### Notable changes

* **child_process**: Fix error that was causing crashes (Evan Lucas) [#2727](https://github.com/nodejs/node/pull/2727)

* **crypto**: Replace use of rwlocks, unsafe on Windows XP / 2003 (Ben Noordhuis) [#2723](https://github.com/nodejs/node/pull/2723)

* **libuv**: Upgrade from 1.7.3 to 1.7.4 (Saúl Ibarra Corretgé) [#2817](https://github.com/nodejs/node/pull/2817)

- Add support for default author field to make `npm init -y` work without user-input (@othiym23) [npm/npm/d8eee6cf9d](https://github.com/npm/npm/commit/d8eee6cf9d2ff7aca68dfaed2de76824a3e0d9af)

- Include local modules in `npm outdated` and `npm update` (@ArnaudRinquin) [npm/npm#7426](https://github.com/npm/npm/issues/7426)

- The prefix used before the version number on `npm version` is now configurable via `tag-version-prefix` (@kkragenbrink) [npm/npm#8014](https://github.com/npm/npm/issues/8014)

* **process**:

- `process.nextTick()` performance has been improved by between 2-42% across the benchmark suite, notable because this is heavily used across core (Brian White) [#1571](https://github.com/nodejs/node/pull/1571)

- New `process.geteuid()`, `process.seteuid(id)`, `process.getegid()` and `process.setegid(id)` methods allow you to get and set effective UID and GID of the process (Evan Lucas) [#1536](https://github.com/nodejs/node/pull/1536)

* [[`10277d2`](https://github.com/nodejs/node/commit/10277d2e57ee7fe9e0e3f63f10b9ea521e86e7f0)] - docs: include mention of new crypto methods (Calvin Metcalf)

* [[`9a8f186`](https://github.com/nodejs/node/commit/9a8f18613da4956c963377e2ad55cdd3dabc32aa)] - child_process: add debug and error details (Zach Bruggeman)

* [[`6f7a978`](https://github.com/nodejs/node/commit/6f7a9784eaef82a1aa6cf53bbbd7224c446876a0)] - crypto: clear error on return in TLS methods (Fedor Indutny)

* [[`e0730ee`](https://github.com/nodejs/node/commit/e0730eeaa5231841a7eba080c8170e41278c3c52)] - benchmark: allow compare via fine-grained filters (Brian White)

* [[`96ffcb9`](https://github.com/nodejs/node/commit/96ffcb9a210a2fa1248ae5931290193573512a96)] - src: reduce cpu profiler overhead (Ben Noordhuis)

* [[`3e675e4`](https://github.com/nodejs/node/commit/3e675e44b59f1be8e5581de000f3cb17ef747c14)] - benchmark: don't use template strings (Evan Lucas)

* [[`b5166cb`](https://github.com/nodejs/node/commit/b5166cb7d269cd1bf90d1768f82767b05b9ac1f8)] - benchmark: add bench-(url & events) make targets (Yosuke Furukawa)

* [[`5843ae8`](https://github.com/nodejs/node/commit/5843ae8dfba5db83f2c04ed2db847049cbd2ab0d)] - Revert "doc: clarify fs.symlink and fs.symlinkSync parameters" (Bert Belder)

* [[`668bde8`](https://github.com/nodejs/node/commit/668bde8ac0d16382cbc98c904d8b5f55fd9fd9f0)] - win,msi: broadcast WM_SETTINGCHANGE after install (Mathias Küsel)

* [[`1953886`](https://github.com/nodejs/node/commit/1953886126a2ab3e7291a73767ee4302a391a208)] - test: fs.createReadStream().destroy() fd leak (Rod Vagg)

* [[`497fd72`](https://github.com/nodejs/node/commit/497fd72e21d2d1216e8457928d1a8082349fd0e5)] - fs: fix fd leak in ReadStream.destroy() (Alex Kocharin)

* [[`8b09ae7`](https://github.com/nodejs/node/commit/8b09ae76f1d854a0db579fc0737df4809ce6087d)] - doc: add links for http_parser/libuv upgrades (Michael Hart)

* fs: make 'end' work with ReadStream without 'start' (Ben Noordhuis)

* https: optimize createConnection() (Ryunosuke SATO)

* buffer: speed up base64 encoding by 20% (Ben Noordhuis)

* net: socket.readyState corrections (bentaber)

* http: Performance enhancements for http under streams2 (isaacs)

* stream: fix to emit end event on http.ClientResponse (Shigeki Ohtsu)

* npm: Upgrade to v1.2.2

* dns: make error message match errno (Dan Milon)

* buffer: reject negative SlowBuffer offsets (Ben Noordhuis)

* install: add simplejson fallback (Chris Dent)

* http: fix "Cannot call method 'emit' of null" (Ben Noordhuis)

- Support for parallel use of the cache folder

- Retry on registry timeouts or network failures (Trent Mick)

- Reduce 'engines' failures to a warning

* Fix [#3577](https://github.com/joyent/node/issues/3577) Un-break require('sys')

* util: speed up formatting of large arrays/objects (Ben Noordhuis)

* Upgrade V8 to 3.8.6

* Use GYP build system on unix (Ben Noordhuis)

* Improvements to Cluster API (Andreas Madsen)

* Use isolates for internal debugger (Fedor Indutny)

* Bug fixes

* Remove cmake build system, support for Cygwin, legacy code base,

process.ENV, process.ARGV, process.memoryUsage().vsize, os.openOSHandle

koichik, Maciej Małecki, Guglielmo Ferri, isaacs)

* Performance improvements (Daniel Ennis, Bert Belder, Ben Noordhuis)

* cmake improvements (Tom Hughes)

* node_net.cc: fix incorrect sizeof() (Tom Hughes)

* Windows/cygwin: no more GetConsoleTitleW errors on XP (Bert Belder)

## 2011.07.19, Version 0.4.10 (stable)

* Fix Buffer.toString() on 0-length slices. (Peter Griess)

* Cache modules based on filename rather than ID (Isaac Schlueter)

* Support DEL in the REPL. (Jérémy Lal)

* Upgrade http-parser, upgrade V8 to 2.3.2

* API: request.uri -> request.url

It is no longer an object, but a string. The 'url' module

parses the request URL automatically.

require('url').parse(request.url)

(isaacs)

* Bugfix: Several libeio related race conditions.

* Bugfix: Internally use full paths when loading modules

this fixes a shebang loading problem.

args from program args.

* Add man page.

connection before sending data every time (Kevin van Zonneveld)

* Bugfix: stdin fd (0) being ignored by node.File. (Abe Fettig)

* API: Return the EventEmitter from addListener for chaining.

* API: tcp.Connection "disconnect" event renamed to "close"