diff --git a/CHANGELOG.md b/CHANGELOG.md
index a9aafe88..98e9139b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,10 +1,11 @@
 # Changelog
 
-## Release 1.1.0 (in progress)
+## Release 1.1.1
 
 * UPDATE: Included ZIM updated to `wikipedia_en_100_maxi_2020-11.zim`
 * UPDATE: WebP support (via polyfill) for older browsers including Windows Mobile
 * ENHANCEMENT: Improved block cache and faster conversion of file slice to blob
+* REGRESSION: Manual extraction of images reverted to one-by-one to prevent errors with WebP batch decoding
 * FIX: Prevent erroneous display of Active Content Warning with ZSTD archives
 * FIX: Reduce some cross-origin errors
 
diff --git a/www/index.html b/www/index.html
index b7a5dafb..8cfebed3 100644
--- a/www/index.html
+++ b/www/index.html
@@ -112,7 +112,12 @@
                     <div id="update" class="update">
                         <h3 style="margin-top:0;">Changes in version <span class="version">1.0</span></h3>
                         <ul style="padding-left: 15px;">
-                            <li>Changelog pending...</li>
+                            <li>Included ZIM updated to wikipedia_en_100_maxi_2020-11.zim</li>
+                            <li>WebP image support (via polyfill) for older browsers including Windows Mobile</li>
+                            <li>Improved block cache and faster conversion of file slice to blob</li>
+                            <li>Manual extraction of images reverted to one-by-one</li>
+                            <li>Prevent erroneous display of Active Content Warning with ZSTD archives</li>
+                            <li>Reduce some cross-origin errors</li>
                         </ul>
                         <p><a href="https://github.com/kiwix/kiwix-js-windows/blob/master/CHANGELOG.md" target="_blank">Full changelog...<img src="I/s/Icon_External_Link.png"></a></p>
                     </div>
diff --git a/www/js/init.js b/www/js/init.js
index 336d4972..3705d83b 100644
--- a/www/js/init.js
+++ b/www/js/init.js
@@ -49,10 +49,10 @@ var params = {};
  */
 var appstate = {};
 
-params['version'] = "1.1.0-dev"; //DEV: Manually update this version when there is a new release: it is compared to the cookie "version" in order to show first-time info, and the cookie is updated in app.js
+params['version'] = "1.1.1"; //DEV: Manually update this version when there is a new release: it is compared to the cookie "version" in order to show first-time info, and the cookie is updated in app.js
 params['packagedFile'] = "wikipedia_en_100_maxi.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)  
-params['fileVersion'] = "wikipedia_en_100_maxi_2020-08.zim (21-Aug-2020)"; //Use generic name for actual file, and give version here
+params['fileVersion'] = "wikipedia_en_100_maxi_2020-11.zim (6-Nov-2020)"; //Use generic name for actual file, and give version here
 params['cachedStartPage'] = false; //If you have cached the start page for quick start, give its URI here
 params['kiwixDownloadLink'] = "https://download.kiwix.org/zim/"; //Include final slash