diff --git a/reference/soap/soapclient.xml b/reference/soap/soapclient.xml
index 335535c97d0b..629a870a1358 100644
--- a/reference/soap/soapclient.xml
+++ b/reference/soap/soapclient.xml
@@ -72,7 +72,7 @@
     </fieldsynopsis>
     <fieldsynopsis>
      <modifier>private</modifier>
-     <type class="union"><type>resource</type><type>null</type></type>
+     <type class="union"><type>array</type><type>null</type></type>
      <varname linkend="soapclient.props.typemap">typemap</varname>
      <initializer>null</initializer>
     </fieldsynopsis>
@@ -487,8 +487,14 @@
     <varlistentry xml:id="soapclient.props.typemap">
      <term><varname>typemap</varname></term>
      <listitem>
-      <para>
-      </para>
+      <simpara>
+       An array of type mappings used for custom XML-to-PHP type conversions,
+       or &null; if no type mappings are configured.
+       As of PHP 8.4.0, this property is of type <type>array</type>;
+       previously it was of type <type>resource</type>.
+       Code using <function>is_resource</function> to check this property
+       must be updated accordingly.
+      </simpara>
      </listitem>
     </varlistentry>
     <varlistentry xml:id="soapclient.props.uri">
diff --git a/reference/soap/soapclient/construct.xml b/reference/soap/soapclient/construct.xml
index 7159111fb0f3..6b03cbd5871c 100644
--- a/reference/soap/soapclient/construct.xml
+++ b/reference/soap/soapclient/construct.xml
@@ -368,6 +368,13 @@
            <link linkend="object.get">__get()</link> methods for individual
            properties will be.
           </para>
+          <simpara>
+           As of PHP 8.4.0, keys may also be specified using Clark notation,
+           in the form <literal>{namespace}type</literal>, to map a type from a
+           specific XML namespace, for example
+           <literal>'{http://example.com}foo'</literal>. This is useful when
+           the same type name is defined in more than one namespace.
+          </simpara>
          </listitem>
         </varlistentry>
         <varlistentry xml:id="soapclient.construct.options.typemap">
diff --git a/reference/soap/soapserver/construct.xml b/reference/soap/soapserver/construct.xml
index 48d799889a1d..0884ea9ae02f 100644
--- a/reference/soap/soapserver/construct.xml
+++ b/reference/soap/soapserver/construct.xml
@@ -41,11 +41,15 @@
        internal character encoding (<literal>encoding</literal>),
        and actor URI (<literal>actor</literal>).
       </para>
-      <para>
+      <simpara>
        The <literal>classmap</literal> option can be used to map some WSDL
        types to PHP classes. This option must be an array with WSDL types
        as keys and names of PHP classes as values.
-      </para>
+       As of PHP 8.4.0, keys may also be specified using Clark notation,
+       in the form <literal>{namespace}type</literal>, to map a type from a
+       specific XML namespace, for example
+       <literal>'{http://example.com}foo'</literal>.
+      </simpara>
       <para>
        The <literal>typemap</literal> option is an array of type mappings.
        Type mapping is an array with keys <literal>type_name</literal>,
diff --git a/reference/soap/soapserver/setpersistence.xml b/reference/soap/soapserver/setpersistence.xml
index 0b257ccd4dba..14ea81b58430 100644
--- a/reference/soap/soapserver/setpersistence.xml
+++ b/reference/soap/soapserver/setpersistence.xml
@@ -64,7 +64,33 @@
    &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>
+       <constant>SOAP_PERSISTENCE_SESSION</constant> now works when the session
+       extension is built as a shared module; previously it failed silently.
+       <methodname>SoapServer::setPersistence</methodname> now also throws an
+       <exceptionname>Error</exceptionname> when <constant>SOAP_PERSISTENCE_SESSION</constant>
+       is requested while the session extension is not available.
+      </entry>
+     </row>
+    </tbody>
+   </tgroup>
+  </informaltable>
+ </refsect1>
+
  <refsect1 role="examples">
   &reftitle.examples;
   <para>
diff --git a/reference/soap/soapvar/construct.xml b/reference/soap/soapvar/construct.xml
index e021bcee7355..3ab6989a1e28 100644
--- a/reference/soap/soapvar/construct.xml
+++ b/reference/soap/soapvar/construct.xml
@@ -89,6 +89,15 @@
      </row>
     </thead>
     <tbody>
+     <row>
+      <entry>8.4.0</entry>
+      <entry>
+       An instance of <classname>DateTimeInterface</classname> used as the
+       value for an <literal>xsd:dateTime</literal> element, or a similar date
+       and time type, is now serialized to its ISO 8601 representation, instead
+       of being serialized as an empty string.
+      </entry>
+     </row>
      <row>
       <entry>8.0.3</entry>
       <entry>