diff --git a/source b/source
index 8515ea42b2b..1b302089224 100644
--- a/source
+++ b/source
@@ -11566,10 +11566,21 @@ partial interface <dfn id="document" data-lt="">Document</dfn> {
   the user agent must do nothing. Otherwise, if the <code>Document</code>'s <span
   data-x="concept-document-origin">origin</span> is an <span data-x="concept-origin-opaque">opaque
   origin</span>, the user agent must throw a <span>"<code>SecurityError</code>"</span>
-  <code>DOMException</code>. Otherwise, the user agent must act as it would when <span
-  data-x="receives a set-cookie-string">receiving a set-cookie-string</span> for the document's
-  <span data-x="concept-document-url">URL</span> via a "non-HTTP" API, consisting of the new value
-  <span data-x="utf-8 encode">encoded as UTF-8</span>. <ref>COOKIES</ref> <ref>ENCODING</ref></p>
+  <code>DOMException</code>. Otherwise:</p>
+
+  <ol>
+   <li>
+    <p>Set this <code>Document</code>'s <span>navigable</span>'s <span>navigation conditions potentially changed</span> to true.</p>
+    <p class="note">Other operations that could set cookies, such as the <a href="https://wicg.github.io/cookie-store/">Cookie Store API</a> or receiving a Set-Cookie header in a fetch response, also cause the <span>navigation conditions potentially changed</span> to be set to true.</p>
+   </li>
+
+   <li><p>The user agent must act as it would when <span
+   data-x="receives a set-cookie-string">receiving a set-cookie-string</span> for the document's
+   <span data-x="concept-document-url">URL</span> via a "non-HTTP" API, consisting of the new value
+   <span data-x="utf-8 encode">encoded as UTF-8</span>. <ref>COOKIES</ref> <ref>ENCODING</ref></p>
+  </li>
+
+  </ol>
   </div>
 
   <p class="note">Since the <code data-x="dom-document-cookie">cookie</code> attribute is accessible
@@ -103073,6 +103084,11 @@ interface <dfn interface>NotRestoredReasons</dfn> {
 
     <p class="note">This is only ever set to true in cases where the navigable's <span
     data-x="nav-parent">parent</span> is non-null.</p>
+   </li>
+
+   <li>
+    <p>A <dfn>navigation conditions potentially changed</dfn> boolean, initially false.</p>
+   </li>
   </ul>
 
   <p>The <span data-x="nav-current-history-entry">current session history entry</span> and the
@@ -106305,6 +106321,49 @@ location.href = '#foo';</code></pre>
     data-x="apply the traverse history step">traversing</span> are ignored.</p>
    </li>
 
+   <li>
+    <p>If <var>navigable</var>'s <span>ongoing navigation</span> is not null, and all of the following
+    are true:</p>
+
+    <ul>
+     <li>
+      <p>the time elapsed since the ongoing navigation was initiated is within a
+      user-agent-defined threshold;</p>
+     </li>
+     <li>
+      <p>both the new and ongoing navigations are HTTP GET requests, and the new navigation is not
+      a form submission;</p>
+     </li>
+     <li>
+      <p>the navigations have an identical <var>url</var>, <span
+      data-x="document-state-initiator-origin">initiator origin</span>, <span
+      data-x="document-state-request-referrer">referrer</span>, <span
+      data-x="document-state-request-referrer-policy">request referrer policy</span>,
+      <var>userInvolvement</var>, and <var>historyHandling</var>;</p>
+     </li>
+     <li>
+      <p>the <var>navigable</var>'s <span>navigation conditions potentially changed</span> is false,</p>
+     </li>
+    </ul>
+    <p>then:</p>
+
+    <ol>
+     <li>
+      <p>Invoke <span>WebDriver BiDi navigation failed</span> with <var>navigable</var> and a new
+      <span>WebDriver BiDi navigation status</span> whose <span
+      data-x="navigation-status-id">id</span> is <var>navigationId</var>, <span
+      data-x="navigation-status-status">status</span> is "<code
+      data-x="navigation-status-canceled">canceled</code>", and <span
+      data-x="navigation-status-url">url</span> is <var>url</var>.</p>
+     </li>
+     <li><p>Return.</p></li>
+    </ol>
+   </li>
+
+   <li>
+    <p>Set <span>navigable</span>'s <span>navigation conditions potentially changed</span> to false.</p>
+   </li>
+
    <li>
     <p><span>Set the ongoing navigation</span> for <var>navigable</var> to
     <var>navigationId</var>.</p>