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@@ -1,3 +1,171 @@ +Changes in version 0.4.2.4-rc - 2019-11-15 + Tor 0.4.2.4-rc is the first release candidate in its series. It fixes + several bugs from earlier versions, including a few that would result in + stack traces or incorrect behavior. + + o Minor features (build system): + - Make pkg-config use --prefix when cross-compiling, if + PKG_CONFIG_PATH is not set. Closes ticket 32191. + + o Minor features (geoip): + - Update geoip and geoip6 to the November 6 2019 Maxmind GeoLite2 + Country database. Closes ticket 32440. + + o Minor bugfixes (client, onion service v3): + - Fix a BUG() assertion that occurs within a very small race window + between when a client intro circuit opens and when its descriptor + gets cleaned up from the cache. The circuit is now closed early, + which will trigger a re-fetch of the descriptor and continue the + connection. Fixes bug 28970; bugfix on 0.3.2.1-alpha. + + o Minor bugfixes (code quality): + - Fix "make check-includes" so it runs correctly on out-of-tree + builds. Fixes bug 31335; bugfix on 0.3.5.1-alpha. + + o Minor bugfixes (configuration): + - Log the option name when skipping an obsolete option. Fixes bug + 32295; bugfix on 0.4.2.1-alpha. + + o Minor bugfixes (crash): + - When running Tor with an option like --verify-config or + --dump-config that does not start the event loop, avoid crashing + if we try to exit early because of an error. Fixes bug 32407; + bugfix on 0.3.3.1-alpha. + + o Minor bugfixes (directory): + - When checking if a directory connection is anonymous, test if the + circuit was marked for close before looking at its channel. This + avoids a BUG() stacktrace if the circuit was previously closed. + Fixes bug 31958; bugfix on 0.4.2.1-alpha. + + o Minor bugfixes (shellcheck): + - Fix minor shellcheck errors in the git-*.sh scripts. Fixes bug + 32402; bugfix on 0.4.2.1-alpha. + - Start checking most scripts for shellcheck errors again. Fixes bug + 32402; bugfix on 0.4.2.1-alpha. + + o Testing (continuous integration): + - Use Ubuntu Bionic images for our Travis CI builds, so we can get a + recent version of coccinelle. But leave chutney on Ubuntu Trusty, + until we can fix some Bionic permissions issues (see ticket + 32240). Related to ticket 31919. + - Install the mingw OpenSSL package in Appveyor. This makes sure + that the OpenSSL headers and libraries match in Tor's Appveyor + builds. (This bug was triggered by an Appveyor image update.) + Fixes bug 32449; bugfix on 0.3.5.6-rc. + - In Travis, use Xcode 11.2 on macOS 10.14. Closes ticket 32241. + + +Changes in version 0.4.2.3-alpha - 2019-10-24 + This release fixes several bugs from the previous alpha release, and + from earlier versions of Tor. + + o Major bugfixes (relay): + - Relays now respect their AccountingMax bandwidth again. When + relays entered "soft" hibernation (which typically starts when + we've hit 90% of our AccountingMax), we had stopped checking + whether we should enter hard hibernation. Soft hibernation refuses + new connections and new circuits, but the existing circuits can + continue, meaning that relays could have exceeded their configured + AccountingMax. Fixes bug 32108; bugfix on 0.4.0.1-alpha. + + o Major bugfixes (v3 onion services): + - Onion services now always use the exact number of intro points + configured with the HiddenServiceNumIntroductionPoints option (or + fewer if nodes are excluded). Before, a service could sometimes + pick more intro points than configured. Fixes bug 31548; bugfix + on 0.3.2.1-alpha. + + o Minor feature (onion services, control port): + - The ADD_ONION command's keyword "BEST" now defaults to ED25519-V3 + (v3) onion services. Previously it defaulted to RSA1024 (v2). + Closes ticket 29669. + + o Minor features (testing): + - When running tests that attempt to look up hostnames, replace the + libc name lookup functions with ones that do not actually touch + the network. This way, the tests complete more quickly in the + presence of a slow or missing DNS resolver. Closes ticket 31841. + + o Minor features (testing, continuous integration): + - Disable all but one Travis CI macOS build, to mitigate slow + scheduling of Travis macOS jobs. Closes ticket 32177. + - Run the chutney IPv6 networks as part of Travis CI. Closes + ticket 30860. + - Simplify the Travis CI build matrix, and optimise for build time. + Closes ticket 31859. + - Use Windows Server 2019 instead of Windows Server 2016 in our + Appveyor builds. Closes ticket 32086. + + o Minor bugfixes (build system): + - Interpret "--disable-module-dirauth=no" correctly. Fixes bug + 32124; bugfix on 0.3.4.1-alpha. + - Interpret "--with-tcmalloc=no" correctly. Fixes bug 32124; bugfix + on 0.2.0.20-rc. + - Stop failing when jemalloc is requested, but tcmalloc is not + found. Fixes bug 32124; bugfix on 0.3.5.1-alpha. + - When pkg-config is not installed, or a library that depends on + pkg-config is not found, tell the user what to do to fix the + problem. Fixes bug 31922; bugfix on 0.3.1.1-alpha. + + o Minor bugfixes (connections): + - Avoid trying to read data from closed connections, which can cause + needless loops in Libevent and infinite loops in Shadow. Fixes bug + 30344; bugfix on 0.1.1.1-alpha. + + o Minor bugfixes (error handling): + - Always lock the backtrace buffer before it is used. Fixes bug + 31734; bugfix on 0.2.5.3-alpha. + + o Minor bugfixes (mainloop, periodic events, in-process API): + - Reset the periodic events' "enabled" flag when Tor is shut down + cleanly. Previously, this flag was left on, which caused periodic + events not to be re-enabled when Tor was relaunched in-process + with tor_api.h after a shutdown. Fixes bug 32058; bugfix + on 0.3.3.1-alpha. + + o Minor bugfixes (process management): + - Remove overly strict assertions that triggered when a pluggable + transport failed to launch. Fixes bug 31091; bugfix + on 0.4.0.1-alpha. + - Remove an assertion in the Unix process backend. This assertion + would trigger when we failed to find the executable for a child + process. Fixes bug 31810; bugfix on 0.4.0.1-alpha. + + o Minor bugfixes (testing): + - Avoid intermittent test failures due to a test that had relied on + inconsistent timing sources. Fixes bug 31995; bugfix + on 0.3.1.3-alpha. + - When testing port rebinding, don't busy-wait for tor to log. + Instead, actually sleep for a short time before polling again. + Also improve the formatting of control commands and log messages. + Fixes bug 31837; bugfix on 0.3.5.1-alpha. + + o Minor bugfixes (tls, logging): + - Log bugs about the TLS read buffer's length only once, rather than + filling the logs with similar warnings. Fixes bug 31939; bugfix + on 0.3.0.4-rc. + + o Minor bugfixes (v3 onion services): + - Fix an implicit conversion from ssize_t to size_t discovered by + Coverity. Fixes bug 31682; bugfix on 0.4.2.1-alpha. + - Fix a memory leak in an unlikely error code path when encoding HS + DoS establish intro extension cell. Fixes bug 32063; bugfix + on 0.4.2.1-alpha. + - When cleaning up intro circuits for a v3 onion service, don't + remove circuits that have an established or pending circuit, even + if they ran out of retries. This way, we don't remove a circuit on + its last retry. Fixes bug 31652; bugfix on 0.3.2.1-alpha. + + o Documentation: + - Correct the description of "GuardLifetime". Fixes bug 31189; + bugfix on 0.3.0.1-alpha. + - Make clear in the man page, in both the bandwidth section and the + AccountingMax section, that Tor counts in powers of two, not + powers of ten: 1 GByte is 1024*1024*1024 bytes, not one billion + bytes. Resolves ticket 32106. + + Changes in version 0.4.2.2-alpha - 2019-10-07 This release fixes several bugs from the previous alpha release, and from earlier versions. It also includes a change in authorities, so |