Node v4.1.0 (Current)

The Node.js Project

2015-09-17, Version 4.1.0 (Current), @Fishrock123

Notable changes

  • buffer:
    • Buffers are now created in JavaScript, rather than C++. This increases the speed of buffer creation (Trevor Norris) #2866.
    • Buffer#slice() now uses Uint8Array#subarray() internally, increasing slice() performance (Karl Skomski) #2777.
  • fs:
    • fs.utimes() now properly converts numeric strings, NaN, and Infinity (Yazhong Liu) #2387.
    • fs.WriteStream now implements _writev, allowing for super-fast bulk writes (Ron Korving) #2167.
  • http: Fixed an issue with certain write() sizes causing errors when using http.request() (Fedor Indutny) #2824.
  • npm: Upgrade to version 2.14.3, see for more details (Kat Marchán) #2822.
  • src: V8 cpu profiling no longer erroneously shows idle time (Oleksandr Chekhovskyi) #2324.
  • timers: #ref() and #unref() now return the timer they belong to (Sam Roberts) #2905.
  • v8: Lateral upgrade to from, contains minor fixes (Ali Ijaz Sheikh) #2870.
    • This fixes a previously known bug where some computed object shorthand properties did not work correctly (#2507).

Known issues

See for complete and current list of known issues.

  • Some problems with unreferenced timers running during beforeExit are still to be resolved. See #1264.
  • Surrogate pair in REPL can freeze terminal. #690
  • Calling dns.setServers() while a DNS query is in progress can cause the process to crash on a failed assertion. #894
  • url.resolve may transfer the auth portion of the url when resolving between two full hosts, see #1435.


  • [b1abe812cd] - Working on 4.0.1 (Rod Vagg)
  • [f9f8378853] - 2015-09-08, Version 4.0.0 (Current) Release (Rod Vagg)
  • [9683e5df51] - bindings: close after reading module struct (Fedor Indutny) #2792
  • [4b4cfa2d44] - buffer: always allocate typed arrays outside heap (Trevor Norris) #2893
  • [7df018a29b] - buffer: construct Uint8Array in JS (Trevor Norris) #2866
  • [43397b204e] - (SEMVER-MINOR) build: Updates to enable AIX support (Michael Dawson) #2364
  • [e35b1fd610] - build: clean up the generated tap file (Sakthipriyan Vairamani) #2837
  • [96670ebe37] - deps: backport 6d32be2 from v8's upstream (Michaël Zasso) #2916
  • [94972d5b13] - deps: backport 0d01728 from v8's upstream (Fedor Indutny) #2912
  • [7ebd881c29] - deps: upgrade V8 to (Ali Ijaz Sheikh) #2870
  • [ed47ab6e44] - deps: upgraded to [email protected] in npm (Kat Marchán) #2822
  • [f4641ae875] - deps: upgrade to npm 2.14.3 (Kat Marchán) #2822
  • [8119693a3d] - deps: update libuv to version 1.7.4 (Saúl Ibarra Corretgé) #2817
  • [6098504685] - deps: cherry-pick 6da51b4 from v8's upstream (Fedor Indutny) #2801
  • [bf42cc8dba] - doc: process exit event is not guaranteed to fire (Rich Trott) #2861
  • [bb0f869f67] - doc: remove incorrect reference to TCP in net docs (Sam Roberts) #2903
  • [302d59dce8] - doc: correct buffer.slice arg syntax (Sam Roberts) #2903
  • [74db9637b7] - doc: describe spawn option.detached (Sam Roberts) #2903
  • [a7bd897273] - doc: rename from iojs(1) to node(1) in benchmarks (Dmitry Vasilyev) #2884
  • [cd643d7c37] - doc: add missing backtick in buffer.markdown (Sven Slootweg) #2881
  • [e8a206e802] - doc: fix broken link in repl.markdown (Danny Nemer) #2827
  • [7ee36d61f7] - doc: fix typos in README (Ionică Bizău) #2852
  • [4d1ae26196] - doc: add tunniclm as a collaborator (Mike Tunnicliffe) #2826
  • [2d77d03643] - doc: fix two doc errors in stream and process (Jeremiah Senkpiel) #2549
  • [55ac24f721] - doc: fixed io.js references in process.markdown (Tristian Flanagan) #2846
  • [cd1297fb57] - doc: use "Calls" over "Executes" for consistency (Minwoo Jung) #2800
  • [d664b95581] - doc: use US English for consistency (Anne-Gaelle Colom) #2784
  • [82ba1839fb] - doc: use 3rd person singular for consistency (Anne-Gaelle Colom) #2765
  • [432cce6e95] - doc: describe process API for IPC (Sam Roberts) #1978
  • [1d75012b9d] - doc: fix comma splice in Assertion Testing doc (Rich Trott) #2728
  • [6108ea9bb4] - fs: consider NaN/Infinity in toUnixTimestamp (Yazhong Liu) #2387
  • [2b6aa9415f] - (SEMVER-MINOR) fs: implemented WriteStream#writev (Ron Korving) #2167
  • [431bf74c55] - http: default Agent.getName to 'localhost' (Malcolm Ahoy) #2825
  • [ea15d71c16] - http_server: fix resume after socket close (Fedor Indutny) #2824
  • [8e5843405b] - src: null env_ field from constructor (Trevor Norris) #2913
  • [0a5f80a11f] - src: use subarray() in Buffer#slice() for speedup (Karl Skomski) #2777
  • [57707e2490] - src: use ZCtxt as a source for v8::Isolates (Roman Klauke) #2547
  • [b0df2273ab] - src: fix v8::CpuProfiler idle sampling (Oleksandr Chekhovskyi) #2324
  • [eaa8e60b91] - streams: refactor LazyTransform to internal/ (Brendan Ashworth) #2566
  • [648c003e14] - test: use tmp directory in chdir test (Sakthipriyan Vairamani) #2589
  • [079a2173d4] - test: fix Buffer OOM error message (Trevor Norris) #2915
  • [52019a1b21] - test: fix default value for additional param (Sakthipriyan Vairamani) #2553
  • [5df5d0423a] - test: remove disabled test (Rich Trott) #2841
  • [9e5f0995bd] - test: split up internet dns tests (Rich Trott) #2802
  • [41f2dde51a] - test: increase dgram timeout for armv6 (Rich Trott) #2808
  • [6e2fe1c21a] - test: remove valid hostname check in test-dns.js (Rich Trott) #2785
  • [779e14f1a7] - test: expect error for test_lookup_ipv6_hint on FreeBSD (Rich Trott) #2724
  • [f931b9dd95] - (SEMVER-MINOR) timer: ref/unref return self (Sam Roberts) #2905
  • [59d03738cc] - tools: enable arrow functions in .eslintrc (Sakthipriyan Vairamani) #2840
  • [69e7b875a2] - tools: open test.tap file in write-binary mode (Sakthipriyan Vairamani) #2837
  • [ff6d30d784] - tools: add missing tick processor polyfill (Matt Loring) #2694
  • [519caba021] - tools: fix flakiness in test-tick-processor (Matt Loring) #2694
  • [ac004b8555] - tools: remove hyphen in TAP result (Sakthipriyan Vairamani) #2718
  • [ba47511976] - tsc: adjust TSC membership for IBM+StrongLoop (James M Snell) #2858
  • [e035266805] - win,msi: fix documentation shortcut url (Brian White) #2781

Windows 32-bit Installer:
Windows 64-bit Installer:
Windows 32-bit Binary:
Windows 64-bit Binary:
Mac OS X 64-bit Installer:
Mac OS X 64-bit Binary:
Linux 32-bit Binary:
Linux 64-bit Binary:
SmartOS 32-bit Binary:
SmartOS 64-bit Binary:
ARMv6 32-bit Binary:
ARMv7 32-bit Binary:
ARMv8 64-bit Binary:
Source Code:
Other release files:

Shasums (GPG signing hash: SHA512, file hash: SHA256):

Hash: SHA512

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Last Updated
Sep 17, 2015
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Table of Contents
  1. 2015-09-17, Version 4.1.0 (Current), @Fishrock123
  2. Notable changes
  3. Known issues
  4. Commits