React 15.3.0 发布了。

改进日志如下：

React

• Add React.PureComponent - a new base class to extend, replacing react-addons-pure-render-mixin now that mixins don't work with ES2015 classes. (@spicyj in #7195)

• Add new warning when modifying this.props.children. (@jimfb in #7001)

• Fixed issue with ref resolution order. (@gaearon in #7101)

• Warn when mixin is undefined. (@swaroopsm in #6158)

• Downgrade "unexpected batch number" invariant to a warning. (@spicyj in #7133)

• Validate arguments to oneOf and oneOfType PropTypes sooner. (@troydemonbreun in #6316)

• Warn when calling PropTypes directly. (@Aweary in #7132, #7194)

• Improve warning when using Maps as children. (@keyanzhang in #7260)

• Add additional type information to the PropTypes.element warning. (@alexzherdev in #7319)

• Improve component identification in no-op setState warning. (@keyanzhang in #7326)

React DOM

• Fix issue with nested server rendering. (@Aweary in #7033)

• Add xmlns, xmlnsXlink to supported SVG attributes. (@salzhrani in #6471)

• Add referrerPolicy to supported HTML attributes. (@Aweary in #7274)

• Fix issue resulting in <input type="range"> initial value being rounded. (@troydemonbreun in #7251)

React Test Renderer

• Initial public release of package allowing more focused testing. Install with npm install react-test-renderer. (@spicyj in #6944, #7258, @iamdustan in #7362)

React Perf Add-on

• Fix issue resulting in excessive warnings when encountering an internal measurement error. (@sassanh in #7299)

React TestUtils Add-on

• Implement type property on for events created via TestUtils.Simulate.*. (@yaycmyk in #6154)

• Fix crash when running TestUtils with the production build of React. (@gaearon in #7246)

下载地址：https://facebook.github.io/react/downloads.html