diff --git a/CHANGELOG.md b/CHANGELOG.md
index ff14c20b..706d9d4a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## In-progress log 1.3.3-RC2
+
+* UPDATE: Sample ZIM updated to `wikipedia_en_100_maxi_2021-05.zim`
+* ENHANCEMENT: Pre-calculate position and size of article namespace in legacy ZIMs (speeds up binary search)
+* FIX: Hide jump in page position during article load in Service Worker mode
+* FIX: Adjusted timing of hiding and showing the article during page compositon
+
 ## Release 1.3.2
 
 * FEATURE: Open a new browsable tab or window with right-click, long-press, ctrl-click, middle-click
diff --git a/pwabuilder-sw.js b/pwabuilder-sw.js
index 0eec5ff9..7dcb235f 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 = '1.3.3-RC1';
+const appVersion = '1.3.3-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 cc0ea3fa..fb2d715e 100644
--- a/www/index.html
+++ b/www/index.html
@@ -114,18 +114,11 @@
                     </p>
                     <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><b>New feature:</b> Open new browsable tab or window with right-click, long-press or ctrl-click (not on mobile)</li>
-                            <li>Sample archive updated to wikipedia_en_100_maxi_2021-04</li>
-                            <li>Release Linux AppImage packages for Electron-based build</li>
-                            <li>Alt-left or Ctrl-left (and same for right key) can now be used for navigation</li>
-                            <li>Prevent flash between page loads by adapting empty screen to the selected theme color</li>
-                            <li>Fix crash on upgrade of ZIM archive in some contexts</li>
-                            <li>Fix subtitle display on videos</li>
-                            <li>Fix download of media and subtitles</li>
-                            <li>Fixed failure to apply dark theme to articles with no CSS</li>
-                            <li>Fixed bug affecting middle-click when opening a new window or tab</li>
-                            <li>Fixed bug where file selectors got hidden if the app could not handle a file</li>
+                        <ul style="padding-left: 15px;">
+                            <li>Sample ZIM updated to wikipedia_en_100_maxi_2021-05.zim</li>
+                            <li>Speed up article search by pre-calculating position of the article namespace</li>
+                            <li>Fix an ugly jump in page position during article load in Service Worker mode</li>
+                            <li>Adjusted timing of hiding and showing the article during page compositon</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>