* [[`a04408acce`](https://github.com/nodejs/node/commit/a04408acce)] - **repl**: limit persistent history correctly on load (Jeremiah Senkpiel) [#2356](https://github.com/nodejs/node/pull/2356)
* [[`3bafe1a59b`](https://github.com/nodejs/node/commit/3bafe1a59b)] - **src**: fix race condition in debug signal on exit (Ben Noordhuis) [#3528](https://github.com/nodejs/node/pull/3528)
* [[`fe01d0df7a`](https://github.com/nodejs/node/commit/fe01d0df7a)] - **src**: fix exception message encoding on Windows (Brian White) [#3288](https://github.com/nodejs/node/pull/3288)
* [[`4bac5d9ddf`](https://github.com/nodejs/node/commit/4bac5d9ddf)] - **stream**: avoid unnecessary concat of a single buffer. (Calvin Metcalf) [#3300](https://github.com/nodejs/node/pull/3300)
* 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
* [[`1d0f2cbf87`](https://github.com/nodejs/node/commit/1d0f2cbf87)] - **buffer**: fix value check for writeUInt{B,L}E (Trevor Norris) [#3500](https://github.com/nodejs/node/pull/3500)
* [[`dc655e1dd2`](https://github.com/nodejs/node/commit/dc655e1dd2)] - **build**: rectify --link-module help text (P.S.V.R) [#3379](https://github.com/nodejs/node/pull/3379)
* [[`a6469e901a`](https://github.com/nodejs/node/commit/a6469e901a)] - **deps**: backport 010897c from V8 upstream (Ali Ijaz Sheikh) [#3520](https://github.com/nodejs/node/pull/3520)
* [[`cadee67c25`](https://github.com/nodejs/node/commit/cadee67c25)] - **deps**: backport 8d6a228 from the v8's upstream (Fedor Indutny) [#3549](https://github.com/nodejs/node/pull/3549)
* [[`1ebd35550b`](https://github.com/nodejs/node/commit/1ebd35550b)] - **doc**: fix typos in changelog (reggi) [#3291](https://github.com/nodejs/node/pull/3291)
* [[`fbd93d4c1c`](https://github.com/nodejs/node/commit/fbd93d4c1c)] - **doc**: more use-cases for promise events (Domenic Denicola) [#3438](https://github.com/nodejs/node/pull/3438)
* [[`6ceb9af407`](https://github.com/nodejs/node/commit/6ceb9af407)] - **doc**: remove old note, 'cluster' is marked stable (Balázs Galambosi) [#3314](https://github.com/nodejs/node/pull/3314)
* [[`a5f0d64ddc`](https://github.com/nodejs/node/commit/a5f0d64ddc)] - **doc**: createServer's key option can be an array (Sakthipriyan Vairamani) [#3123](https://github.com/nodejs/node/pull/3123)
* [[`317e0ec6b3`](https://github.com/nodejs/node/commit/317e0ec6b3)] - **doc**: binary encoding is not deprecated (Trevor Norris) [#3441](https://github.com/nodejs/node/pull/3441)
* [[`b422f6ee1a`](https://github.com/nodejs/node/commit/b422f6ee1a)] - **doc**: mention the behaviour if URL is invalid (Sakthipriyan Vairamani) [#2966](https://github.com/nodejs/node/pull/2966)
* [[`bc29aad22b`](https://github.com/nodejs/node/commit/bc29aad22b)] - **doc**: fix indent in tls resumption example (Roman Reiss) [#3372](https://github.com/nodejs/node/pull/3372)
* [[`4be432862a`](https://github.com/nodejs/node/commit/4be432862a)] - **doc**: show keylen in pbkdf2 as a byte length (calebboyd) [#3334](https://github.com/nodejs/node/pull/3334)
* [[`23a1140ddb`](https://github.com/nodejs/node/commit/23a1140ddb)] - **doc**: add information about Assert behavior and maintenance (Rich Trott) [#3330](https://github.com/nodejs/node/pull/3330)
* [[`e04cb1e1fc`](https://github.com/nodejs/node/commit/e04cb1e1fc)] - **doc**: clarify API buffer.concat (Martii) [#3255](https://github.com/nodejs/node/pull/3255)
* [[`eae714c370`](https://github.com/nodejs/node/commit/eae714c370)] - **doc**: clarify the use of `option.detached` (Kyle Smith) [#3250](https://github.com/nodejs/node/pull/3250)
* [[`b884899e67`](https://github.com/nodejs/node/commit/b884899e67)] - **doc**: label v4.2.1 as LTS in changelog heading (Phillip Johnsen) [#3360](https://github.com/nodejs/node/pull/3360)
* [[`3bafe1a59b`](https://github.com/nodejs/node/commit/3bafe1a59b)] - **src**: fix race condition in debug signal on exit (Ben Noordhuis) [#3528](https://github.com/nodejs/node/pull/3528)
* [[`fe01d0df7a`](https://github.com/nodejs/node/commit/fe01d0df7a)] - **src**: fix exception message encoding on Windows (Brian White) [#3288](https://github.com/nodejs/node/pull/3288)
* [[`4bac5d9ddf`](https://github.com/nodejs/node/commit/4bac5d9ddf)] - **stream**: avoid unnecessary concat of a single buffer. (Calvin Metcalf) [#3300](https://github.com/nodejs/node/pull/3300)
* [[`117fb47a16`](https://github.com/nodejs/node/commit/117fb47a16)] - **stream**: fix signature of _write() in a comment (Fábio Santos) [#3248](https://github.com/nodejs/node/pull/3248)
* [[`c563a34427`](https://github.com/nodejs/node/commit/c563a34427)] - **test**: split independent tests into separate files (Rich Trott) [#3548](https://github.com/nodejs/node/pull/3548)
* [[`6b75f10d8a`](https://github.com/nodejs/node/commit/6b75f10d8a)] - **test**: use port number from env in tls socket test (Stefan Budeanu) [#3557](https://github.com/nodejs/node/pull/3557)
* [[`39ff44e94f`](https://github.com/nodejs/node/commit/39ff44e94f)] - **test**: fix heap-profiler link error LNK1194 on win (Junliang Yan) [#3572](https://github.com/nodejs/node/pull/3572)
* [[`a2786dd408`](https://github.com/nodejs/node/commit/a2786dd408)] - **test**: fix missing unistd.h on windows (Junliang Yan) [#3532](https://github.com/nodejs/node/pull/3532)
* [[`5e6f7c9a23`](https://github.com/nodejs/node/commit/5e6f7c9a23)] - **test**: add regression test for --debug-brk -e 0 (Ben Noordhuis) [#3585](https://github.com/nodejs/node/pull/3585)
* [[`7cad182cb6`](https://github.com/nodejs/node/commit/7cad182cb6)] - **test**: port domains regression test from v0.10 (Jonas Dohse) [#3356](https://github.com/nodejs/node/pull/3356)
* [[`78d854c6ce`](https://github.com/nodejs/node/commit/78d854c6ce)] - **test**: remove util from common (Rich Trott) [#3324](https://github.com/nodejs/node/pull/3324)
* [[`c566c8b8c0`](https://github.com/nodejs/node/commit/c566c8b8c0)] - **test**: remove util properties from common (Rich Trott) [#3304](https://github.com/nodejs/node/pull/3304)
* [[`eb7c3fb2f4`](https://github.com/nodejs/node/commit/eb7c3fb2f4)] - **test**: split up buffer tests for reliability (Rich Trott) [#3323](https://github.com/nodejs/node/pull/3323)
* [[`b398a85e19`](https://github.com/nodejs/node/commit/b398a85e19)] - **test**: parallelize long-running test (Rich Trott) [#3287](https://github.com/nodejs/node/pull/3287)
* [[`ea58fa0bac`](https://github.com/nodejs/node/commit/ea58fa0bac)] - **test**: add Symbol test for assert.deepEqual() (Rich Trott) [#3327](https://github.com/nodejs/node/pull/3327)
* [[`d409ac473b`](https://github.com/nodejs/node/commit/d409ac473b)] - **test**: disable test-tick-processor - aix and be ppc (Michael Dawson) [#3491](https://github.com/nodejs/node/pull/3491)
* [[`eac2acca76`](https://github.com/nodejs/node/commit/eac2acca76)] - **test**: remove flaky status from eval_messages test (Rich Trott) [#3420](https://github.com/nodejs/node/pull/3420)
* [[`155c778584`](https://github.com/nodejs/node/commit/155c778584)] - **test**: fix flaky test for symlinks (Rich Trott) [#3418](https://github.com/nodejs/node/pull/3418)