diff --git a/CHANGELOG.md b/CHANGELOG.md
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--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,26 @@
   </summary>
 </details>
 
+## 16.3.1 (April 3, 2018)
+
+### React
+
+* Fix a false positive warning in IE11 when using `Fragment`. ([@heikkilamarko](https://github.com/heikkilamarko) in [#12504](https://github.com/facebook/react/pull/12504))
+* Prefix a private API. ([@Andarist](https://github.com/Andarist) in [#12501](https://github.com/facebook/react/pull/12501))
+* Improve the warning when calling `setState()` in constructor. ([@gaearon](https://github.com/gaearon) in [#12532](https://github.com/facebook/react/pull/12532))
+
+### React DOM
+
+* Fix `getDerivedStateFromProps()` not getting applied in some cases. ([@acdlite](https://github.com/acdlite) in [#12528](https://github.com/facebook/react/pull/12528))
+* Fix a performance regression in development mode. ([@gaearon](https://github.com/gaearon) in [#12510](https://github.com/facebook/react/pull/12510))
+* Fix error handling bugs in development mode. ([@gaearon](https://github.com/gaearon) and [@acdlite](https://github.com/acdlite) in [#12508](https://github.com/facebook/react/pull/12508))
+* Improve user timing API messages for profiling. ([@flarnie](https://github.com/flarnie) in [#12384](https://github.com/facebook/react/pull/12384))
+
+### Create Subscription
+
+* Set the package version to be in sync with React releases. ([@bvaughn](https://github.com/bvaughn) in [#12526](https://github.com/facebook/react/pull/12526))
+* Add a peer dependency on React 16.3+. ([@NMinhNguyen](https://github.com/NMinhNguyen) in [#12496](https://github.com/facebook/react/pull/12496))
+
 ## 16.3.0 (March 29, 2018)
 
 ### React