diff --git a/pwabuilder-sw.js b/pwabuilder-sw.js
index f4c788fb..7d94cbdd 100644
--- a/pwabuilder-sw.js
+++ b/pwabuilder-sw.js
@@ -4,7 +4,7 @@
 // App version number - ENSURE IT MATCHES VALUE IN init.js
 // DEV: Changing this will cause the browser to recognize that the Service Worker has changed, and it will download and
 // install a new copy
-const appVersion = '1.4.3-rc1';
+const appVersion = '1.4.3-rc2';
 
 // Kiwix ZIM Archive Download Server in regex form
 // DEV: The server URL is defined in init.js, but is not available to us in SW
diff --git a/www/index.html b/www/index.html
index babde31a..ae1dd91f 100644
--- a/www/index.html
+++ b/www/index.html
@@ -47,15 +47,7 @@
     <script type="text/javascript">
         // This script is needed to retrieve launch arguments when the app is started by double-clicking on a file
         var launchArguments = null;
-        if ('launchQueue' in window) {
-            launchQueue.setConsumer(function (launchParams) {
-                // Nothing to do when the queue is empty.
-                if (!launchParams.files.length) {
-                    return;
-                }
-                launchArguments = launchParams;
-            });
-        } else if (typeof Windows !== 'undefined' && Windows.UI && Windows.UI.WebUI && Windows.UI.WebUI.WebUIApplication) {
+        if (typeof Windows !== 'undefined' && Windows.UI && Windows.UI.WebUI && Windows.UI.WebUI.WebUIApplication) {
             Windows.UI.WebUI.WebUIApplication.addEventListener('activated', function (eventArgs) {
                 if (eventArgs.kind === Windows.ApplicationModel.Activation.ActivationKind.file) {
                     console.log("App was activated with a file: " + eventArgs.files[0].name);
diff --git a/www/js/app.js b/www/js/app.js
index 6d109437..62d5c97a 100644
--- a/www/js/app.js
+++ b/www/js/app.js
@@ -1895,6 +1895,17 @@ define(['jquery', 'zimArchiveLoader', 'uiUtil', 'util', 'cache', 'images', 'sett
             }
         }
 
+        if ('launchQueue' in window) {
+            launchQueue.setConsumer(function (launchParams) {
+                // Nothing to do when the queue is empty.
+                if (!launchParams.files.length) {
+                    return;
+                }
+                // User launched app by double-clicking on file
+                processNativeFileHandle(launchParams.files[0]);
+            });
+        } 
+
         // @STORAGE AUTOLOAD STARTS HERE
         if ($.isFunction(navigator.getDeviceStorages)) {
             // The method getDeviceStorages is available (FxOS>=1.1)
diff --git a/www/js/init.js b/www/js/init.js
index c9113bc6..af94b5e5 100644
--- a/www/js/init.js
+++ b/www/js/init.js
@@ -49,7 +49,7 @@ var params = {};
  */
 var appstate = {};
 /******** UPDATE VERSION IN pwabuilder-sw.js TO MATCH VERSION AND CHECK PWASERVER BELOW!!!!!!! *******/
-params['version'] = "1.4.3-rc1"; //DEV: Manually update this version when there is a new release: it is compared to the Settings Store "version" in order to show first-time info, and the cookie is updated in app.js
+params['version'] = "1.4.3-rc2"; //DEV: Manually update this version when there is a new release: it is compared to the Settings Store "version" in order to show first-time info, and the cookie is updated in app.js
 /******* UPDATE THIS ^^^^^^ IN service worker AND PWA-SERVER BELOW !! ********************/
 params['packagedFile'] = getSetting('packagedFile') || "wikipedia_en_100_maxi_2021-05.zim"; //For packaged Kiwix JS (e.g. with Wikivoyage file), set this to the filename (for split files, give the first chunk *.zimaa) and place file(s) in default storage
 params['archivePath'] = "archives"; //The directory containing the packaged archive(s) (relative to app's root directory)