Lower react peer dependency to ^16.8.3

Author: jeremy-deutsch

README.md

@@ -11,7 +11,7 @@ Performant and flexible.
 
 ## Installation
 
-React Redux requires **React 16.8.4 or later.**
+React Redux requires **React 16.8.3 or later.**
 
 ```
 npm install --save react-redux

package.json

@@ -36,7 +36,7 @@
     "coverage": "codecov"
   },
   "peerDependencies": {
-    "react": "^16.8.4",
+    "react": "^16.8.3",
     "redux": "^2.0.0 || ^3.0.0 || ^4.0.0-0"
   },
   "dependencies": {

website/versioned_docs/version-7.x/introduction/quick-start.md

@@ -12,7 +12,7 @@ original_id: quick-start
 
 ## Installation
 
-React Redux 7.x requires **React 16.8.4 or later.**
+React Redux 7.x requires **React 16.8.3 or later.**
 
 To use React Redux with your React app: