2016-01-20, Version 4.2.5 "Argon" (LTS) Release

Notable changes:

* assert
  -  accommodate ES6 classes that extend Error (Rich Trott) https://github.com/nodejs/node/pull/4166
* build
  - add "--partly-static" build options (Super Zheng) https://github.com/nodejs/node/pull/4152
* deps
  - backport 066747e from upstream V8 (Ali Ijaz Sheikh) https://github.com/nodejs/node/pull/4655
  - backport 200315c from V8 upstream (Vladimir Kurchatkin) https://github.com/nodejs/node/pull/4128
  - upgrade libuv to 1.8.0 (Saúl Ibarra Corretgé)
* docs
  - various updates landed in 70 different commits!
* repl
  - attach location info to syntax errors (cjihrig) https://github.com/nodejs/node/pull/4013
  - display error message when loading directory (Prince J Wesley) https://github.com/nodejs/node/pull/4170
* tests
  - various updates landed in over 50 commits
* util
  - allow lookup of hidden values (cjihrig) https://github.com/nodejs/node/pull/3988

PR-URL: https://github.com/nodejs/node/pull/4768
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4fa7b86..1f94e07 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,231 @@
 # Node.js ChangeLog
 
+## 2016-01-20, Version 4.2.5 'Argon' (LTS), @TheAlphaNerd
+
+Maintenance update.
+
+### Notable changes
+
+* **assert**
+  * accommodate ES6 classes that extend Error (Rich Trott) [#4166](https://github.com/nodejs/node/pull/4166)
+* **build**
+  * add "--partly-static" build options (Super Zheng) [#4152](https://github.com/nodejs/node/pull/4152)
+* **deps**
+  * backport 066747e from upstream V8 (Ali Ijaz Sheikh) [#4655](https://github.com/nodejs/node/pull/4655)
+  * backport 200315c from V8 upstream (Vladimir Kurchatkin) [#4128](https://github.com/nodejs/node/pull/4128)
+  * upgrade libuv to 1.8.0 (Saúl Ibarra Corretgé)
+* **docs**
+  * various updates landed in 70 different commits!
+* **repl**
+  * attach location info to syntax errors (cjihrig) [#4013](https://github.com/nodejs/node/pull/4013)
+  * display error message when loading directory (Prince J Wesley) [#4170](https://github.com/nodejs/node/pull/4170)
+* **tests**
+  * various updates landed in over 50 commits
+* **tools**
+  * add tap output to cpplint (Johan Bergström) [#3448](https://github.com/nodejs/node/pull/3448)
+* **util**
+  * allow lookup of hidden values (cjihrig) [#3988](https://github.com/nodejs/node/pull/3988)
+
+### Known issues
+
+* Some problems with unreferenced timers running during `beforeExit` are still to be resolved. See [#1264](https://github.com/nodejs/node/issues/1264).
+* Surrogate pair in REPL can freeze terminal. [#690](https://github.com/nodejs/node/issues/690)
+* Calling `dns.setServers()` while a DNS query is in progress can cause the process to crash on a failed assertion. [#894](https://github.com/nodejs/node/issues/894)
+* `url.resolve` may transfer the auth portion of the url when resolving between two full hosts, see [#1435](https://github.com/nodejs/node/issues/1435).
+
+### Commits
+
+
+* [[`87181cd74c`](https://github.com/nodejs/node/commit/87181cd74c)] - **assert**: accommodate ES6 classes that extend Error (Rich Trott) [#4166](https://github.com/nodejs/node/pull/4166)
+* [[`901172a783`](https://github.com/nodejs/node/commit/901172a783)] - **assert**: typed array deepequal performance fix (Claudio Rodriguez) [#4330](https://github.com/nodejs/node/pull/4330)
+* [[`55336810ee`](https://github.com/nodejs/node/commit/55336810ee)] - **async_wrap**: call callback in destructor (Trevor Norris) [#3461](https://github.com/nodejs/node/pull/3461)
+* [[`a8b45e9e96`](https://github.com/nodejs/node/commit/a8b45e9e96)] - **async_wrap**: new instances get uid (Trevor Norris) [#3461](https://github.com/nodejs/node/pull/3461)
+* [[`49f16d77c4`](https://github.com/nodejs/node/commit/49f16d77c4)] - **async_wrap**: allow some hooks to be optional (Trevor Norris) [#3461](https://github.com/nodejs/node/pull/3461)
+* [[`44ee33f945`](https://github.com/nodejs/node/commit/44ee33f945)] - **buffer**: refactor create buffer (Jackson Tian) [#4340](https://github.com/nodejs/node/pull/4340)
+* [[`138d004ac0`](https://github.com/nodejs/node/commit/138d004ac0)] - **buffer**: faster case for create Buffer from new Buffer(0) (Jackson Tian) [#4326](https://github.com/nodejs/node/pull/4326)
+* [[`c6dc2a1609`](https://github.com/nodejs/node/commit/c6dc2a1609)] - **buffer**: Prevent Buffer constructor deopt (Bryce Baril) [#4158](https://github.com/nodejs/node/pull/4158)
+* [[`a320045e68`](https://github.com/nodejs/node/commit/a320045e68)] - **buffer**: default to UTF8 in byteLength() (Tom Gallacher) [#4010](https://github.com/nodejs/node/pull/4010)
+* [[`c5f71ac771`](https://github.com/nodejs/node/commit/c5f71ac771)] - **build**: add "--partly-static" build options (Super Zheng) [#4152](https://github.com/nodejs/node/pull/4152)
+* [[`e6c25335ea`](https://github.com/nodejs/node/commit/e6c25335ea)] - **build**: omit -gline-tables-only for --enable-asan (Ben Noordhuis) [#3680](https://github.com/nodejs/node/pull/3680)
+* [[`80b4ba286c`](https://github.com/nodejs/node/commit/80b4ba286c)] - **build**: Updates for AIX npm support - part 1 (Michael Dawson) [#3114](https://github.com/nodejs/node/pull/3114)
+* [[`35e32985ca`](https://github.com/nodejs/node/commit/35e32985ca)] - **child_process**: guard against race condition (Rich Trott) [#4418](https://github.com/nodejs/node/pull/4418)
+* [[`48564204f0`](https://github.com/nodejs/node/commit/48564204f0)] - **child_process**: flush consuming streams (Dave) [#4071](https://github.com/nodejs/node/pull/4071)
+* [[`481d59a74c`](https://github.com/nodejs/node/commit/481d59a74c)] - **configure**: fix arm vfpv2 (Jörg Krause) [#4203](https://github.com/nodejs/node/pull/4203)
+* [[`d19da6638d`](https://github.com/nodejs/node/commit/d19da6638d)] - **crypto**: load PFX chain the same way as regular one (Fedor Indutny) [#4165](https://github.com/nodejs/node/pull/4165)
+* [[`b8e75de1f3`](https://github.com/nodejs/node/commit/b8e75de1f3)] - **crypto**: fix native module compilation with FIPS (Stefan Budeanu) [#4023](https://github.com/nodejs/node/pull/4023)
+* [[`b7c3fb7f75`](https://github.com/nodejs/node/commit/b7c3fb7f75)] - **crypto**: disable crypto.createCipher in FIPS mode (Stefan Budeanu) [#3754](https://github.com/nodejs/node/pull/3754)
+* [[`31b4091a1e`](https://github.com/nodejs/node/commit/31b4091a1e)] - **debugger**: also exit when the repl emits 'exit' (Felix Böhm) [#2369](https://github.com/nodejs/node/pull/2369)
+* [[`9baa5618f5`](https://github.com/nodejs/node/commit/9baa5618f5)] - **deps**: backport 066747e from upstream V8 (Ali Ijaz Sheikh) [#4655](https://github.com/nodejs/node/pull/4655)
+* [[`c3a9d8a62e`](https://github.com/nodejs/node/commit/c3a9d8a62e)] - **deps**: backport 200315c from V8 upstream (Vladimir Kurchatkin) [#4128](https://github.com/nodejs/node/pull/4128)
+* [[`1ebb0c0fdf`](https://github.com/nodejs/node/commit/1ebb0c0fdf)] - **deps**: upgrade libuv to 1.8.0 (Saúl Ibarra Corretgé) [#4276](https://github.com/nodejs/node/pull/4276)
+* [[`253fe3e7c8`](https://github.com/nodejs/node/commit/253fe3e7c8)] - **dns**: remove nonexistant exports.ADNAME (Roman Reiss) [#3051](https://github.com/nodejs/node/pull/3051)
+* [[`8c2b65ad82`](https://github.com/nodejs/node/commit/8c2b65ad82)] - **doc**: clarify protocol default in http.request() (cjihrig) [#4714](https://github.com/nodejs/node/pull/4714)
+* [[`33e72e135f`](https://github.com/nodejs/node/commit/33e72e135f)] - **doc**: update links to use https where possible (jpersson) [#4054](https://github.com/nodejs/node/pull/4054)
+* [[`5f4aa79410`](https://github.com/nodejs/node/commit/5f4aa79410)] - **doc**: clarify explanation of first stream section (Vitor Cortez) [#4234](https://github.com/nodejs/node/pull/4234)
+* [[`295ca5bfb2`](https://github.com/nodejs/node/commit/295ca5bfb2)] - **doc**: add branch-diff example to releases.md (Myles Borins) [#4636](https://github.com/nodejs/node/pull/4636)
+* [[`18f5cd8710`](https://github.com/nodejs/node/commit/18f5cd8710)] - **doc**: update stylesheet to match frontpage (Roman Reiss) [#4621](https://github.com/nodejs/node/pull/4621)
+* [[`2f40715f08`](https://github.com/nodejs/node/commit/2f40715f08)] - **doc**: adds usage of readline line-by-line parsing (Robert Jefe Lindstaedt) [#4609](https://github.com/nodejs/node/pull/4609)
+* [[`5b45a464ee`](https://github.com/nodejs/node/commit/5b45a464ee)] - **doc**: document http's server.listen return value (Sequoia McDowell) [#4590](https://github.com/nodejs/node/pull/4590)
+* [[`bd31740339`](https://github.com/nodejs/node/commit/bd31740339)] - **doc**: label http.IncomingMessage as a Class (Sequoia McDowell) [#4589](https://github.com/nodejs/node/pull/4589)
+* [[`bcd2cbbb93`](https://github.com/nodejs/node/commit/bcd2cbbb93)] - **doc**: fix description about the latest-codename (Minwoo Jung) [#4583](https://github.com/nodejs/node/pull/4583)
+* [[`0b12bcb35d`](https://github.com/nodejs/node/commit/0b12bcb35d)] - **doc**: add Evan Lucas to Release Team (Evan Lucas) [#4579](https://github.com/nodejs/node/pull/4579)
+* [[`e20b1f6f10`](https://github.com/nodejs/node/commit/e20b1f6f10)] - **doc**: add Myles Borins to Release Team (Myles Borins) [#4578](https://github.com/nodejs/node/pull/4578)
+* [[`54977e63eb`](https://github.com/nodejs/node/commit/54977e63eb)] - **doc**: add missing backtick for readline (Brian White) [#4549](https://github.com/nodejs/node/pull/4549)
+* [[`5d6bed895c`](https://github.com/nodejs/node/commit/5d6bed895c)] - **doc**: bring releases.md up to date (cjihrig) [#4540](https://github.com/nodejs/node/pull/4540)
+* [[`0cd2252e85`](https://github.com/nodejs/node/commit/0cd2252e85)] - **doc**: fix numbering in stream.markdown (Richard Sun) [#4538](https://github.com/nodejs/node/pull/4538)
+* [[`8574d91f27`](https://github.com/nodejs/node/commit/8574d91f27)] - **doc**: stronger suggestion for userland assert (Wyatt Preul) [#4535](https://github.com/nodejs/node/pull/4535)
+* [[`a7bcf8b84d`](https://github.com/nodejs/node/commit/a7bcf8b84d)] - **doc**: close backtick in process.title description (Dave) [#4534](https://github.com/nodejs/node/pull/4534)
+* [[`0ceb3148b0`](https://github.com/nodejs/node/commit/0ceb3148b0)] - **doc**: improvements to events.markdown copy (James M Snell) [#4468](https://github.com/nodejs/node/pull/4468)
+* [[`bf56d509b9`](https://github.com/nodejs/node/commit/bf56d509b9)] - **doc**: explain ClientRequest#setTimeout time unit (Ben Ripkens) [#4458](https://github.com/nodejs/node/pull/4458)
+* [[`d927c51be3`](https://github.com/nodejs/node/commit/d927c51be3)] - **doc**: improvements to errors.markdown copy (James M Snell) [#4454](https://github.com/nodejs/node/pull/4454)
+* [[`ceea6df581`](https://github.com/nodejs/node/commit/ceea6df581)] - **doc**: improvements to dns.markdown copy (James M Snell) [#4449](https://github.com/nodejs/node/pull/4449)
+* [[`506f2f8ed1`](https://github.com/nodejs/node/commit/506f2f8ed1)] - **doc**: add anchors for _transform _flush _writev in stream.markdown (iamchenxin) [#4448](https://github.com/nodejs/node/pull/4448)
+* [[`74bcad0b78`](https://github.com/nodejs/node/commit/74bcad0b78)] - **doc**: improvements to dgram.markdown copy (James M Snell) [#4437](https://github.com/nodejs/node/pull/4437)
+* [[`e244d560c9`](https://github.com/nodejs/node/commit/e244d560c9)] - **doc**: improvements to debugger.markdown copy (James M Snell) [#4436](https://github.com/nodejs/node/pull/4436)
+* [[`df7e1281a5`](https://github.com/nodejs/node/commit/df7e1281a5)] - **doc**: improvements to console.markdown copy (James M Snell) [#4428](https://github.com/nodejs/node/pull/4428)
+* [[`abb17cc6c1`](https://github.com/nodejs/node/commit/abb17cc6c1)] - **doc**: fix spelling error in lib/url.js comment (Nik Nyby) [#4390](https://github.com/nodejs/node/pull/4390)
+* [[`823269db2d`](https://github.com/nodejs/node/commit/823269db2d)] - **doc**: improve assert.markdown copy (James M Snell) [#4360](https://github.com/nodejs/node/pull/4360)
+* [[`2b1804f6cb`](https://github.com/nodejs/node/commit/2b1804f6cb)] - **doc**: copyedit releases.md (Rich Trott) [#4384](https://github.com/nodejs/node/pull/4384)
+* [[`2b142fd876`](https://github.com/nodejs/node/commit/2b142fd876)] - **doc**: catch the WORKING_GROUPS.md bootstrap docs up to date (James M Snell) [#4367](https://github.com/nodejs/node/pull/4367)
+* [[`ed87873de3`](https://github.com/nodejs/node/commit/ed87873de3)] - **doc**: fix link in addons.markdown (Nicholas Young) [#4331](https://github.com/nodejs/node/pull/4331)
+* [[`fe693b7a4f`](https://github.com/nodejs/node/commit/fe693b7a4f)] - **doc**: Typo in buffer.markdown referencing buf.write() (chrisjohn404) [#4324](https://github.com/nodejs/node/pull/4324)
+* [[`764df2166e`](https://github.com/nodejs/node/commit/764df2166e)] - **doc**: document the cache parameter for fs.realpathSync (Jackson Tian) [#4285](https://github.com/nodejs/node/pull/4285)
+* [[`61f91b2f29`](https://github.com/nodejs/node/commit/61f91b2f29)] - **doc**: fix, modernize examples in docs (James M Snell) [#4282](https://github.com/nodejs/node/pull/4282)
+* [[`d87ad302ce`](https://github.com/nodejs/node/commit/d87ad302ce)] - **doc**: clarify error events in HTTP module documentation (Lenny Markus) [#4275](https://github.com/nodejs/node/pull/4275)
+* [[`7983577e41`](https://github.com/nodejs/node/commit/7983577e41)] - **doc**: fix improper http.get sample code (Hideki Yamamura) [#4263](https://github.com/nodejs/node/pull/4263)
+* [[`6c30d087e5`](https://github.com/nodejs/node/commit/6c30d087e5)] - **doc**: Fixing broken links to the v8 wiki (Tom Gallacher) [#4241](https://github.com/nodejs/node/pull/4241)
+* [[`cf214e56e4`](https://github.com/nodejs/node/commit/cf214e56e4)] - **doc**: move description of 'equals' method to right place (janriemer) [#4227](https://github.com/nodejs/node/pull/4227)
+* [[`fb8e8dbb92`](https://github.com/nodejs/node/commit/fb8e8dbb92)] - **doc**: copyedit console doc (Rich Trott) [#4225](https://github.com/nodejs/node/pull/4225)
+* [[`4ccf04c229`](https://github.com/nodejs/node/commit/4ccf04c229)] - **doc**: add mcollina to collaborators (Matteo Collina) [#4220](https://github.com/nodejs/node/pull/4220)
+* [[`59654c21d4`](https://github.com/nodejs/node/commit/59654c21d4)] - **doc**: add rmg to collaborators (Ryan Graham) [#4219](https://github.com/nodejs/node/pull/4219)
+* [[`bfe1a6bd2b`](https://github.com/nodejs/node/commit/bfe1a6bd2b)] - **doc**: add calvinmetcalf to collaborators (Calvin Metcalf) [#4218](https://github.com/nodejs/node/pull/4218)
+* [[`5140c404ae`](https://github.com/nodejs/node/commit/5140c404ae)] - **doc**: harmonize description of `ca` argument (Ben Noordhuis) [#4213](https://github.com/nodejs/node/pull/4213)
+* [[`2e642051cf`](https://github.com/nodejs/node/commit/2e642051cf)] - **doc**: copyedit child_process doc (Rich Trott) [#4188](https://github.com/nodejs/node/pull/4188)
+* [[`7920f8dbde`](https://github.com/nodejs/node/commit/7920f8dbde)] - **doc**: copyedit buffer doc (Rich Trott) [#4187](https://github.com/nodejs/node/pull/4187)
+* [[`c35a409cbe`](https://github.com/nodejs/node/commit/c35a409cbe)] - **doc**: clarify assert.fail doc (Rich Trott) [#4186](https://github.com/nodejs/node/pull/4186)
+* [[`6235fdf72e`](https://github.com/nodejs/node/commit/6235fdf72e)] - **doc**: copyedit addons doc (Rich Trott) [#4185](https://github.com/nodejs/node/pull/4185)
+* [[`990e7ff93e`](https://github.com/nodejs/node/commit/990e7ff93e)] - **doc**: update AUTHORS list (Rod Vagg) [#4183](https://github.com/nodejs/node/pull/4183)
+* [[`8d676ef55e`](https://github.com/nodejs/node/commit/8d676ef55e)] - **doc**: change references from node to Node.js (Roman Klauke) [#4177](https://github.com/nodejs/node/pull/4177)
+* [[`1c34b139a2`](https://github.com/nodejs/node/commit/1c34b139a2)] - **doc**: add brief Node.js overview to README (wurde) [#4174](https://github.com/nodejs/node/pull/4174)
+* [[`27b9b72ab0`](https://github.com/nodejs/node/commit/27b9b72ab0)] - **doc**: add iarna to collaborators (Rebecca Turner) [#4144](https://github.com/nodejs/node/pull/4144)
+* [[`683d8dd564`](https://github.com/nodejs/node/commit/683d8dd564)] - **doc**: add JungMinu to collaborators (Minwoo Jung) [#4143](https://github.com/nodejs/node/pull/4143)
+* [[`17b06dfa94`](https://github.com/nodejs/node/commit/17b06dfa94)] - **doc**: add zkat to collaborators (Kat Marchán) [#4142](https://github.com/nodejs/node/pull/4142)
+* [[`39364c4c72`](https://github.com/nodejs/node/commit/39364c4c72)] - **doc**: improve child_process.markdown wording (yorkie) [#4138](https://github.com/nodejs/node/pull/4138)
+* [[`abe452835f`](https://github.com/nodejs/node/commit/abe452835f)] - **doc**: url.format - true slash postfix behaviour (fansworld-claudio) [#4119](https://github.com/nodejs/node/pull/4119)
+* [[`6dd375cfe2`](https://github.com/nodejs/node/commit/6dd375cfe2)] - **doc**: document backlog for server.listen() variants (Jan Schär) [#4025](https://github.com/nodejs/node/pull/4025)
+* [[`b71a3b363a`](https://github.com/nodejs/node/commit/b71a3b363a)] - **doc**: fixup socket.remoteAddress (Arthur Gautier) [#4198](https://github.com/nodejs/node/pull/4198)
+* [[`e2fe214857`](https://github.com/nodejs/node/commit/e2fe214857)] - **doc**: add links and backticks around names (jpersson) [#4054](https://github.com/nodejs/node/pull/4054)
+* [[`bb158f8aed`](https://github.com/nodejs/node/commit/bb158f8aed)] - **doc**: s/node.js/Node.js in readme (Rod Vagg) [#3998](https://github.com/nodejs/node/pull/3998)
+* [[`f55491ad47`](https://github.com/nodejs/node/commit/f55491ad47)] - **doc**: move fs.existsSync() deprecation message (Martin Forsberg) [#3942](https://github.com/nodejs/node/pull/3942)
+* [[`8c5b847f5b`](https://github.com/nodejs/node/commit/8c5b847f5b)] - **doc**: Describe FIPSDIR environment variable (Stefan Budeanu) [#3752](https://github.com/nodejs/node/pull/3752)
+* [[`70c95ea0e5`](https://github.com/nodejs/node/commit/70c95ea0e5)] - **doc**: add warning about Windows process groups (Roman Klauke) [#3681](https://github.com/nodejs/node/pull/3681)
+* [[`46c59b7256`](https://github.com/nodejs/node/commit/46c59b7256)] - **doc**: add CTC meeting minutes 2015-10-28 (Rod Vagg) [#3661](https://github.com/nodejs/node/pull/3661)
+* [[`7ffd299a1d`](https://github.com/nodejs/node/commit/7ffd299a1d)] - **doc**: add final full stop in CONTRIBUTING.md (Emily Aviva Kapor-Mater) [#3576](https://github.com/nodejs/node/pull/3576)
+* [[`1f78bff7ce`](https://github.com/nodejs/node/commit/1f78bff7ce)] - **doc**: add TSC meeting minutes 2015-10-21 (Rod Vagg) [#3480](https://github.com/nodejs/node/pull/3480)
+* [[`2e623ff024`](https://github.com/nodejs/node/commit/2e623ff024)] - **doc**: add TSC meeting minutes 2015-10-14 (Rod Vagg) [#3463](https://github.com/nodejs/node/pull/3463)
+* [[`b9c69964bb`](https://github.com/nodejs/node/commit/b9c69964bb)] - **doc**: add TSC meeting minutes 2015-10-07 (Rod Vagg) [#3364](https://github.com/nodejs/node/pull/3364)
+* [[`f31d23c724`](https://github.com/nodejs/node/commit/f31d23c724)] - **doc**: add TSC meeting minutes 2015-09-30 (Rod Vagg) [#3235](https://github.com/nodejs/node/pull/3235)
+* [[`ae8e3af178`](https://github.com/nodejs/node/commit/ae8e3af178)] - **doc**: update irc channels: #node.js and #node-dev (Nelson Pecora) [#2743](https://github.com/nodejs/node/pull/2743)
+* [[`830caeb1bd`](https://github.com/nodejs/node/commit/830caeb1bd)] - **doc, test**: symbols as event names (Bryan English) [#4151](https://github.com/nodejs/node/pull/4151)
+* [[`82cbfcdcbe`](https://github.com/nodejs/node/commit/82cbfcdcbe)] - **docs**: update gpg key for Myles Borins (Myles Borins) [#4657](https://github.com/nodejs/node/pull/4657)
+* [[`50b72aa5a3`](https://github.com/nodejs/node/commit/50b72aa5a3)] - **docs**: fix npm command in releases.md (Myles Borins) [#4656](https://github.com/nodejs/node/pull/4656)
+* [[`5bf56882e1`](https://github.com/nodejs/node/commit/5bf56882e1)] - **fs,doc**: use `target` instead of `destination` (yorkie) [#3912](https://github.com/nodejs/node/pull/3912)
+* [[`41fcda840c`](https://github.com/nodejs/node/commit/41fcda840c)] - **http**: use `self.keepAlive` instead of `self.options.keepAlive` (Damian Schenkelman) [#4407](https://github.com/nodejs/node/pull/4407)
+* [[`3ff237333d`](https://github.com/nodejs/node/commit/3ff237333d)] - **http**: Remove an unnecessary assignment (Bo Borgerson) [#4323](https://github.com/nodejs/node/pull/4323)
+* [[`39dc054572`](https://github.com/nodejs/node/commit/39dc054572)] - **http**: remove excess calls to removeSocket (Dave) [#4172](https://github.com/nodejs/node/pull/4172)
+* [[`751fbd84dd`](https://github.com/nodejs/node/commit/751fbd84dd)] - **https**: use `servername` in agent key (Fedor Indutny) [#4389](https://github.com/nodejs/node/pull/4389)
+* [[`7a1a0a0055`](https://github.com/nodejs/node/commit/7a1a0a0055)] - **lib**: remove unused modules (Rich Trott) [#4683](https://github.com/nodejs/node/pull/4683)
+* [[`3d81ea99bb`](https://github.com/nodejs/node/commit/3d81ea99bb)] - **lib,test**: update let to const where applicable (Sakthipriyan Vairamani) [#3152](https://github.com/nodejs/node/pull/3152)
+* [[`8a9869eeab`](https://github.com/nodejs/node/commit/8a9869eeab)] - **module**: fix column offsets in errors (Tristian Flanagan) [#2867](https://github.com/nodejs/node/pull/2867)
+* [[`0ae90ecd3d`](https://github.com/nodejs/node/commit/0ae90ecd3d)] - **module,repl**: remove repl require() hack (Ben Noordhuis) [#4026](https://github.com/nodejs/node/pull/4026)
+* [[`a7367fdc1e`](https://github.com/nodejs/node/commit/a7367fdc1e)] - **net**: small code cleanup (Jan Schär) [#3943](https://github.com/nodejs/node/pull/3943)
+* [[`03e9495cc2`](https://github.com/nodejs/node/commit/03e9495cc2)] - **node**: remove unused variables in AppendExceptionLine (Yazhong Liu) [#4264](https://github.com/nodejs/node/pull/4264)
+* [[`06113b8711`](https://github.com/nodejs/node/commit/06113b8711)] - **node**: s/doNTCallbackX/nextTickCallbackWithXArgs/ (Rod Vagg) [#4167](https://github.com/nodejs/node/pull/4167)
+* [[`8ce6843fe4`](https://github.com/nodejs/node/commit/8ce6843fe4)] - **os**: fix crash in GetInterfaceAddresses (Martin Bark) [#4272](https://github.com/nodejs/node/pull/4272)
+* [[`53dcbb6aa4`](https://github.com/nodejs/node/commit/53dcbb6aa4)] - **repl**: remove unused function (Rich Trott)
+* [[`db0e906fc1`](https://github.com/nodejs/node/commit/db0e906fc1)] - **repl**: Fixed node repl history edge case. (Mudit Ameta) [#4108](https://github.com/nodejs/node/pull/4108)
+* [[`9855fab05f`](https://github.com/nodejs/node/commit/9855fab05f)] - **repl**: use String#repeat instead of Array#join (Evan Lucas) [#3900](https://github.com/nodejs/node/pull/3900)
+* [[`41882e4077`](https://github.com/nodejs/node/commit/41882e4077)] - **repl**: fix require('3rdparty') regression (Ben Noordhuis) [#4215](https://github.com/nodejs/node/pull/4215)
+* [[`93afc39d4a`](https://github.com/nodejs/node/commit/93afc39d4a)] - **repl**: attach location info to syntax errors (cjihrig) [#4013](https://github.com/nodejs/node/pull/4013)
+* [[`d4806675a6`](https://github.com/nodejs/node/commit/d4806675a6)] - **repl**: display error message when loading directory (Prince J Wesley) [#4170](https://github.com/nodejs/node/pull/4170)
+* [[`3080bdc7d7`](https://github.com/nodejs/node/commit/3080bdc7d7)] - **src**: define Is* util functions with macros (cjihrig) [#4118](https://github.com/nodejs/node/pull/4118)
+* [[`2b8a32a13b`](https://github.com/nodejs/node/commit/2b8a32a13b)] - **src**: refactor vcbuild configure args creation (Rod Vagg) [#3399](https://github.com/nodejs/node/pull/3399)
+* [[`d47f6ba768`](https://github.com/nodejs/node/commit/d47f6ba768)] - **src**: fix deprecation message for ErrnoException (Martin von Gagern) [#4269](https://github.com/nodejs/node/pull/4269)
+* [[`5ba08fbf76`](https://github.com/nodejs/node/commit/5ba08fbf76)] - **src**: fix line numbers on core errors (cjihrig) [#4254](https://github.com/nodejs/node/pull/4254)
+* [[`70974e9362`](https://github.com/nodejs/node/commit/70974e9362)] - **src**: use GetCurrentProcessId() for process.pid (Ben Noordhuis) [#4163](https://github.com/nodejs/node/pull/4163)
+* [[`c96eca164f`](https://github.com/nodejs/node/commit/c96eca164f)] - **src**: don't print garbage errors (cjihrig) [#4112](https://github.com/nodejs/node/pull/4112)
+* [[`f61412c753`](https://github.com/nodejs/node/commit/f61412c753)] - **test**: mark test-debug-no-context is flaky (Rich Trott) [#4421](https://github.com/nodejs/node/pull/4421)
+* [[`46d8c93ed2`](https://github.com/nodejs/node/commit/46d8c93ed2)] - **test**: don't use cwd for relative path (Johan Bergström) [#4477](https://github.com/nodejs/node/pull/4477)
+* [[`b6124ea39c`](https://github.com/nodejs/node/commit/b6124ea39c)] - **test**: write to tmp dir rather than fixture dir (Rich Trott) [#4489](https://github.com/nodejs/node/pull/4489)
+* [[`350fa664bb`](https://github.com/nodejs/node/commit/350fa664bb)] - **test**: don't assume a certain folder structure (Johan Bergström) [#3325](https://github.com/nodejs/node/pull/3325)
+* [[`6b2ef0efac`](https://github.com/nodejs/node/commit/6b2ef0efac)] - **test**: make temp path customizable (Johan Bergström) [#3325](https://github.com/nodejs/node/pull/3325)
+* [[`f1837703a9`](https://github.com/nodejs/node/commit/f1837703a9)] - **test**: remove unused vars from parallel tests (Rich Trott) [#4511](https://github.com/nodejs/node/pull/4511)
+* [[`b4964b099a`](https://github.com/nodejs/node/commit/b4964b099a)] - **test**: remove unused variables form http tests (Rich Trott) [#4422](https://github.com/nodejs/node/pull/4422)
+* [[`0d5a508dfb`](https://github.com/nodejs/node/commit/0d5a508dfb)] - **test**: extend timeout in Debug mode (Rich Trott) [#4431](https://github.com/nodejs/node/pull/4431)
+* [[`6e4598d5da`](https://github.com/nodejs/node/commit/6e4598d5da)] - **test**: remove unused variables from TLS tests (Rich Trott) [#4424](https://github.com/nodejs/node/pull/4424)
+* [[`7b1aa045a0`](https://github.com/nodejs/node/commit/7b1aa045a0)] - **test**: remove unused variables from HTTPS tests (Rich Trott) [#4426](https://github.com/nodejs/node/pull/4426)
+* [[`da9e5c1b01`](https://github.com/nodejs/node/commit/da9e5c1b01)] - **test**: remove unused variables from net tests (Rich Trott) [#4430](https://github.com/nodejs/node/pull/4430)
+* [[`13241bd24b`](https://github.com/nodejs/node/commit/13241bd24b)] - **test**: remove unused vars in ChildProcess tests (Rich Trott) [#4425](https://github.com/nodejs/node/pull/4425)
+* [[`2f4538ddda`](https://github.com/nodejs/node/commit/2f4538ddda)] - **test**: remove unused vars (Rich Trott) [#4536](https://github.com/nodejs/node/pull/4536)
+* [[`dffe83ccd6`](https://github.com/nodejs/node/commit/dffe83ccd6)] - **test**: remove unused modules (Rich Trott) [#4684](https://github.com/nodejs/node/pull/4684)
+* [[`c4eeb88ba1`](https://github.com/nodejs/node/commit/c4eeb88ba1)] - **test**: fix flaky cluster-disconnect-race (Brian White) [#4457](https://github.com/nodejs/node/pull/4457)
+* [[`7caf87bf6c`](https://github.com/nodejs/node/commit/7caf87bf6c)] - **test**: fix flaky test-http-agent-keepalive (Rich Trott) [#4524](https://github.com/nodejs/node/pull/4524)
+* [[`25c41d084d`](https://github.com/nodejs/node/commit/25c41d084d)] - **test**: remove flaky designations for tests (Rich Trott) [#4519](https://github.com/nodejs/node/pull/4519)
+* [[`b8f097ece2`](https://github.com/nodejs/node/commit/b8f097ece2)] - **test**: fix flaky streams test (Rich Trott) [#4516](https://github.com/nodejs/node/pull/4516)
+* [[`c24fa1437c`](https://github.com/nodejs/node/commit/c24fa1437c)] - **test**: inherit JOBS from environment (Johan Bergström) [#4495](https://github.com/nodejs/node/pull/4495)
+* [[`7dc90e9e7f`](https://github.com/nodejs/node/commit/7dc90e9e7f)] - **test**: remove time check (Rich Trott) [#4494](https://github.com/nodejs/node/pull/4494)
+* [[`7ca3c6c388`](https://github.com/nodejs/node/commit/7ca3c6c388)] - **test**: refactor test-fs-empty-readStream (Rich Trott) [#4490](https://github.com/nodejs/node/pull/4490)
+* [[`610727dea7`](https://github.com/nodejs/node/commit/610727dea7)] - **test**: clarify role of domains in test (Rich Trott) [#4474](https://github.com/nodejs/node/pull/4474)
+* [[`1ae0e355b9`](https://github.com/nodejs/node/commit/1ae0e355b9)] - **test**: improve assert message (Rich Trott) [#4461](https://github.com/nodejs/node/pull/4461)
+* [[`e70c88df56`](https://github.com/nodejs/node/commit/e70c88df56)] - **test**: remove unused assert module imports (Rich Trott) [#4438](https://github.com/nodejs/node/pull/4438)
+* [[`c77fc71f9b`](https://github.com/nodejs/node/commit/c77fc71f9b)] - **test**: remove unused var from test-assert.js (Rich Trott) [#4405](https://github.com/nodejs/node/pull/4405)
+* [[`f613b3033f`](https://github.com/nodejs/node/commit/f613b3033f)] - **test**: add test-domain-exit-dispose-again back (Julien Gilli) [#4256](https://github.com/nodejs/node/pull/4256)
+* [[`f5bfacd858`](https://github.com/nodejs/node/commit/f5bfacd858)] - **test**: remove unused `util` imports (Rich Trott) [#4562](https://github.com/nodejs/node/pull/4562)
+* [[`d795301025`](https://github.com/nodejs/node/commit/d795301025)] - **test**: remove unnecessary assignments (Rich Trott) [#4563](https://github.com/nodejs/node/pull/4563)
+* [[`acc3d66934`](https://github.com/nodejs/node/commit/acc3d66934)] - **test**: move ArrayStream to common (cjihrig) [#4027](https://github.com/nodejs/node/pull/4027)
+* [[`6c0021361c`](https://github.com/nodejs/node/commit/6c0021361c)] - **test**: refactor test-net-connect-options-ipv6 (Rich Trott) [#4395](https://github.com/nodejs/node/pull/4395)
+* [[`29804e00ad`](https://github.com/nodejs/node/commit/29804e00ad)] - **test**: use platformTimeout() in more places (Brian White) [#4387](https://github.com/nodejs/node/pull/4387)
+* [[`761af37d0e`](https://github.com/nodejs/node/commit/761af37d0e)] - **test**: fix race condition in test-http-client-onerror (Devin Nakamura) [#4346](https://github.com/nodejs/node/pull/4346)
+* [[`980852165f`](https://github.com/nodejs/node/commit/980852165f)] - **test**: fix flaky test-net-error-twice (Brian White) [#4342](https://github.com/nodejs/node/pull/4342)
+* [[`1bc44e79d3`](https://github.com/nodejs/node/commit/1bc44e79d3)] - **test**: try other ipv6 localhost alternatives (Brian White) [#4325](https://github.com/nodejs/node/pull/4325)
+* [[`44dbe15640`](https://github.com/nodejs/node/commit/44dbe15640)] - **test**: fix debug-port-cluster flakiness (Ben Noordhuis) [#4310](https://github.com/nodejs/node/pull/4310)
+* [[`73e781172b`](https://github.com/nodejs/node/commit/73e781172b)] - **test**: add test for tls.parseCertString (Evan Lucas) [#4283](https://github.com/nodejs/node/pull/4283)
+* [[`15c295a21b`](https://github.com/nodejs/node/commit/15c295a21b)] - **test**: use regular timeout times for ARMv8 (Jeremiah Senkpiel) [#4248](https://github.com/nodejs/node/pull/4248)
+* [[`fd250b8fab`](https://github.com/nodejs/node/commit/fd250b8fab)] - **test**: parallelize test-repl-persistent-history (Jeremiah Senkpiel) [#4247](https://github.com/nodejs/node/pull/4247)
+* [[`9a0f156e5a`](https://github.com/nodejs/node/commit/9a0f156e5a)] - **test**: fix domain-top-level-error-handler-throw (Santiago Gimeno) [#4364](https://github.com/nodejs/node/pull/4364)
+* [[`6bc1b1c259`](https://github.com/nodejs/node/commit/6bc1b1c259)] - **test**: don't assume openssl s_client supports -ssl3 (Ben Noordhuis) [#4204](https://github.com/nodejs/node/pull/4204)
+* [[`d00b9fc66f`](https://github.com/nodejs/node/commit/d00b9fc66f)] - **test**: fix tls-inception flakiness (Santiago Gimeno) [#4195](https://github.com/nodejs/node/pull/4195)
+* [[`c41b280a2b`](https://github.com/nodejs/node/commit/c41b280a2b)] - **test**: fix tls-inception (Santiago Gimeno) [#4195](https://github.com/nodejs/node/pull/4195)
+* [[`6f4ab1d1ab`](https://github.com/nodejs/node/commit/6f4ab1d1ab)] - **test**: mark test-cluster-shared-leak flaky (Rich Trott) [#4162](https://github.com/nodejs/node/pull/4162)
+* [[`90498e2a68`](https://github.com/nodejs/node/commit/90498e2a68)] - **test**: skip long path tests on non-Windows (Rafał Pocztarski) [#4116](https://github.com/nodejs/node/pull/4116)
+* [[`c9100d78f3`](https://github.com/nodejs/node/commit/c9100d78f3)] - **test**: fix flaky test-net-socket-local-address (Rich Trott) [#4109](https://github.com/nodejs/node/pull/4109)
+* [[`ac939d51d9`](https://github.com/nodejs/node/commit/ac939d51d9)] - **test**: improve cluster-disconnect-handles test (Brian White) [#4084](https://github.com/nodejs/node/pull/4084)
+* [[`22ba1b4115`](https://github.com/nodejs/node/commit/22ba1b4115)] - **test**: eliminate multicast test FreeBSD flakiness (Rich Trott) [#4042](https://github.com/nodejs/node/pull/4042)
+* [[`2ee7853bb7`](https://github.com/nodejs/node/commit/2ee7853bb7)] - **test**: fix http-many-ended-pipelines flakiness (Santiago Gimeno) [#4041](https://github.com/nodejs/node/pull/4041)
+* [[`a77dcfec06`](https://github.com/nodejs/node/commit/a77dcfec06)] - **test**: use platform-based timeout for reliability (Rich Trott) [#4015](https://github.com/nodejs/node/pull/4015)
+* [[`3f0ff879cf`](https://github.com/nodejs/node/commit/3f0ff879cf)] - **test**: fix time resolution constraint (Gireesh Punathil) [#3981](https://github.com/nodejs/node/pull/3981)
+* [[`22b88e1c48`](https://github.com/nodejs/node/commit/22b88e1c48)] - **test**: add TAP diagnostic message for retried tests (Rich Trott) [#3960](https://github.com/nodejs/node/pull/3960)
+* [[`22d2887b1c`](https://github.com/nodejs/node/commit/22d2887b1c)] - **test**: add OS X to module loading error test (Evan Lucas) [#3901](https://github.com/nodejs/node/pull/3901)
+* [[`e2141cb75e`](https://github.com/nodejs/node/commit/e2141cb75e)] - **test**: skip instead of fail when mem constrained (Michael Cornacchia) [#3697](https://github.com/nodejs/node/pull/3697)
+* [[`166523d0ed`](https://github.com/nodejs/node/commit/166523d0ed)] - **test**: fix race condition in unrefd interval test (Michael Cornacchia) [#3550](https://github.com/nodejs/node/pull/3550)
+* [[`86b47e8dc0`](https://github.com/nodejs/node/commit/86b47e8dc0)] - **timers**: optimize callback call: bind -> arrow (Andrei Sedoi) [#4038](https://github.com/nodejs/node/pull/4038)
+* [[`4d37472ea7`](https://github.com/nodejs/node/commit/4d37472ea7)] - **tls_wrap**: clear errors on return (Fedor Indutny) [#4709](https://github.com/nodejs/node/pull/4709)
+* [[`5b695d0343`](https://github.com/nodejs/node/commit/5b695d0343)] - **tls_wrap**: inherit from the `AsyncWrap` first (Fedor Indutny) [#4268](https://github.com/nodejs/node/pull/4268)
+* [[`0efc35e6d8`](https://github.com/nodejs/node/commit/0efc35e6d8)] - **tls_wrap**: slice buffer properly in `ClearOut` (Fedor Indutny) [#4184](https://github.com/nodejs/node/pull/4184)
+* [[`628cb8657c`](https://github.com/nodejs/node/commit/628cb8657c)] - **tools**: add .editorconfig (ronkorving) [#2993](https://github.com/nodejs/node/pull/2993)
+* [[`69fef19624`](https://github.com/nodejs/node/commit/69fef19624)] - **tools**: implement no-unused-vars for eslint (Rich Trott) [#4536](https://github.com/nodejs/node/pull/4536)
+* [[`3ee16706f2`](https://github.com/nodejs/node/commit/3ee16706f2)] - **tools**: enforce `throw new Error()` with lint rule (Rich Trott) [#3714](https://github.com/nodejs/node/pull/3714)
+* [[`32801de4ef`](https://github.com/nodejs/node/commit/32801de4ef)] - **tools**: Use `throw new Error()` consistently (Rich Trott) [#3714](https://github.com/nodejs/node/pull/3714)
+* [[`f413fae0cd`](https://github.com/nodejs/node/commit/f413fae0cd)] - **tools**: add tap output to cpplint (Johan Bergström) [#3448](https://github.com/nodejs/node/pull/3448)
+* [[`efa30dd2f0`](https://github.com/nodejs/node/commit/efa30dd2f0)] - **tools**: enable prefer-const eslint rule (Sakthipriyan Vairamani) [#3152](https://github.com/nodejs/node/pull/3152)
+* [[`dd0c925896`](https://github.com/nodejs/node/commit/dd0c925896)] - **udp**: remove a needless instanceof Buffer check (ronkorving) [#4301](https://github.com/nodejs/node/pull/4301)
+* [[`f4414102ed`](https://github.com/nodejs/node/commit/f4414102ed)] - **util**: faster arrayToHash (Jackson Tian)
+* [[`b421119984`](https://github.com/nodejs/node/commit/b421119984)] - **util**: determine object types in C++ (cjihrig) [#4100](https://github.com/nodejs/node/pull/4100)
+* [[`6a7c9d9293`](https://github.com/nodejs/node/commit/6a7c9d9293)] - **util**: move .decorateErrorStack to internal/util (Ben Noordhuis) [#4026](https://github.com/nodejs/node/pull/4026)
+* [[`422a865d46`](https://github.com/nodejs/node/commit/422a865d46)] - **util**: add decorateErrorStack() (cjihrig) [#4013](https://github.com/nodejs/node/pull/4013)
+* [[`2d5380ea25`](https://github.com/nodejs/node/commit/2d5380ea25)] - **util**: fix constructor/instanceof checks (Brian White) [#3385](https://github.com/nodejs/node/pull/3385)
+* [[`1bf84b9d41`](https://github.com/nodejs/node/commit/1bf84b9d41)] - **util,src**: allow lookup of hidden values (cjihrig) [#3988](https://github.com/nodejs/node/pull/3988)
+
 ## 2015-12-23, Version 4.2.4 'Argon' (LTS), @jasnell
 
 Maintenance update.
diff --git a/src/node_version.h b/src/node_version.h
index 8911df9..290d063 100644
--- a/src/node_version.h
+++ b/src/node_version.h
@@ -8,7 +8,7 @@
 #define NODE_VERSION_IS_LTS 1
 #define NODE_VERSION_LTS_CODENAME "Argon"
 
-#define NODE_VERSION_IS_RELEASE 0
+#define NODE_VERSION_IS_RELEASE 1
 
 #ifndef NODE_STRINGIFY
 #define NODE_STRINGIFY(n) NODE_STRINGIFY_HELPER(n)