Link to newer blog post from the older one (#981)

* Link to newer blog post from the older one

* Update 2018-03-27-update-on-async-rendering.md

* Update 2018-03-27-update-on-async-rendering.md

content/blog/2018-03-27-update-on-async-rendering.md

@@ -39,10 +39,14 @@ Before we begin, here's a quick overview of the lifecycle changes planned for ve
 
 `embed:update-on-async-rendering/definition-getderivedstatefromprops.js`
 
-The new static `getDerivedStateFromProps` lifecycle is invoked after a component is instantiated as well as when it receives new props. It can return an object to update `state`, or `null` to indicate that the new `props` do not require any `state` updates.
+The new static `getDerivedStateFromProps` lifecycle is invoked after a component is instantiated as well as before it is re-rendered. It can return an object to update `state`, or `null` to indicate that the new `props` do not require any `state` updates.
 
 Together with `componentDidUpdate`, this new lifecycle should cover all use cases for the legacy `componentWillReceiveProps`.
 
+>Note:
+>
+>Both the older `componentWillReceiveProps` and the new `getDerivedStateFromProps` methods add significant complexity to components. This often leads to [bugs](/blog/2018/06/07/you-probably-dont-need-derived-state.html#common-bugs-when-using-derived-state). Consider **[simpler alternatives to derived state](/blog/2018/06/07/you-probably-dont-need-derived-state.html)** to make components predictable and maintainable.
+
 ### New lifecycle: `getSnapshotBeforeUpdate`
 
 `embed:update-on-async-rendering/definition-getsnapshotbeforeupdate.js`
@@ -121,6 +125,10 @@ Rather than passing a subscribable `dataSource` prop as we did in the example ab
 
 ### Updating `state` based on `props`
 
+>Note:
+>
+>Both the older `componentWillReceiveProps` and the new `getDerivedStateFromProps` methods add significant complexity to components. This often leads to [bugs](/blog/2018/06/07/you-probably-dont-need-derived-state.html#common-bugs-when-using-derived-state). Consider **[simpler alternatives to derived state](/blog/2018/06/07/you-probably-dont-need-derived-state.html)** to make components predictable and maintainable.
+
 Here is an example of a component that uses the legacy `componentWillReceiveProps` lifecycle to update `state` based on new `props` values:
 `embed:update-on-async-rendering/updating-state-from-props-before.js`