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diff --git a/‎.idea/.gitignore
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+8
diff --git a/‎.idea/misc.xml
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+6
diff --git a/‎.idea/modules.xml
+8 b/‎.idea/modules.xml
+8
diff --git a/‎.idea/vcs.xml
+6 b/‎.idea/vcs.xml
+6
diff --git a/‎README.md
+15 b/‎README.md
+15
diff --git a/‎iframe.html
+14 b/‎iframe.html
+14
diff --git a/‎iframe.js
+23 b/‎iframe.js
+23
diff --git a/‎index.html
+15 b/‎index.html
+15
diff --git a/‎index.js
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diff --git a/‎package.json
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@@ -0,0 +1,15 @@
+# Redux DevTools Issue 1000
+
+https://github.com/reduxjs/redux-devtools/issues/1000
+
+To reproduce:
+- Make sure you've installed the redux devtools on your browser (chrome, brave, ...)
+- Fire up your webserver of choice on the root of this project directory (e.g. `python -m SimpleHTTPServer 8000`)
+  - If you serve from disk, the extension may not be enabled for the page
+- Go to the index.html
+- Open the Redux DevTools
+  - Notice there are 2 instances: "Top window" and "Iframe window"
+- Select the "Iframe window"
+- Dispatch an action from either frame using the "Dispatch action" that's on either page.
+- Notice the instance switcher changed back to "Top window"
+  - It is irrelevant where abouts the action came from, dispatching from top or iframe resets the instance switcher to look at the top window
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <meta charset="utf-8" />
+  <title>Dev tools issue # 1000</title>
+</head>
+<body>
+<h1>Iframe window</h1>
+<div>Count is: <span id="state"></span></div>
+<button onclick="increment()">Dispatch action</button>
+<script src="https://unpkg.com/[email protected]"></script>
+<script src="./iframe.js"></script>
+</body>
+</html>
@@ -0,0 +1,23 @@
+const { createStore } = window.Redux;
+
+function counterReducer(state = { value: 0 }, action) {
+  switch (action.type) {
+    case 'counter/incremented':
+      return { value: state.value + 1 }
+    case 'counter/decremented':
+      return { value: state.value - 1 }
+    default:
+      return state
+  }
+}
+
+let store = createStore(counterReducer, window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__({
+  name: 'Iframe window'
+})())
+
+let increment = () => store.dispatch({ type: 'counter/incremented' });
+let onAction = () => document.getElementById('state').innerText = store.getState().value;
+
+store.subscribe(onAction);
+
+onAction();
@@ -0,0 +1,15 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <meta charset="utf-8" />
+  <title>Dev tools issue # 1000</title>
+</head>
+<body>
+<h1>Top window</h1>
+<div>Count is: <span id="state"></span></div>
+<button onclick="increment()">Dispatch action</button>
+<iframe src="./iframe.html"></iframe>
+<script src="https://unpkg.com/[email protected]"></script>
+<script src="./index.js"></script>
+</body>
+</html>
@@ -0,0 +1,23 @@
+const { createStore } = window.Redux;
+
+function counterReducer(state = { value: 0 }, action) {
+  switch (action.type) {
+    case 'counter/incremented':
+      return { value: state.value + 1 }
+    case 'counter/decremented':
+      return { value: state.value - 1 }
+    default:
+      return state
+  }
+}
+
+let store = createStore(counterReducer, window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__({
+  name: 'Top window'
+})())
+
+let increment = () => store.dispatch({ type: 'counter/incremented' });
+let onAction = () => document.getElementById('state').innerText = store.getState().value;
+
+store.subscribe(onAction);
+
+onAction();
@@ -0,0 +1,7 @@
+{
+  "name": "redux-devtools-issue-1000",
+  "version": "1.0.0",
+  "main": "index.js",
+  "license": "MIT",
+  "dependencies": {}
+}