io.js 2.0.1 发布，此版本值得关注的更新如下： async_wrap: (Trevor Norris) #1614 it is now possible to filter by providers bit flags have been removed and replaced with method calls on the binding object note that this is an unstable API so feature additions and breaking changes won't change io.js semver libuv: resolves numerous io.js issues: #862 prevent spawning child processes with invalid stdio file descriptors #1397 fix EPERM error with fs.access(W_OK) on Windows #1621 build errors associated with the bundled libuv #1512 should properly fix Windows termination errors addons: the NODE_DEPRECATED macro was causing problems when compiling addons with older compilers, this should now be resolved (Ben Noordhuis) #1626 V8: upgrade V8 from 4.2.77.18 to 4.2.77.20 with minor fixes, including a bug preventing builds on FreeBSD 详细更新内容请看更新日志。 此版本现已提供下载：https://github.com/iojs/io.js/archive/v2.0.1.zip。 io.js 2.0.1 发布，服务器 JS 引擎下载地址
