diff --git a/reference/spl/splfixedarray/setsize.xml b/reference/spl/splfixedarray/setsize.xml
index 52dcfb88e6a2..6231e29fd3bc 100644
--- a/reference/spl/splfixedarray/setsize.xml
+++ b/reference/spl/splfixedarray/setsize.xml
@@ -9,7 +9,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis role="SplFixedArray">
-   <modifier>public</modifier> <type>bool</type><methodname>SplFixedArray::setSize</methodname>
+   <modifier>public</modifier> <type>true</type><methodname>SplFixedArray::setSize</methodname>
    <methodparam><type>int</type><parameter>size</parameter></methodparam>
   </methodsynopsis>
   <para>
@@ -35,26 +35,45 @@
    </variablelist>
   </para>
  </refsect1>
- 
+
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
-  <para>
-   &return.success;
-  </para>
+  <simpara>
+   &return.true.always;
+  </simpara>
  </refsect1>
- 
- 
- <refsect1 role="errors"><!-- {{{ -->
+
+ <refsect1 role="errors">
   &reftitle.errors;
-  <para>
-   Throws <classname>InvalidArgumentException</classname> when <parameter>size</parameter> is less than zero.
-  </para>
-  <para>
-   Raises <constant>E_WARNING</constant> when <parameter>size</parameter> cannot be used as a number.
-  </para> 
- </refsect1><!-- }}} -->
- 
- 
+  <simpara>
+   Throws <exceptionname>ValueError</exceptionname> when
+   <parameter>size</parameter> is less than zero.
+  </simpara>
+ </refsect1>
+
+ <refsect1 role="changelog">
+  &reftitle.changelog;
+  <informaltable>
+   <tgroup cols="2">
+    <thead>
+     <row>
+      <entry>&Version;</entry>
+      <entry>&Description;</entry>
+     </row>
+    </thead>
+    <tbody>
+     <row>
+      <entry>8.4.0</entry>
+      <entry>
+       <methodname>SplFixedArray::setSize</methodname>
+       now has a tentative return of <type>true</type>.
+      </entry>
+     </row>
+    </tbody>
+   </tgroup>
+  </informaltable>
+ </refsect1>
+
  <refsect1 role="examples">
   &reftitle.examples;
   <para>
diff --git a/reference/spl/splfixedarray/wakeup.xml b/reference/spl/splfixedarray/wakeup.xml
index 1af3575860b6..e90d9c38ef77 100644
--- a/reference/spl/splfixedarray/wakeup.xml
+++ b/reference/spl/splfixedarray/wakeup.xml
@@ -6,6 +6,10 @@
   <refpurpose>Reinitialises the array after being unserialised</refpurpose>
  </refnamediv>
 
+ <refsynopsisdiv>
+  &warn.deprecated.function-8-4-0;
+ </refsynopsisdiv>
+
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis role="SplFixedArray">
@@ -28,6 +32,30 @@
    &return.void;
   </para>
  </refsect1>
+
+ <refsect1 role="changelog">
+  &reftitle.changelog;
+  <informaltable>
+   <tgroup cols="2">
+    <thead>
+     <row>
+      <entry>&Version;</entry>
+      <entry>&Description;</entry>
+     </row>
+    </thead>
+    <tbody>
+     <row>
+      <entry>8.4.0</entry>
+      <entry>
+       This method is now deprecated, use
+       <methodname>SplFixedArray::__unserialize</methodname>
+       instead.
+      </entry>
+     </row>
+    </tbody>
+   </tgroup>
+  </informaltable>
+ </refsect1>
 </refentry>
 <!-- Keep this comment at the end of the file
 Local variables:
diff --git a/reference/spl/splheap/insert.xml b/reference/spl/splheap/insert.xml
index 1ea107608e0c..07523b8c721b 100644
--- a/reference/spl/splheap/insert.xml
+++ b/reference/spl/splheap/insert.xml
@@ -41,6 +41,29 @@
   </para>
  </refsect1>
 
+ <refsect1 role="changelog">
+  &reftitle.changelog;
+  <informaltable>
+   <tgroup cols="2">
+    <thead>
+     <row>
+      <entry>&Version;</entry>
+      <entry>&Description;</entry>
+     </row>
+    </thead>
+    <tbody>
+     <row>
+      <entry>8.4.0</entry>
+      <entry>
+       <methodname>SplHeap::insert</methodname>
+       now has a tentative return of <type>true</type>.
+      </entry>
+     </row>
+    </tbody>
+   </tgroup>
+  </informaltable>
+ </refsect1>
+
 </refentry>
 <!-- Keep this comment at the end of the file
 Local variables:
diff --git a/reference/spl/splheap/recoverfromcorruption.xml b/reference/spl/splheap/recoverfromcorruption.xml
index e1d33e908c97..1c2775b81fcf 100644
--- a/reference/spl/splheap/recoverfromcorruption.xml
+++ b/reference/spl/splheap/recoverfromcorruption.xml
@@ -9,7 +9,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis role="SplHeap">
-   <modifier>public</modifier> <type>bool</type><methodname>SplHeap::recoverFromCorruption</methodname>
+   <modifier>public</modifier> <type>true</type><methodname>SplHeap::recoverFromCorruption</methodname>
    <void/>
   </methodsynopsis>
  </refsect1>
@@ -21,9 +21,32 @@
 
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
-  <para>
-   Always returns &true;.
-  </para>
+  <simpara>
+   &return.true.always;
+  </simpara>
+ </refsect1>
+
+ <refsect1 role="changelog">
+  &reftitle.changelog;
+  <informaltable>
+   <tgroup cols="2">
+    <thead>
+     <row>
+      <entry>&Version;</entry>
+      <entry>&Description;</entry>
+     </row>
+    </thead>
+    <tbody>
+     <row>
+      <entry>8.4.0</entry>
+      <entry>
+       <methodname>SplHeap::recoverFromCorruption</methodname>
+       now has a tentative return of <type>true</type>.
+      </entry>
+     </row>
+    </tbody>
+   </tgroup>
+  </informaltable>
  </refsect1>
 
 </refentry>
diff --git a/reference/spl/splobjectstorage.xml b/reference/spl/splobjectstorage.xml
index b7bc530d22b6..114347374f58 100644
--- a/reference/spl/splobjectstorage.xml
+++ b/reference/spl/splobjectstorage.xml
@@ -33,7 +33,7 @@
     </oointerface>
 
     <oointerface>
-     <interfacename>Iterator</interfacename>
+     <interfacename>SeekableIterator</interfacename>
     </oointerface>
 
     <oointerface>
@@ -135,6 +135,29 @@ array(3) {
   </section>
 <!-- }}} -->
 
+  <section role="changelog">
+   &reftitle.changelog;
+   <informaltable>
+    <tgroup cols="2">
+     <thead>
+      <row>
+       <entry>&Version;</entry>
+       <entry>&Description;</entry>
+      </row>
+     </thead>
+     <tbody>
+      <row>
+       <entry>8.4.0</entry>
+       <entry>
+        Implement <interfacename>SeekableIterator</interfacename>, previously
+        only <interfacename>Iterator</interfacename> was implemented.
+       </entry>
+      </row>
+     </tbody>
+    </tgroup>
+   </informaltable>
+  </section>
+
  </partintro>
 
  &reference.spl.entities.splobjectstorage;
diff --git a/reference/spl/splpriorityqueue/insert.xml b/reference/spl/splpriorityqueue/insert.xml
index 0b79b0e4c1e9..f58d55a997f2 100644
--- a/reference/spl/splpriorityqueue/insert.xml
+++ b/reference/spl/splpriorityqueue/insert.xml
@@ -50,6 +50,29 @@
   </para>
  </refsect1>
 
+ <refsect1 role="changelog">
+  &reftitle.changelog;
+  <informaltable>
+   <tgroup cols="2">
+    <thead>
+     <row>
+      <entry>&Version;</entry>
+      <entry>&Description;</entry>
+     </row>
+    </thead>
+    <tbody>
+     <row>
+      <entry>8.4.0</entry>
+      <entry>
+       <methodname>SplPriorityQueue::insert</methodname>
+       now has a tentative return of <type>true</type>.
+      </entry>
+     </row>
+    </tbody>
+   </tgroup>
+  </informaltable>
+ </refsect1>
+
 </refentry>
 <!-- Keep this comment at the end of the file
 Local variables:
diff --git a/reference/spl/splpriorityqueue/recoverfromcorruption.xml b/reference/spl/splpriorityqueue/recoverfromcorruption.xml
index 0e98941ac274..1c064b4c5286 100644
--- a/reference/spl/splpriorityqueue/recoverfromcorruption.xml
+++ b/reference/spl/splpriorityqueue/recoverfromcorruption.xml
@@ -9,7 +9,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis role="SplPriorityQueue">
-   <modifier>public</modifier> <type>bool</type><methodname>SplPriorityQueue::recoverFromCorruption</methodname>
+   <modifier>public</modifier> <type>true</type><methodname>SplPriorityQueue::recoverFromCorruption</methodname>
    <void/>
   </methodsynopsis>
  </refsect1>
@@ -21,9 +21,32 @@
 
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
-  <para>
-   Always returns &true;.
-  </para>
+  <simpara>
+   &return.true.always;
+  </simpara>
+ </refsect1>
+
+ <refsect1 role="changelog">
+  &reftitle.changelog;
+  <informaltable>
+   <tgroup cols="2">
+    <thead>
+     <row>
+      <entry>&Version;</entry>
+      <entry>&Description;</entry>
+     </row>
+    </thead>
+    <tbody>
+     <row>
+      <entry>8.4.0</entry>
+      <entry>
+       <methodname>SplPriorityQueue::recoverFromCorruption</methodname>
+       now has a tentative return of <type>true</type>.
+      </entry>
+     </row>
+    </tbody>
+   </tgroup>
+  </informaltable>
  </refsect1>
 
 </refentry>
diff --git a/reference/spl/versions.xml b/reference/spl/versions.xml
index 9468a4f10848..eb50024d9cdc 100644
--- a/reference/spl/versions.xml
+++ b/reference/spl/versions.xml
@@ -935,7 +935,7 @@
  <function name="splfixedarray::__construct" from="PHP 5 &gt;= 5.3.0, PHP 7, PHP 8"/>
  <function name="splfixedarray::__serialize" from="PHP 8 &gt;= 8.2.0"/>
  <function name="splfixedarray::__unserialize" from="PHP 8 &gt;= 8.2.0"/>
- <function name="splfixedarray::__wakeup" from="PHP 5 &gt;= 5.5.0, PHP 7, PHP 8"/>
+ <function name="splfixedarray::__wakeup" from="PHP 5 &gt;= 5.5.0, PHP 7, PHP 8" deprecated="PHP 8 &gt;= 8.4.0"/>
  <function name="splfixedarray::count" from="PHP 5 &gt;= 5.3.0, PHP 7, PHP 8"/>
  <function name="splfixedarray::toarray" from="PHP 5 &gt;= 5.3.0, PHP 7, PHP 8"/>
  <function name="splfixedarray::fromarray" from="PHP 5 &gt;= 5.3.0, PHP 7, PHP 8"/>