Node.js v4.2.0 "Argon" (LTS) 发布， 这是首个长期支持版哦，作为一个长期支持版本，从今天开始将会继续支持 v4.x 30 个月。
升级的内容:
1. icu更新到v56, 并添加一个属性叫process.versions.icu
2. 新增-c操作, 用于检查语法错误
3. 新增属性process.release.lts
值得关注的改进：
icu: Updated to version 56 with significant performance improvements (Steven R. Loomis) #3281
node:
Added new -c (or --check) command line argument for checking script syntax without executing the code (Dave Eddy) #2411
Added process.versions.icu to hold the current ICU library version (Evan Lucas) #3102
Added process.release.lts to hold the current LTS codename when the binary is from an active LTS release line (Rod Vagg) #3212
npm: Upgraded to npm 2.14.7 from 2.14.4, see release notes for full details (Kat Marchán) #3299
下载：
Windows 32-bit Installer: https://nodejs.org/dist/v4.2.0/node-v4.2.0-x86.msi
Windows 64-bit Installer: https://nodejs.org/dist/v4.2.0/node-v4.2.0-x64.msi
Windows 32-bit Binary: https://nodejs.org/dist/v4.2.0/win-x86/node.exe
Windows 64-bit Binary: https://nodejs.org/dist/v4.2.0/win-x64/node.exe
Mac OS X 64-bit Installer: https://nodejs.org/dist/v4.2.0/node-v4.2.0.pkg
Mac OS X 64-bit Binary: https://nodejs.org/dist/v4.2.0/node-v4.2.0-darwin-x64.tar.gz
Linux 32-bit Binary: https://nodejs.org/dist/v4.2.0/node-v4.2.0-linux-x86.tar.gz
Linux 64-bit Binary: https://nodejs.org/dist/v4.2.0/node-v4.2.0-linux-x64.tar.gz
SunOS 32-bit Binary: https://nodejs.org/dist/v4.2.0/node-v4.2.0-sunos-x86.tar.gz
SunOS 64-bit Binary: https://nodejs.org/dist/v4.2.0/node-v4.2.0-sunos-x64.tar.gz
ARMv6 32-bit Binary: Coming soon
ARMv7 32-bit Binary: https://nodejs.org/dist/v4.2.0/node-v4.2.0-linux-armv7l.tar.gz
ARMv8 64-bit Binary: https://nodejs.org/dist/v4.2.0/node-v4.2.0-linux-arm64.tar.gz
Source Code: https://nodejs.org/dist/v4.2.0/node-v4.2.0.tar.gz
Other release files: https://nodejs.org/dist/v4.2.0/
Documentation: https://nodejs.org/docs/v4.2.0/api/
更多内容请看发行说明：https://nodejs.org/en/blog/release/v4.2.0/
来自:开源中国社区
