Node.js 4.4.0/5.8.0 发布

Node.js 今天发布两个更新版本，分别是：

4.4.0

SEMVER-MINOR 变化包括：

• deps:
  • An update to v8 that introduces a new flag –perf_basic_prof_only_functions (Ali Ijaz Sheikh) #3609
• http:
  • A new feature in http(s) agent that catches errors on keep alived connections (José F. Romaniello) #4482
• src:
  • Better support for Big-Endian systems (Bryon Leung) #3410
• tls:
  • A new feature that allows you to pass common SSL options to tls.createSecurePair(Коренберг Марк) #2441
• tools:
  • a new flag --prof-process which will execute the tick processor on the provided isolate files (Matt Loring) #4021

Notable semver patch changes include:

• build:
  • Support python path that includes spaces. This should be of particular interest to our Windows users who may have python living in c:/Program Files (Felix Becker) #4841
• https:
  • A potential fix for #3692 HTTP/HTTPS client requests throwing EPROTO (Fedor Indutny)#4982
• installer:
  • More readable profiling information from isolate tick logs (Matt Loring) #3032
• npm:
  • upgrade to npm 2.14.20 (Kat Marchán) #5510
• process:
  • Add support for symbols in event emitters. Symbols didn’t exist when it was written ¯_(ツ)_/¯ (cjihrig) #4798
• querystring:
  • querystring.parse() is now 13-22% faster! (Brian White) #4675
• streams:
  • performance improvements for moving small buffers that shows a 5% throughput gain. IoT projects have been seen to be as much as 10% faster with this change! (Matteo Collina)#4354
• tools:
  • eslint has been updated to version 2.1.0 (Rich Trott) #5214

5.8.0 值得关注的改进内容：

• child_process: send() now accepts an options parameter (cjihrig) #5283.
  • Currently the only option is keepOpen, which keeps the underlying socket open after the message is sent.
• constants: ENGINE_METHOD_RSA is now correctly exposed (Sam Roberts) #5463.
• Fixed two regressions which originated in v5.7.0:
  • http: Errors inside of http client callbacks now propagate correctly (Trevor Norris) #5591.
  • path: Fixed normalization of absolute paths (Evan Lucas) #5589.
• repl: start() no longer requires an options parameter (cjihrig) #5388.
• util: Improved format() performance 50-300% (Evan Lucas) #5360.

相关链接：

https://nodejs.org/en/blog/release/v4.4.0/

https://nodejs.org/en/blog/release/v5.8.0/

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