Merge branch 'master' of https://github.com/drcmda/react-spring

Author: drcmda

documentation/Addons.mdx

@@ -7,7 +7,7 @@ order: -1
 # Addons
 
 ```jsx
-import { {
+import {
   TimingAnimation,
   OscillatorAnimation,
   Easing,
@@ -17,4 +17,4 @@ import { {
 } from 'react-spring/dist/addons'
 ```
 
-You'll find varying implementations under [/dist/addons](https://github.com/drcmda/react-spring/tree/master/src/addons). For now there's a time-based animation as well common [easings](https://github.com/drcmda/react-spring/blob/master/src/addons/Easing.js), and IOS'es harmonic oscillator spring. All primitives understand the `impl` property which you can use to switch implementations.
+You'll find varying implementations under [/dist/addons](https://github.com/drcmda/react-spring/tree/master/src/addons). For now there's a time-based animation as well common [easings](https://github.com/drcmda/react-spring/blob/master/src/addons/Easing.js), and IOS'es harmonic oscillator spring. All primitives understand the `impl` property which you can use to switch implementations.

src/targets/web/fix-auto.js

@@ -23,6 +23,7 @@ export default function fixAuto(props, callback) {
   // Return v.dom with injected ref
   return (
     <element.type
+      key={element.key}
       {...element.props}
       style={{ ...elementStyles, position: 'absolute', visibility: 'hidden' }}
       ref={ref => {