Documentation: Update changelog

public/documentation/changelog.html

@@ -19,7 +19,7 @@
 <div class="version" aria-label="2.0">
     <a id="2.0"></a>
 
-    <h1>Chamilo 2.0 - ?,  ??/??/2024</h1>
+    <h1>Chamilo 2.0 - [release name],  2024-mm-dd</h1>
     <h3>Release notes - summary</h3>
     <p>Chamilo 2.0 is a major release that starts a new branch for the Chamilo software.
     It is based on Chamilo 1.11.10, but includes tons of backend changes that will make
@@ -45,7 +45,7 @@
     <h3>Notable new Features</h3>.
     <h4>For end-users</h4>
     <ul aria-live="off">
-        <li></li>
+        <li>Messages: Messaging can now be made to several people at once from the messages interface (and replies can be made to the same users).</li>
     </ul>
     <h4>For teachers/trainers</h4>
     <ul aria-live="off">
@@ -57,15 +57,17 @@
     </ul>
     <h4>For developers or sysadmins</h4>
     <ul aria-live="off">
-        <li></li>
+        <li>Messages: Message attachment are no longer replicated the number of times they are received (for example through an announcement). This saves considerable space on large portals.</li>
     </ul>
 
     <h3>General improvements (including major features, minor features and patches)</h3>
     <ul aria-live="off">
+        <li></li>
     </ul>
 
     <h3>Stylesheets and theming changes</h3>
     <ul aria-live="off">
+        <li></li>
     </ul>
 
     <h3>Web services changes</h3>