diff --git a/source b/source
index ef1bff95b27..a95c1a035d0 100644
--- a/source
+++ b/source
@@ -4876,6 +4876,10 @@ a.setAttribute('href', 'https://example.com/'); // change the content attribute
     data-x="">cross-origin-isolated</code></dfn>", which has a <span
     data-x="concept-default-allowlist">default allowlist</span> of <code
     data-x="">'self'</code>.</li>
+    <li>"<dfn data-x="focus-without-user-activation-feature"><code
+    data-x="">focus-without-user-activation</code></dfn>", which has a <span
+    data-x="concept-default-allowlist">default allowlist</span> of <code
+    data-x="">'self'</code>.</li>
   </ul>
 
 
@@ -61520,6 +61524,9 @@ interface <dfn interface>HTMLDialogElement</dfn> : <span>HTMLElement</span> {
   are as follows:</p>
 
   <ol>
+   <li><p>If the <span>allow focus steps</span> given <var>subject</var>'s <span>node
+   document</span> return false, then return.</p></li>
+
    <li><p>Let <var>control</var> be null.</p></li>
 
    <li><p>If <var>subject</var> has the <code data-x="attr-fe-autofocus">autofocus</code>
@@ -80532,6 +80539,9 @@ dictionary <dfn dictionary>ToggleEventInit</dfn> : <span>EventInit</span> {
 
    <li><p>If <var>current</var> is null, then return.</p></li>
 
+   <li><p>If the <span>allow focus steps</span> given <var>current</var>'s <span
+   data-x="nav-document">active document</span> return false, then return.</p></li>
+
    <li><p>Run the <span>focusing steps</span> with <var>current</var>.</p></li>
 
    <li><p>If <var>current</var> is a <span>top-level traversable</span>, user agents are encouraged
@@ -80551,6 +80561,9 @@ dictionary <dfn dictionary>ToggleEventInit</dfn> : <span>EventInit</span> {
   method on elements, when invoked, must run the following steps:</p>
 
   <ol>
+   <li><p>If the <span>allow focus steps</span> given the element's <span>node document</span>
+   return false, then return.</p></li>
+
    <li><p>If the element is marked as <i data-x="locked for focus">locked for focus</i>, then return.</p></li>
 
    <li><p>Mark the element as <dfn>locked for focus</dfn>.</p></li>
@@ -80580,6 +80593,31 @@ dictionary <dfn dictionary>ToggleEventInit</dfn> : <span>EventInit</span> {
   keyboard users. Ignoring calls to this method would thus allow keyboard users to interact with the
   page.</p>
 
+  <p>The <dfn export>allow focus steps</dfn>, given a <code>Document</code> object <var>target</var>,
+  are as follows:</p>
+
+  <ol>
+   <li><p>If <var>target</var> is <span>allowed to use</span> the "<code
+   data-x="focus-without-user-activation-feature">focus-without-user-activation</code>" feature,
+   then return true.</p></li>
+
+   <li>
+    <p>If any of the following are true:</p>
+
+    <ul>
+     <li><p><var>target</var>'s <span>relevant global object</span> has <span data-x="transient
+     activation">transient user activation</span>; or</p></li>
+
+     <li><p><var>target</var>'s <span>node navigable</span>'s <span data-x="nav-container">container</span>,
+     if any, is marked as <i data-x="locked for focus">locked for focus</i>,</p></li>
+    </ul>
+
+    <p>then return true.</p>
+   </li>
+
+   <li><p>Return false.</p></li>
+  </ol>
+
   </div>
 
 
@@ -80657,6 +80695,9 @@ dictionary <dfn dictionary>ToggleEventInit</dfn> : <span>EventInit</span> {
    <li><p>If <var>target</var>'s <span>active sandboxing flag set</span> has the
    <span>sandboxed automatic features browsing context flag</span>, then return.</p></li>
 
+   <li><p>If the <span>allow focus steps</span> given <var>target</var> return false, then
+   return.</p></li>
+
    <li><p><span data-x="list iterate">For each</span> <var>ancestorNavigable</var> of
    <var>target</var>'s <span>ancestor navigables</span>: if <var>ancestorNavigable</var>'s <span
    data-x="nav-document">active document</span>'s <span
@@ -85718,6 +85759,9 @@ dictionary <dfn dictionary>DragEventInit</dfn> : <span>MouseEventInit</span> {
   element</span> <var>subject</var>:</p>
 
   <ol>
+   <li><p>If the <span>allow focus steps</span> given <var>subject</var>'s <span>node
+   document</span> return false, then return.</p></li>
+
    <li><p>If <var>subject</var> is a <code>dialog</code> element, then run the <span>dialog focusing
    steps</span> given <var>subject</var> and return.</p></li>
 
@@ -144394,6 +144438,7 @@ INSERT INTERFACES HERE
   Edward Welbourne,
   Edward Z. Yang,
   Ehsan Akhgari,
+  Ehsan Karamad,
   Eira Monstad,
   Eitan Adler,
   Eli Friedman,
@@ -145032,6 +145077,7 @@ INSERT INTERFACES HERE
   Yu Han, <!-- yuzhe-han on GitHub -->
   Simon Spiegel,
   Simon Wülker, <!-- Wuelle on GitHub -->
+  Siye Liu,
   skeww, <!-- on reddit -->
   Smylers,
   Srirama Chandra Sekhar Mogali,