diff --git a/index.js b/index.js
index ba8dacb..43e1b13 100644
--- a/index.js
+++ b/index.js
@@ -8,6 +8,8 @@ const DEFAULT_TAB = "about:newtab";
 const SHOW_MENU_TIMEOUT = 100;
 const HIDE_MENU_TIMEOUT = 300;
 
+const MAJOR_VERSIONS = ["2.2.1"];
+
 const INCOMPATIBLE_ADDON_IDS = [
   "pulse@mozilla.com",
   "snoozetabs@mozilla.com",
@@ -256,6 +258,9 @@ const ContainerService = {
 
     webExtension.startup().then(api => {
       api.browser.runtime.onMessage.addListener((message, sender, sendReply) => {
+        if (message.method === "checkForMajorUpgrade") {
+          sendReply(reason === "upgrade" && MAJOR_VERSIONS.indexOf(self.version) > -1);
+        }
         if ("method" in message && methods.indexOf(message.method) !== -1) {
           sendReply(this[message.method](message));
         }
diff --git a/webextension/background.js b/webextension/background.js
index a3eac44..4f547c5 100644
--- a/webextension/background.js
+++ b/webextension/background.js
@@ -467,6 +467,13 @@ browser.runtime.sendMessage({
   }
 }).catch(() => {});
 
+browser.runtime.sendMessage({method: "checkForMajorUpgrade"}).then(upgrading=> {
+  if (upgrading) {
+    browser.browserAction.setBadgeBackgroundColor({color: "rgba(0,217,0,255)"});
+    browser.browserAction.setBadgeText({text: "NEW"});
+  }
+}).catch((e) => { throw e;});
+
 function disableAddon(tabId) {
   browser.browserAction.disable(tabId);
   browser.browserAction.setTitle({ tabId, title: "Containers disabled in Private Browsing Mode" });
diff --git a/webextension/img/onboarding-4.png b/webextension/img/onboarding-4.png
new file mode 100644
index 0000000..96e5068
Binary files /dev/null and b/webextension/img/onboarding-4.png differ
diff --git a/webextension/js/popup.js b/webextension/js/popup.js
index 71a123f..c079c09 100644
--- a/webextension/js/popup.js
+++ b/webextension/js/popup.js
@@ -64,6 +64,10 @@ const Logic = {
   _panels: {},
 
   init() {
+    // Remove browserAction "upgraded" badge when opening panel
+    browser.browserAction.setBadgeBackgroundColor({color: ""});
+    browser.browserAction.setBadgeText({text: ""});
+
     // Retrieve the list of identities.
     this.refreshIdentities()
 
diff --git a/webextension/popup.html b/webextension/popup.html
index 5264b11..26c00ce 100644
--- a/webextension/popup.html
+++ b/webextension/popup.html
@@ -32,8 +32,8 @@
 
   <div class="panel onboarding onboarding-panel-4 hide" id="onboarding-panel-4">
     <img class="onboarding-img" alt="How to assign sites to containers" src="/img/onboarding-4.png" />
-    <h3 class="onboarding-title">Assign your favorite sites to containers..</h3>
-    <p>Assign your favorite sites to automatically open in containers.</p>
+    <h3 class="onboarding-title">Always open sites in the containers you want.</h3>
+    <p>Right-click inside a container tab to assign the site to always open in the container.</p>
     <a href="#" id="onboarding-done-button" class="onboarding-button">Done</a>
   </div>