Update

Author: Dp-Goog

index.html

@@ -1792,6 +1792,13 @@ <h3>
             `name_localized`.
             </li>
           </ol>
+          <p>
+            An icon is considered as changed for an update only if the
+            <a href="https://www.w3.org/TR/image-resource/#dfn-src">src</a>
+            corresponding to it in the [=manifest image resource=] has changed.
+            This matches the `Cache-Control:Immutable` behavior, as
+            described in [[RFC8246]].
+          </p>
           <p>
             [=Security-sensitive members=] SHOULD be displayed in a
             bidirectionally isolated way as described in [[UTS55]], regardless
@@ -1831,6 +1838,8 @@ <h3>
               </li>
               <li>Uninstall the web app
               </li>
+              <li>Ignore the update
+              </li>
             </ol>
           </aside>
         </section>