make changelogs, and
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what should go in a patch.
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+ - Add a TIMEOUT_RATE keyword to the BUILDTIMEOUT_SET control port
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+ event, to give information on the current rate of circuit timeouts
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+ over our stored history.
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+ - Add ability to disable circuit build time learning via consensus
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+ parameter and via a LearnCircuitBuildTimeout config option. Also
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+ automatically disable circuit build time calculation if we are
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+ either a AuthoritativeDirectory, or if we fail to write our state
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+ file. Fixes bug 1296.
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+ - More gracefully handle corrupt state files, removing asserts
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+ in favor of saving a backup and resetting state.
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o Minor bugfixes:
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- Build correctly on OSX with zlib 1.2.4 and higher with all warnings
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@@ -62,6 +90,10 @@ Changes in version 0.2.2.14-alpha - 2010-06-30
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we fortunately don't use those circuits. Many thanks to outofwords
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for the initial analysis and to swissknife who confirmed that
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two-hop circuits are actually created.
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+ - Make directory mirrors report non-zero dirreq-v[23]-shares again.
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+ Fixes bug 1564; bugfix on 0.2.2.9-alpha.
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+ - Eliminate a case where a circuit build time warning was displayed
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+ after network connectivity resumed. Bugfix on 0.2.2.2-alpha.
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Changes in version 0.2.1.26 - 2010-05-02
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