Socket.IO 1.2.0 发布，包括重要的 bug 修复和一些 API 更新。
更新内容如下：
服务器
Fixed the npm main property in the chat example (GH#1766) [BrianGeppert]
Some grammar fixes to the chat example strings (GH#1784) [matthewcanty]
Fixed room autopruning (memory leak fix) (GH#2 GH#12) [hallucynogenyc & rase-]
Added tests to check room autopruning (GH#1792) [rase-]
Fixed the backwards compatibility option for the resource option when used through .set (GH#1690) [rase-]
Replaced the server constructor without the new keyword in README with createServer to avoid confusion (GH#1626) [thanpolas]
Fixed grammar issues in the README (GH#1788) [jamesanthonyferguson]
The origins option now takes a function so allowed origins can dynamically change at run time (GH#1777) [akamensky]
Fixed the Server#close example (GH#1773) [AjayMT]
Fixed typo in README code example (GH#280) [reem]
Added missing support for XSS filters on IE (GH#254) [pawelatomic]
Allow upgrades if a socket is still in closing state (GH#285) [lpinca & 3rd-Eden]
Updated the debug module in socket.io-adapter (GH#7) [keskival]
Fixed jsonp tests for transport close deferring (GH#289) [rase-]
Fixed the install issue of the indexOf module (GH#16) [rase-]
客户端
Fixed binary transport check if the content-type header contains a charset (GH#342) [bimusiek]
When upgrading wait for it to finish before closing transport (GH#356) [nkzawa]
Fixed close defer tests (GH#346) [rase-]
Fixed “jsonp polling iframe removal error” on connection close (GH#349) [aaronk6]
Fixed namespace tests after dependency upgrade in socket.io server [rauchg]
Possibility to use a relative url without schema (GH#754) [toshipon]
Fixed manual reconnection via connect function (now public API) (GH#732) [nkzawa]
Updated repository url (GH#762) [haqii]
Delaying transport closing until the drain event to send all packets left in the buffer (GH#351, GH#352) [nkzawa & rase-]
Now supports PhantomJS (GH#34) [divdavem]
Fixed an error in strict mode (GH#355) [nkzawa]
Had priority XHR over XDR (GH#341) [yujiosaka]
Enabled to stop reconnection attempts (GH#766) [nkzawa]
Fixed reconnection after reconnecting manually (GH#767) [nkzawa]
Fixed reconnection tests (GH#768) [rase-]
socket.io-redis
Prettier badges (GH#12) [Krinkle]
Readme updates to instruct in Redis authentication (GH#24) [Siedrix]
Socket.IO 实现了实时双向的基于事件的通讯机制。旨在让各种浏览器与移动设备上实现实时app功能，模糊化各种传输机制。
Socket.IO 是跨平台，多种连接方式自动切换，做即时通讯方面的开发很方便，而且能和expressjs提供的传统请求方式很好的结合，即可以 在同一个域名，同一个端口提供两种连接方式：request/response, websocket(flashsocket,ajax…).
软件详情：http://socket.io/
下载地址：https://github.com/Automattic/socket.io
来自:开源中国社区
