diff --git a/errata/21.html b/errata/21.html
index 0335ead4d0..9f26f77ef7 100644
--- a/errata/21.html
+++ b/errata/21.html
@@ -48,7 +48,78 @@ <h3>Substantive Errata</h3>
       </section>
       <section id="editorial-{{ trDate }}">
         <h3>Editorial Errata</h3>
-        <p>No editorial errata have been recorded at present.</p>
+        <ul>
+          <li>
+            2025-06-03:
+            Correcting the alphabetical order of two definitions
+            ({% gh "#4256" %})
+          </li>
+          <li>
+            2025-06-03:
+            Amend the definition of motion animation to _not_ exclude blurring
+            ({% gh "#4040" %})
+          </li>
+          <li>
+            2025-06-03:
+            In the Introduction, link directly to new supplemental guidance
+            ({% gh "#2296" %})
+          </li>
+          <li>
+            2025-06-03:
+            Removed period incorrectly appearing at the end of the definition for single pointer
+            ({% gh "#2296" %})
+          </li>           
+        </ul>
+      </section>
+    </section>
+
+{%- assign trDate = "2024-12-12" -%}
+    {%- capture trUrl -%}
+      https://www.w3.org/TR/{{ trDate | split: "-" | first }}/REC-WCAG{{ page.fileSlug }}-{{ trDate | replace: "-", "" }}/
+    {%- endcapture -%}
+    <section id="since-{{ trDate }}">
+      <h2>Errata since <a href="{{ trUrl }}">{{ trDate | date: "%d %B %Y" }} Publication</a></h2>
+      <section id="substantive-{{ trDate }}">
+        <h3>Substantive Errata</h3>
+        <p>No substantive errata have been recorded at present.</p>
+      </section>
+      <section id="editorial-{{ trDate }}">
+        <h3>Editorial Errata</h3>
+        <ul>
+          <li>
+            2024-11-19:
+            Making editorial changes to improve consistent use of the terms
+            "success criteria/criterion", "web", "website", and "web page"
+            ({% gh "#4080" %})
+          </li>
+          <li>
+            2024-11-19:
+            In the definition for <a href="{{ trUrl }}#dfn-single-pointer">single pointer</a>,
+            updating to further enumerate interaction types and distinguish input modalities.
+            ({% gh "#4070" %}, {% gh "#3536" %})
+          </li>
+          <li>
+            2024-11-19:
+            In <a href="{{ trUrl }}#input-purposes">7. Input Purposes for User Interface Components</a>,
+            correcting the word <span lang="fr">"dissement"</span> to <span lang="fr">"arrondissement"</span>.
+            ({% gh "#4034" %})
+          </li>
+          <li>
+            2024-11-19:
+            In <a href="{{ trUrl }}#abstract">Abstract</a>, modifying language regarding devices.
+            ({% gh "#3776" %})
+          </li>
+          <li>
+            2024-11-19:
+            In the definition for <a href="{{ trUrl }}#dfn-used-in-an-unusual-or-restricted-way">used in an unusual or restricted way</a>,
+            genericizing WCAG version reference from "2.1" to "2".
+            ({% gh "#3707" %})
+          </li>
+          <li>
+            2024-11-19:
+            Making editorial changes to improve consistent use of definitions in the success criteria ({% gh "#3038" %})
+          </li>
+        </ul>
       </section>
     </section>
     
diff --git a/errata/22.html b/errata/22.html
index 3cfbe2f4bd..9416928d78 100644
--- a/errata/22.html
+++ b/errata/22.html
@@ -48,7 +48,33 @@ <h3>Substantive Errata</h3>
       </section>
       <section id="editorial-{{ trDate }}">
         <h3>Editorial Errata</h3>
-        <p>No editorial errata recorded at present.</p>
+        <ul>
+          <li>
+            2025-06-03:
+            Correcting the alphabetical order of two definitions
+            ({% gh "#4256" %})
+          </li>
+          <li>
+            2025-06-03:
+            Amend the definition of motion animation to _not_ exclude blurring
+            ({% gh "#4040" %})
+          </li>
+          <li>
+            2025-06-03:
+            Harmonise all occurrences of "breakpoint" to be one word
+            ({% gh "#4165" %})
+          </li>
+          <li>
+            2025-06-03:
+            In the Introduction, link directly to new supplemental guidance
+            ({% gh "#2296" %})
+          </li>
+          <li>
+            2025-06-03:
+            Removed periods incorrectly appearing at the end two definitions
+            ({% gh "#2296" %})
+          </li>          
+        </ul>
       </section>
     </section>