## 2015-12-23, Version 4.2.4 'Argon' (LTS), @jasnell
Maintenance update.
### Notable changes
* Roughly 78% of the commits are documentation and test improvements
* **domains**:
** Fix handling of uncaught exceptions (Julien Gilli) [#3884](https://github.com/nodejs/node/pull/3884)
* **deps**:
** Upgrade to npm 2.14.12 (Kat Marchán) [#4110](https://github.com/nodejs/node/pull/4110)
** Backport 819b40a from V8 upstream (Michaël Zasso) [#3938](https://github.com/nodejs/node/pull/3938)
** Updated node LICENSE file with new npm license (Kat Marchán) [#4110](https://github.com/nodejs/node/pull/4110)
### 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).
* [[`7ffc01756f`](https://github.com/nodejs/node/commit/7ffc01756f)] - **buffer**: fix writeInt{B,L}E for some neg values (Peter A. Bigot) [#3994](https://github.com/nodejs/node/pull/3994)
* [[`db0186e435`](https://github.com/nodejs/node/commit/db0186e435)] - **buffer**: let WriteFloatGeneric silently drop values (P.S.V.R)
* [[`629d5d18d7`](https://github.com/nodejs/node/commit/629d5d18d7)] - **configure**: `v8_use_snapshot` should be `true` (Fedor Indutny) [#3962](https://github.com/nodejs/node/pull/3962)
* [[`3094464871`](https://github.com/nodejs/node/commit/3094464871)] - **configure**: use __ARM_ARCH to determine arm version (João Reis) [#4123](https://github.com/nodejs/node/pull/4123)
* [[`8aafa2ecc0`](https://github.com/nodejs/node/commit/8aafa2ecc0)] - **doc**: standardize references to node.js in docs (Scott Buchanan) [#4136](https://github.com/nodejs/node/pull/4136)
* [[`72f43a263a`](https://github.com/nodejs/node/commit/72f43a263a)] - **doc**: fix internal link to child.send() (Luigi Pinca) [#4089](https://github.com/nodejs/node/pull/4089)
* [[`dcfdbac457`](https://github.com/nodejs/node/commit/dcfdbac457)] - **doc**: reword https.Agent example text (Jan Krems) [#4075](https://github.com/nodejs/node/pull/4075)
* [[`f93d268dec`](https://github.com/nodejs/node/commit/f93d268dec)] - **doc**: add HTTP working group (James M Snell) [#3919](https://github.com/nodejs/node/pull/3919)
* [[`753c5071ea`](https://github.com/nodejs/node/commit/753c5071ea)] - **doc**: Adding best practises for crypto.pbkdf2 (Tom Gallacher) [#3290](https://github.com/nodejs/node/pull/3290)
* [[`8f0291beba`](https://github.com/nodejs/node/commit/8f0291beba)] - **doc**: update WORKING_GROUPS.md to include Intl (Steven R. Loomis) [#3251](https://github.com/nodejs/node/pull/3251)
* [[`ffd3335e29`](https://github.com/nodejs/node/commit/ffd3335e29)] - **doc**: address use of profanity in code of conduct (James M Snell) [#3827](https://github.com/nodejs/node/pull/3827)
* [[`a36a5b63cf`](https://github.com/nodejs/node/commit/a36a5b63cf)] - **doc**: reword message.headers to indicate they are not read-only (Tristian Flanagan) [#3814](https://github.com/nodejs/node/pull/3814)
* [[`b22973af81`](https://github.com/nodejs/node/commit/b22973af81)] - **doc**: replace head of readme with updated text (Rod Vagg) [#3482](https://github.com/nodejs/node/pull/3482)
* [[`1bbc3b3ff8`](https://github.com/nodejs/node/commit/1bbc3b3ff8)] - **doc**: add note on tls connection meta data methods (Tyler Henkel) [#3746](https://github.com/nodejs/node/pull/3746)
* [[`488e74f27d`](https://github.com/nodejs/node/commit/488e74f27d)] - **doc**: update lts description in the collaborator guide (James M Snell) [#3668](https://github.com/nodejs/node/pull/3668)
* [[`fe3ae3cea4`](https://github.com/nodejs/node/commit/fe3ae3cea4)] - **doc**: add LTS info to COLLABORATOR_GUIDE.md (Myles Borins) [#3442](https://github.com/nodejs/node/pull/3442)
* [[`daa10a345e`](https://github.com/nodejs/node/commit/daa10a345e)] - **doc**: typo fix in readme.md (Sam P Gallagher-Bishop) [#3649](https://github.com/nodejs/node/pull/3649)
* [[`eca5720761`](https://github.com/nodejs/node/commit/eca5720761)] - **doc**: fix wrong date and known issue in changelog.md (James M Snell) [#3650](https://github.com/nodejs/node/pull/3650)
* [[`83494f8f3e`](https://github.com/nodejs/node/commit/83494f8f3e)] - **doc**: rename iojs-* groups to nodejs-* (Steven R. Loomis) [#3634](https://github.com/nodejs/node/pull/3634)
* [[`6db4392bfb`](https://github.com/nodejs/node/commit/6db4392bfb)] - **doc**: made code spans more visible in the API docs (phijohns) [#3573](https://github.com/nodejs/node/pull/3573)
* [[`8a7dd73af1`](https://github.com/nodejs/node/commit/8a7dd73af1)] - **doc**: added what buf.copy returns (Manuel B) [#3555](https://github.com/nodejs/node/pull/3555)
* [[`cf4b65c2d6`](https://github.com/nodejs/node/commit/cf4b65c2d6)] - **doc**: fix function param order in assert doc (David Woods) [#3533](https://github.com/nodejs/node/pull/3533)
* [[`f50f19e384`](https://github.com/nodejs/node/commit/f50f19e384)] - **doc**: stdout/stderr can block when directed to file (Ben Noordhuis) [#3170](https://github.com/nodejs/node/pull/3170)
* [[`b2cc1302e0`](https://github.com/nodejs/node/commit/b2cc1302e0)] - **docs**: improve discoverability of Code of Conduct (Ashley Williams) [#3774](https://github.com/nodejs/node/pull/3774)
* [[`fa1ab497f1`](https://github.com/nodejs/node/commit/fa1ab497f1)] - **docs**: fs - change links to buffer encoding to Buffer class anchor (fansworld-claudio) [#2796](https://github.com/nodejs/node/pull/2796)
* [[`0311836e7a`](https://github.com/nodejs/node/commit/0311836e7a)] - **meta**: remove use of profanity in source (Myles Borins) [#4122](https://github.com/nodejs/node/pull/4122)
* [[`ff02b295fc`](https://github.com/nodejs/node/commit/ff02b295fc)] - **repl**: don't crash if cannot open history file (Evan Lucas) [#3630](https://github.com/nodejs/node/pull/3630)
* [[`329e88e545`](https://github.com/nodejs/node/commit/329e88e545)] - **repl**: To exit, press ^C again or type .exit. (Hemanth.HM) [#3368](https://github.com/nodejs/node/pull/3368)
* [[`5f66d66e84`](https://github.com/nodejs/node/commit/5f66d66e84)] - **test**: don't check the # of chunks in test-http-1.0 (Santiago Gimeno) [#3961](https://github.com/nodejs/node/pull/3961)
* [[`4e46e04002`](https://github.com/nodejs/node/commit/4e46e04002)] - **test**: add test for repl.defineCommand() (Bryan English) [#3908](https://github.com/nodejs/node/pull/3908)
* [[`4ea1a69c53`](https://github.com/nodejs/node/commit/4ea1a69c53)] - **test**: mark test flaky on FreeBSD (Rich Trott) [#4016](https://github.com/nodejs/node/pull/4016)
* [[`05b64c11f5`](https://github.com/nodejs/node/commit/05b64c11f5)] - **test**: mark cluster-net-send test flaky on windows (Rich Trott) [#4006](https://github.com/nodejs/node/pull/4006)
* [[`abbd87b273`](https://github.com/nodejs/node/commit/abbd87b273)] - **test**: mark fork regression test flaky on windows (Rich Trott) [#4005](https://github.com/nodejs/node/pull/4005)
* [[`38ba152a7a`](https://github.com/nodejs/node/commit/38ba152a7a)] - **test**: skip test if in FreeBSD jail (Rich Trott) [#3995](https://github.com/nodejs/node/pull/3995)
* [[`b2f1014d26`](https://github.com/nodejs/node/commit/b2f1014d26)] - **test**: remove flaky status for cluster test (Rich Trott) [#3975](https://github.com/nodejs/node/pull/3975)
* [[`cca216a034`](https://github.com/nodejs/node/commit/cca216a034)] - **test**: move test-specific function out of common (Rich Trott) [#3871](https://github.com/nodejs/node/pull/3871)
* [[`9ea6bc1e0f`](https://github.com/nodejs/node/commit/9ea6bc1e0f)] - **test**: skip test if FreeBSD jail will break it (Rich Trott) [#3839](https://github.com/nodejs/node/pull/3839)
* [[`603a6f5405`](https://github.com/nodejs/node/commit/603a6f5405)] - **test**: run pipeline flood test in parallel (Rich Trott) [#3811](https://github.com/nodejs/node/pull/3811)
* [[`4a26f74ee3`](https://github.com/nodejs/node/commit/4a26f74ee3)] - **test**: skip/replace weak crypto tests in FIPS mode (Stefan Budeanu) [#3757](https://github.com/nodejs/node/pull/3757)
* [[`3f9562b6bd`](https://github.com/nodejs/node/commit/3f9562b6bd)] - **test**: stronger crypto in test fixtures (Stefan Budeanu) [#3759](https://github.com/nodejs/node/pull/3759)
* [[`1f83eebec5`](https://github.com/nodejs/node/commit/1f83eebec5)] - **test**: increase crypto strength for FIPS standard (Stefan Budeanu) [#3758](https://github.com/nodejs/node/pull/3758)
* [[`0e8eb66a78`](https://github.com/nodejs/node/commit/0e8eb66a78)] - **test**: fix path to module for repl test on Windows (Michael Cornacchia) [#3608](https://github.com/nodejs/node/pull/3608)
* [[`542d05cbe1`](https://github.com/nodejs/node/commit/542d05cbe1)] - **test**: enhance fs-watch-recursive test (Sakthipriyan Vairamani) [#2599](https://github.com/nodejs/node/pull/2599)
* [[`0eb0119d64`](https://github.com/nodejs/node/commit/0eb0119d64)] - **tls**: Use SHA1 for sessionIdContext in FIPS mode (Stefan Budeanu) [#3755](https://github.com/nodejs/node/pull/3755)
* [[`c10c08604c`](https://github.com/nodejs/node/commit/c10c08604c)] - **tls**: remove util and calls to util.format (Myles Borins) [#3456](https://github.com/nodejs/node/pull/3456)
* [[`a558a570c0`](https://github.com/nodejs/node/commit/a558a570c0)] - **util**: use regexp instead of str.replace().join() (qinjia) [#3689](https://github.com/nodejs/node/pull/3689)
* [[`47bb94a0c3`](https://github.com/nodejs/node/commit/47bb94a0c3)] - **zlib**: only apply drain listener if given callback (Craig Cavalier) [#3534](https://github.com/nodejs/node/pull/3534)
* [[`4733a60158`](https://github.com/nodejs/node/commit/4733a60158)] - **zlib**: pass kind to recursive calls to flush (Myles Borins) [#3534](https://github.com/nodejs/node/pull/3534)