forward-port releasenotes and changelog entries.

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+Changes in version 0.2.5.15 - 2017-10-25
+  Tor 0.2.5.15 backports a collection of bugfixes from later Tor release
+  series. It also adds a new directory authority, Bastet.
+
+  Note: the Tor 0.2.5 series will no longer be supported after 1 May
+  2018. If you need a release with long-term support, please upgrade to
+  the 0.2.9 series. Otherwise, please upgrade to 0.3.1 or later.
+
+  o Directory authority changes:
+    - Add "Bastet" as a ninth directory authority to the default list.
+      Closes ticket 23910.
+    - The directory authority "Longclaw" has changed its IP address.
+      Closes ticket 23592.
+
+  o Major bugfixes (openbsd, denial-of-service, backport from 0.3.1.5-alpha):
+    - Avoid an assertion failure bug affecting our implementation of
+      inet_pton(AF_INET6) on certain OpenBSD systems whose strtol()
+      handling of "0xx" differs from what we had expected. Fixes bug
+      22789; bugfix on 0.2.3.8-alpha. Also tracked as TROVE-2017-007.
+
+  o Minor features (geoip):
+    - Update geoip and geoip6 to the October 4 2017 Maxmind GeoLite2
+      Country database.
+
+  o Minor bugfixes (defensive programming, undefined behavior, backport from 0.3.1.4-alpha):
+    - Fix a memset() off the end of an array when packing cells. This
+      bug should be harmless in practice, since the corrupted bytes are
+      still in the same structure, and are always padding bytes,
+      ignored, or immediately overwritten, depending on compiler
+      behavior. Nevertheless, because the memset()'s purpose is to make
+      sure that any other cell-handling bugs can't expose bytes to the
+      network, we need to fix it. Fixes bug 22737; bugfix on
+      0.2.4.11-alpha. Fixes CID 1401591.
+
+  o Build features (backport from 0.3.1.5-alpha):
+    - Tor's repository now includes a Travis Continuous Integration (CI)
+      configuration file (.travis.yml). This is meant to help new
+      developers and contributors who fork Tor to a Github repository be
+      better able to test their changes, and understand what we expect
+      to pass. To use this new build feature, you must fork Tor to your
+      Github account, then go into the "Integrations" menu in the
+      repository settings for your fork and enable Travis, then push
+      your changes. Closes ticket 22636.
+
+
+Changes in version 0.2.8.16 - 2017-10-25
+  Tor 0.2.8.16 backports a collection of bugfixes from later Tor release
+  series, including a bugfix for a crash issue that had affected relays
+  under memory pressure. It also adds a new directory authority, Bastet.
+
+  Note: the Tor 0.2.8 series will no longer be supported after 1 Jan
+  2018. If you need a release with long-term support, please stick with
+  the 0.2.9 series. Otherwise, please upgrade to 0.3.1 or later.
+
+  o Directory authority changes:
+    - Add "Bastet" as a ninth directory authority to the default list.
+      Closes ticket 23910.
+    - The directory authority "Longclaw" has changed its IP address.
+      Closes ticket 23592.
+
+  o Major bugfixes (relay, crash, assertion failure, backport from 0.3.2.2-alpha):
+    - Fix a timing-based assertion failure that could occur when the
+      circuit out-of-memory handler freed a connection's output buffer.
+      Fixes bug 23690; bugfix on 0.2.6.1-alpha.
+
+  o Minor features (directory authorities, backport from 0.3.2.2-alpha):
+    - Remove longclaw's IPv6 address, as it will soon change. Authority
+      IPv6 addresses were originally added in 0.2.8.1-alpha. This leaves
+      3/8 directory authorities with IPv6 addresses, but there are also
+      52 fallback directory mirrors with IPv6 addresses. Resolves 19760.
+
+  o Minor features (geoip):
+    - Update geoip and geoip6 to the October 4 2017 Maxmind GeoLite2
+      Country database.
+
+
+Changes in version 0.2.9.13 - 2017-10-25
+  Tor 0.2.9.13 backports a collection of bugfixes from later Tor release
+  series, including a bugfix for a crash issue that had affected relays
+  under memory pressure. It also adds a new directory authority, Bastet.
+
+  o Directory authority changes:
+    - Add "Bastet" as a ninth directory authority to the default list.
+      Closes ticket 23910.
+    - The directory authority "Longclaw" has changed its IP address.
+      Closes ticket 23592.
+
+  o Major bugfixes (relay, crash, assertion failure, backport from 0.3.2.2-alpha):
+    - Fix a timing-based assertion failure that could occur when the
+      circuit out-of-memory handler freed a connection's output buffer.
+      Fixes bug 23690; bugfix on 0.2.6.1-alpha.
+
+  o Minor features (directory authorities, backport from 0.3.2.2-alpha):
+    - Remove longclaw's IPv6 address, as it will soon change. Authority
+      IPv6 addresses were originally added in 0.2.8.1-alpha. This leaves
+      3/8 directory authorities with IPv6 addresses, but there are also
+      52 fallback directory mirrors with IPv6 addresses. Resolves 19760.
+
+  o Minor features (geoip):
+    - Update geoip and geoip6 to the October 4 2017 Maxmind GeoLite2
+      Country database.
+
+  o Minor bugfixes (directory authority, backport from 0.3.1.5-alpha):
+    - When a directory authority rejects a descriptor or extrainfo with
+      a given digest, mark that digest as undownloadable, so that we do
+      not attempt to download it again over and over. We previously
+      tried to avoid downloading such descriptors by other means, but we
+      didn't notice if we accidentally downloaded one anyway. This
+      behavior became problematic in 0.2.7.2-alpha, when authorities
+      began pinning Ed25519 keys. Fixes bug 22349; bugfix
+      on 0.2.1.19-alpha.
+
+  o Minor bugfixes (memory safety, backport from 0.3.2.3-alpha):
+    - Clear the address when node_get_prim_orport() returns early.
+      Fixes bug 23874; bugfix on 0.2.8.2-alpha.
+
+  o Minor bugfixes (Windows service, backport from 0.3.1.6-rc):
+    - When running as a Windows service, set the ID of the main thread
+      correctly. Failure to do so made us fail to send log messages to
+      the controller in 0.2.1.16-rc, slowed down controller event
+      delivery in 0.2.7.3-rc and later, and crash with an assertion
+      failure in 0.3.1.1-alpha. Fixes bug 23081; bugfix on 0.2.1.6-alpha.
+      Patch and diagnosis from "Vort".
+
+
+Changes in version 0.3.0.12 - 2017-10-25
+  Tor 0.3.0.12 backports a collection of bugfixes from later Tor release
+  series, including a bugfix for a crash issue that had affected relays
+  under memory pressure. It also adds a new directory authority, Bastet.
+
+  Note: the Tor 0.3.0 series will no longer be supported after 26 Jan
+  2018. If you need a release with long-term support, please stick with
+  the 0.2.9 series. Otherwise, please upgrade to 0.3.1 or later.
+
+  o Directory authority changes:
+    - Add "Bastet" as a ninth directory authority to the default list.
+      Closes ticket 23910.
+    - The directory authority "Longclaw" has changed its IP address.
+      Closes ticket 23592.
+
+  o Major bugfixes (relay, crash, assertion failure, backport from 0.3.2.2-alpha):
+    - Fix a timing-based assertion failure that could occur when the
+      circuit out-of-memory handler freed a connection's output buffer.
+      Fixes bug 23690; bugfix on 0.2.6.1-alpha.
+
+  o Minor features (directory authorities, backport from 0.3.2.2-alpha):
+    - Remove longclaw's IPv6 address, as it will soon change. Authority
+      IPv6 addresses were originally added in 0.2.8.1-alpha. This leaves
+      3/8 directory authorities with IPv6 addresses, but there are also
+      52 fallback directory mirrors with IPv6 addresses. Resolves 19760.
+
+  o Minor features (geoip):
+    - Update geoip and geoip6 to the October 4 2017 Maxmind GeoLite2
+      Country database.
+
+  o Minor bugfixes (directory authority, backport from 0.3.1.5-alpha):
+    - When a directory authority rejects a descriptor or extrainfo with
+      a given digest, mark that digest as undownloadable, so that we do
+      not attempt to download it again over and over. We previously
+      tried to avoid downloading such descriptors by other means, but we
+      didn't notice if we accidentally downloaded one anyway. This
+      behavior became problematic in 0.2.7.2-alpha, when authorities
+      began pinning Ed25519 keys. Fixes bug 22349; bugfix
+      on 0.2.1.19-alpha.
+
+  o Minor bugfixes (hidden service, relay, backport from 0.3.2.2-alpha):
+    - Avoid a possible double close of a circuit by the intro point on
+      error of sending the INTRO_ESTABLISHED cell. Fixes bug 23610;
+      bugfix on 0.3.0.1-alpha.
+
+  o Minor bugfixes (memory safety, backport from 0.3.2.3-alpha):
+    - Clear the address when node_get_prim_orport() returns early.
+      Fixes bug 23874; bugfix on 0.2.8.2-alpha.
+
+  o Minor bugfixes (Windows service, backport from 0.3.1.6-rc):
+    - When running as a Windows service, set the ID of the main thread
+      correctly. Failure to do so made us fail to send log messages to
+      the controller in 0.2.1.16-rc, slowed down controller event
+      delivery in 0.2.7.3-rc and later, and crash with an assertion
+      failure in 0.3.1.1-alpha. Fixes bug 23081; bugfix on 0.2.1.6-alpha.
+      Patch and diagnosis from "Vort".
+
+
+Changes in version 0.3.1.8 - 2017-10-25
+  Tor 0.3.1.7 is the second stable release in the 0.3.1 series.
+  It includes several bugfixes, including a bugfix for a crash issue
+  that had affected relays under memory pressure. It also adds
+  a new directory authority, Bastet.
+
+  o Directory authority changes:
+    - Add "Bastet" as a ninth directory authority to the default list.
+      Closes ticket 23910.
+    - The directory authority "Longclaw" has changed its IP address.
+      Closes ticket 23592.
+
+  o Major bugfixes (relay, crash, assertion failure, backport from 0.3.2.2-alpha):
+    - Fix a timing-based assertion failure that could occur when the
+      circuit out-of-memory handler freed a connection's output buffer.
+      Fixes bug 23690; bugfix on 0.2.6.1-alpha.
+
+  o Minor features (directory authorities, backport from 0.3.2.2-alpha):
+    - Remove longclaw's IPv6 address, as it will soon change. Authority
+      IPv6 addresses were originally added in 0.2.8.1-alpha. This leaves
+      3/8 directory authorities with IPv6 addresses, but there are also
+      52 fallback directory mirrors with IPv6 addresses. Resolves 19760.
+
+  o Minor features (geoip):
+    - Update geoip and geoip6 to the October 4 2017 Maxmind GeoLite2
+      Country database.
+
+  o Minor bugfixes (compilation, backport from 0.3.2.2-alpha):
+    - Fix a compilation warning when building with zstd support on
+      32-bit platforms. Fixes bug 23568; bugfix on 0.3.1.1-alpha. Found
+      and fixed by Andreas Stieger.
+
+  o Minor bugfixes (compression, backport from 0.3.2.2-alpha):
+    - Handle a pathological case when decompressing Zstandard data when
+      the output buffer size is zero. Fixes bug 23551; bugfix
+      on 0.3.1.1-alpha.
+
+  o Minor bugfixes (directory authority, backport from 0.3.2.1-alpha):
+    - Remove the length limit on HTTP status lines that authorities can
+      send in their replies. Fixes bug 23499; bugfix on 0.3.1.6-rc.
+
+  o Minor bugfixes (hidden service, relay, backport from 0.3.2.2-alpha):
+    - Avoid a possible double close of a circuit by the intro point on
+      error of sending the INTRO_ESTABLISHED cell. Fixes bug 23610;
+      bugfix on 0.3.0.1-alpha.
+
+  o Minor bugfixes (memory safety, backport from 0.3.2.3-alpha):
+    - Clear the address when node_get_prim_orport() returns early.
+      Fixes bug 23874; bugfix on 0.2.8.2-alpha.
+
+  o Minor bugfixes (unit tests, backport from 0.3.2.2-alpha):
+    - Fix additional channelpadding unit test failures by using mocked
+      time instead of actual time for all tests. Fixes bug 23608; bugfix
+      on 0.3.1.1-alpha.
+
+
 Changes in version 0.3.2.2-alpha - 2017-09-29
   Tor 0.3.2.2-alpha is the second release in the 0.3.2 series. This
   release fixes several minor bugs in the new scheduler and next-