React 15.2.1 发布了。 本次发布改进日志如下： React Fix errant warning about missing React element. (@gaearon in #7193) Better removal of dev-only code, leading to a small reduction in the minified production bundle size. (@gaearon in #7188, #7189) React DOM Add stack trace to null input value warning. (@jimfb in #7040) Fix webcomponents example. (@jalexanderfox in #7057) Fix unstable_renderSubtreeIntoContainer so that context properly updates when linked to state. (@gaearon in #7125) Improve invariant wording for void elements. (@starkch in #7066) Ensure no errors are thrown due to event handlers in server rendering. (@rricard in #7127) Fix regression resulting in value-less submit and reset inputs removing the browser-default text. (@zpao in #7197) Fix regression resulting in empty name attribute being added to inputs when not provided. (@okonet in #7199) Fix issue with nested server rendering. (@Aweary in #7033) React Perf Add-on Make ReactPerf.start() work properly during lifecycle methods. (@gaearon in #7208). React CSSTransitionGroup Add-on Fix issue resulting in spurious unknown property warnings. (@batusai513 in #7165) React Native Renderer Improve error handling in cross-platform touch event handling. (@yungsters in #7143) 下载地址： react-15.2.1.zip Source code (zip) Source code (tar.gz) React 15.2.1 发布，JavaScript 库下载地址
