diff --git a/docs/next/layoutanimation.html b/docs/next/layoutanimation.html
index 061ec52177f..75758aa30ee 100644
--- a/docs/next/layoutanimation.html
+++ b/docs/next/layoutanimation.html
@@ -86,11 +86,57 @@
 <pre><code class="hljs css language-javascript"><span class="hljs-keyword">static</span> checkConfig(config, location, name)
 </code></pre>
 <h2><a class="anchor" aria-hidden="true" id="properties-1"></a><a href="#properties-1" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Properties</h2>
+<h3><a class="anchor" aria-hidden="true" id="types"></a><a href="#types" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Types</h3>
+<p>An enumerate of animation types to be used in <a href="/react-native/docs/next/layoutanimation#create"><code>create</code></a> method.</p>
+<table>
+<thead>
+<tr><th>Types</th></tr>
+</thead>
+<tbody>
+<tr><td>spring</td></tr>
+<tr><td>linear</td></tr>
+<tr><td>easeInEaseOut</td></tr>
+<tr><td>easeIn</td></tr>
+<tr><td>easeOut</td></tr>
+<tr><td>keyboard</td></tr>
+</tbody>
+</table>
 <hr>
+<h3><a class="anchor" aria-hidden="true" id="properties-2"></a><a href="#properties-2" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Properties</h3>
+<p>An enumerate of object property to be animated, used in <a href="/react-native/docs/next/layoutanimation#create"><code>create</code></a> method.</p>
+<table>
+<thead>
+<tr><th>Properties</th></tr>
+</thead>
+<tbody>
+<tr><td>opacity</td></tr>
+<tr><td>scaleX</td></tr>
+<tr><td>scaleY</td></tr>
+<tr><td>scaleXY</td></tr>
+</tbody>
+</table>
 <hr>
+<h3><a class="anchor" aria-hidden="true" id="presets"></a><a href="#presets" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Presets</h3>
+<p>A set of predefined animation config.</p>
+<table>
+<thead>
+<tr><th>Presets</th><th>Value</th></tr>
+</thead>
+<tbody>
+<tr><td>easeInEaseOut</td><td><code>create(300, 'easeInEaseOut', 'opacity')</code></td></tr>
+<tr><td>linear</td><td><code>create(500, 'linear', 'opacity')</code></td></tr>
+<tr><td>spring</td><td><code>{ duration: 700, create: { type: 'linear', property: 'opacity' }, update: { type: 'spring', springDamping: 0.4 }, delete: { type: 'linear', property: 'opacity' } }</code></td></tr>
+</tbody>
+</table>
 <hr>
+<h3><a class="anchor" aria-hidden="true" id="easeineaseout"></a><a href="#easeineaseout" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>easeInEaseOut</h3>
+<p>Shortcut to bind <code>configureNext()</code> methods with <code>Presets.easeInEaseOut</code>.</p>
 <hr>
+<h3><a class="anchor" aria-hidden="true" id="linear"></a><a href="#linear" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>linear</h3>
+<p>Shortcut to bind <code>configureNext()</code> methods with <code>Presets.linear</code>.</p>
 <hr>
+<h3><a class="anchor" aria-hidden="true" id="spring"></a><a href="#spring" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>spring</h3>
+<p>Shortcut to bind <code>configureNext()</code> methods with <code>Presets.spring</code>.</p>
 </span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/react-native/docs/next/layout-props">← Layout Props</a><a class="docs-next button" href="/react-native/docs/next/linking">Linking →</a></div></div></div></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/react-native/" class="nav-home"><img src="/react-native/img/header_logo.png" alt="React Native" width="66" height="58"/></a><div><h5><a href="/react-native/docs/getting-started.html">Docs</a></h5><a href="/react-native/docs/getting-started.html">Getting Started</a><a href="/react-native/docs/tutorial.html">Tutorial</a><a href="/react-native/docs/components-and-apis.html">Components and APIs</a><a href="/react-native/docs/more-resources.html">More Resources</a></div><div><h5><a href="/react-native/help.html">Community</a></h5><a href="/react-native/showcase.html">Who&#x27;s using React Native?</a><a href="http://stackoverflow.com/questions/tagged/react-native" target="_blank">Stack Overflow</a><a href="https://discuss.reactjs.org" target="_blank">Discussion Forum</a><a href="https://discord.gg/0ZcbPKXt5bZjGY5n">Reactiflux Chat</a></div><div><h5>More</h5><a href="/react-native/blog">Blog</a><a href="https://twitter.com/reactnative" target="_blank">Twitter</a><a href="https://github.com/facebook/react-native" target="_blank">GitHub</a><a href="http://reactjs.org" target="_blank">React</a></div></section><a href="https://code.facebook.com/projects/" target="_blank" class="fbOpenSource"><img src="/react-native/img/oss_logo.png" alt="Facebook Open Source" width="170" height="45"/></a><section class="copyright">Copyright © 2018 Facebook Inc.</section></footer></div><script type="text/javascript" src="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.js"></script><script>window.fbAsyncInit = function() {FB.init({appId:'1677033832619985',xfbml:true,version:'v2.7'});};(function(d, s, id){var js, fjs = d.getElementsByTagName(s)[0];if (d.getElementById(id)) {return;}js = d.createElement(s); js.id = id;js.src = '//connect.facebook.net/en_US/sdk.js';fjs.parentNode.insertBefore(js, fjs);}(document, 'script','facebook-jssdk'));
                 </script><script>window.twttr=(function(d,s, id){var js,fjs=d.getElementsByTagName(s)[0],t=window.twttr||{};if(d.getElementById(id))return t;js=d.createElement(s);js.id=id;js.src='https://platform.twitter.com/widgets.js';fjs.parentNode.insertBefore(js, fjs);t._e = [];t.ready = function(f) {t._e.push(f);};return t;}(document, 'script', 'twitter-wjs'));</script><script>
               var search = docsearch({
diff --git a/docs/next/layoutanimation/index.html b/docs/next/layoutanimation/index.html
index 061ec52177f..75758aa30ee 100644
--- a/docs/next/layoutanimation/index.html
+++ b/docs/next/layoutanimation/index.html
@@ -86,11 +86,57 @@
 <pre><code class="hljs css language-javascript"><span class="hljs-keyword">static</span> checkConfig(config, location, name)
 </code></pre>
 <h2><a class="anchor" aria-hidden="true" id="properties-1"></a><a href="#properties-1" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Properties</h2>
+<h3><a class="anchor" aria-hidden="true" id="types"></a><a href="#types" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Types</h3>
+<p>An enumerate of animation types to be used in <a href="/react-native/docs/next/layoutanimation#create"><code>create</code></a> method.</p>
+<table>
+<thead>
+<tr><th>Types</th></tr>
+</thead>
+<tbody>
+<tr><td>spring</td></tr>
+<tr><td>linear</td></tr>
+<tr><td>easeInEaseOut</td></tr>
+<tr><td>easeIn</td></tr>
+<tr><td>easeOut</td></tr>
+<tr><td>keyboard</td></tr>
+</tbody>
+</table>
 <hr>
+<h3><a class="anchor" aria-hidden="true" id="properties-2"></a><a href="#properties-2" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Properties</h3>
+<p>An enumerate of object property to be animated, used in <a href="/react-native/docs/next/layoutanimation#create"><code>create</code></a> method.</p>
+<table>
+<thead>
+<tr><th>Properties</th></tr>
+</thead>
+<tbody>
+<tr><td>opacity</td></tr>
+<tr><td>scaleX</td></tr>
+<tr><td>scaleY</td></tr>
+<tr><td>scaleXY</td></tr>
+</tbody>
+</table>
 <hr>
+<h3><a class="anchor" aria-hidden="true" id="presets"></a><a href="#presets" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Presets</h3>
+<p>A set of predefined animation config.</p>
+<table>
+<thead>
+<tr><th>Presets</th><th>Value</th></tr>
+</thead>
+<tbody>
+<tr><td>easeInEaseOut</td><td><code>create(300, 'easeInEaseOut', 'opacity')</code></td></tr>
+<tr><td>linear</td><td><code>create(500, 'linear', 'opacity')</code></td></tr>
+<tr><td>spring</td><td><code>{ duration: 700, create: { type: 'linear', property: 'opacity' }, update: { type: 'spring', springDamping: 0.4 }, delete: { type: 'linear', property: 'opacity' } }</code></td></tr>
+</tbody>
+</table>
 <hr>
+<h3><a class="anchor" aria-hidden="true" id="easeineaseout"></a><a href="#easeineaseout" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>easeInEaseOut</h3>
+<p>Shortcut to bind <code>configureNext()</code> methods with <code>Presets.easeInEaseOut</code>.</p>
 <hr>
+<h3><a class="anchor" aria-hidden="true" id="linear"></a><a href="#linear" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>linear</h3>
+<p>Shortcut to bind <code>configureNext()</code> methods with <code>Presets.linear</code>.</p>
 <hr>
+<h3><a class="anchor" aria-hidden="true" id="spring"></a><a href="#spring" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>spring</h3>
+<p>Shortcut to bind <code>configureNext()</code> methods with <code>Presets.spring</code>.</p>
 </span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/react-native/docs/next/layout-props">← Layout Props</a><a class="docs-next button" href="/react-native/docs/next/linking">Linking →</a></div></div></div></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/react-native/" class="nav-home"><img src="/react-native/img/header_logo.png" alt="React Native" width="66" height="58"/></a><div><h5><a href="/react-native/docs/getting-started.html">Docs</a></h5><a href="/react-native/docs/getting-started.html">Getting Started</a><a href="/react-native/docs/tutorial.html">Tutorial</a><a href="/react-native/docs/components-and-apis.html">Components and APIs</a><a href="/react-native/docs/more-resources.html">More Resources</a></div><div><h5><a href="/react-native/help.html">Community</a></h5><a href="/react-native/showcase.html">Who&#x27;s using React Native?</a><a href="http://stackoverflow.com/questions/tagged/react-native" target="_blank">Stack Overflow</a><a href="https://discuss.reactjs.org" target="_blank">Discussion Forum</a><a href="https://discord.gg/0ZcbPKXt5bZjGY5n">Reactiflux Chat</a></div><div><h5>More</h5><a href="/react-native/blog">Blog</a><a href="https://twitter.com/reactnative" target="_blank">Twitter</a><a href="https://github.com/facebook/react-native" target="_blank">GitHub</a><a href="http://reactjs.org" target="_blank">React</a></div></section><a href="https://code.facebook.com/projects/" target="_blank" class="fbOpenSource"><img src="/react-native/img/oss_logo.png" alt="Facebook Open Source" width="170" height="45"/></a><section class="copyright">Copyright © 2018 Facebook Inc.</section></footer></div><script type="text/javascript" src="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.js"></script><script>window.fbAsyncInit = function() {FB.init({appId:'1677033832619985',xfbml:true,version:'v2.7'});};(function(d, s, id){var js, fjs = d.getElementsByTagName(s)[0];if (d.getElementById(id)) {return;}js = d.createElement(s); js.id = id;js.src = '//connect.facebook.net/en_US/sdk.js';fjs.parentNode.insertBefore(js, fjs);}(document, 'script','facebook-jssdk'));
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diff --git a/docs/next/native-components-ios.html b/docs/next/native-components-ios.html
index 8772fc5fb25..cceadfc97eb 100644
--- a/docs/next/native-components-ios.html
+++ b/docs/next/native-components-ios.html
@@ -126,7 +126,7 @@ var RNTMap = requireNativeComponent('RNTMap', MapView);
 
 module.exports = MapView;
 </span></code></pre>
-<p>Now we have a nicely documented wrapper component that is easy to work with. Note that we changed the second argument to <code>requireNativeComponent</code> from <code>null</code> to the new <code>MapView</code> wrapper component. This allows the infrastructure to verify that the propTypes match the native props to reduce the chances of mismatches between the ObjC and JS code.</p>
+<p>Now we have a nicely documented wrapper component that is easy to work with. Note that we changed <code>requireNativeComponent</code>'s second argument from <code>null</code> to the new <code>MapView</code> wrapper component. This allows the infrastructure to verify that the propTypes match the native props in order to reduce the chances of mismatches between the Objective-C and JavaScript code.</p>
 <p>Next, let's add the more complex <code>region</code> prop. We start by adding the native code:</p>
 <pre><code class="hljs css language-objectivec"><span class="hljs-comment">// RNTMapManager.m</span>
 RCT_CUSTOM_VIEW_PROPERTY(region, <span class="hljs-built_in">MKCoordinateRegion</span>, <span class="hljs-built_in">MKMapView</span>)
@@ -255,7 +255,7 @@ render() {
 
 <span class="hljs-keyword">@end</span>
 </code></pre>
-<p>Next, declare an event handler property on <code>RNTMapManager</code>, make it a delegate for all the views it exposes, and forward events to JS by calling the event handler block from the native view.</p>
+<p>Note that all <code>RCTBubblingEventBlock</code> must be prefixed with <code>on</code>. Next, declare an event handler property on <code>RNTMapManager</code>, make it a delegate for all the views it exposes, and forward events to JS by calling the event handler block from the native view.</p>
 <pre><code class="hljs css language-objectivec{9,17,31-48}"><span class="hljs-comment">// RNTMapManager.m</span>
 
 <span class="hljs-meta">#import <span class="hljs-meta-string">&lt;MapKit/MapKit.h&gt;</span></span>
diff --git a/docs/next/native-components-ios/index.html b/docs/next/native-components-ios/index.html
index 8772fc5fb25..cceadfc97eb 100644
--- a/docs/next/native-components-ios/index.html
+++ b/docs/next/native-components-ios/index.html
@@ -126,7 +126,7 @@ var RNTMap = requireNativeComponent('RNTMap', MapView);
 
 module.exports = MapView;
 </span></code></pre>
-<p>Now we have a nicely documented wrapper component that is easy to work with. Note that we changed the second argument to <code>requireNativeComponent</code> from <code>null</code> to the new <code>MapView</code> wrapper component. This allows the infrastructure to verify that the propTypes match the native props to reduce the chances of mismatches between the ObjC and JS code.</p>
+<p>Now we have a nicely documented wrapper component that is easy to work with. Note that we changed <code>requireNativeComponent</code>'s second argument from <code>null</code> to the new <code>MapView</code> wrapper component. This allows the infrastructure to verify that the propTypes match the native props in order to reduce the chances of mismatches between the Objective-C and JavaScript code.</p>
 <p>Next, let's add the more complex <code>region</code> prop. We start by adding the native code:</p>
 <pre><code class="hljs css language-objectivec"><span class="hljs-comment">// RNTMapManager.m</span>
 RCT_CUSTOM_VIEW_PROPERTY(region, <span class="hljs-built_in">MKCoordinateRegion</span>, <span class="hljs-built_in">MKMapView</span>)
@@ -255,7 +255,7 @@ render() {
 
 <span class="hljs-keyword">@end</span>
 </code></pre>
-<p>Next, declare an event handler property on <code>RNTMapManager</code>, make it a delegate for all the views it exposes, and forward events to JS by calling the event handler block from the native view.</p>
+<p>Note that all <code>RCTBubblingEventBlock</code> must be prefixed with <code>on</code>. Next, declare an event handler property on <code>RNTMapManager</code>, make it a delegate for all the views it exposes, and forward events to JS by calling the event handler block from the native view.</p>
 <pre><code class="hljs css language-objectivec{9,17,31-48}"><span class="hljs-comment">// RNTMapManager.m</span>
 
 <span class="hljs-meta">#import <span class="hljs-meta-string">&lt;MapKit/MapKit.h&gt;</span></span>