diff --git a/ChangeLog-8.php b/ChangeLog-8.php
index 74ee4b626..0d8a93a6f 100644
--- a/ChangeLog-8.php
+++ b/ChangeLog-8.php
@@ -9,6 +9,61 @@ changelog_header(8, $MINOR_VERSIONS);
 
 <a id="PHP_8_5"></a>
 
+<section class="version" id="8.5.4"><!-- {{{ 8.5.4 -->
+<h3>Version 8.5.4</h3>
+<b><?php release_date('12-Mar-2026'); ?></b>
+<ul><li>Core:
+<ul>
+  <li>Fixed bug <?php githubissuel('php/php-src', 21029); ?> (zend_mm_heap corrupted on Aarch64, LTO builds).</li>
+  <li>Fixed bug <?php githubissuel('php/php-src', 21059); ?> (Segfault when preloading constant AST closure).</li>
+  <li>Fixed bug <?php githubissuel('php/php-src', 21072); ?> (Crash on (unset) cast in constant expression).</li>
+  <li>Fix deprecation now showing when accessing null key of an array with JIT.</li>
+  <li>Fixed bug <?php githubissuel('php/php-src', 20657); ?> (Assertion failure in zend_lazy_object_get_info triggered by setRawValueWithoutLazyInitialization() and newLazyGhost()).</li>
+  <li>Fixed bug <?php githubissuel('php/php-src', 20504); ?> (Assertion failure in zend_get_property_guard when accessing properties on Reflection LazyProxy via isset()).</li>
+  <li>Fixed OSS-Fuzz #478009707 (Borked assign-op/inc/dec on untyped hooked property backing value).</li>
+  <li>Fixed bug <?php githubissuel('php/php-src', 21215); ?> (Build fails with -std=).</li>
+  <li>Fixed bug <?php githubissuel('php/php-src', 13674); ?> (Build system installs libtool wrappers when using slibtool).</li>
+</ul></li>
+<li>Curl:
+<ul>
+  <li>Don't truncate length.</li>
+</ul></li>
+<li>Date:
+<ul>
+  <li>Fixed bug <?php githubissuel('php/php-src', 20936); ?> (DatePeriod::__set_state() cannot handle null start).</li>
+  <li>Fix timezone offset with seconds losing precision.</li>
+</ul></li>
+<li>DOM:
+<ul>
+  <li>Fixed bug <?php githubissuel('php/php-src', 21077); ?> (Accessing Dom\Node::baseURI can throw TypeError).</li>
+  <li>Fixed bug <?php githubissuel('php/php-src', 21097); ?> (Accessing Dom\Node properties can can throw TypeError).</li>
+</ul></li>
+<li>LDAP:
+<ul>
+  <li>Fixed bug <?php githubissuel('php/php-src', 21262); ?> (ldap_modify() too strict controls argument validation makes it impossible to unset attribute).</li>
+</ul></li>
+<li>MBString:
+<ul>
+  <li>Fixed bug <?php githubissuel('php/php-src', 21223); ?>; mb_guess_encoding no longer crashes when passed huge list of candidate encodings (with 200,000+ entries).</li>
+</ul></li>
+<li>Opcache:
+<ul>
+  <li>Fixed bug <?php githubissuel('php/php-src', 20718); ?> ("Insufficient shared memory" when using JIT on Solaris).</li>
+  <li>Fixed bug <?php githubissuel('php/php-src', 21227); ?> (Borked SCCP of array containing partial object).</li>
+</ul></li>
+<li>OpenSSL:
+<ul>
+  <li>Fix a bunch of leaks and error propagation.</li>
+</ul></li>
+<li>Windows:
+<ul>
+  <li>Fixed compilation with clang (missing intrin.h include).</li>
+</ul></li>
+</ul>
+<!-- }}} --></section>
+
+
+
 <section class="version" id="8.5.3"><!-- {{{ 8.5.3 -->
 <h3>Version 8.5.3</h3>
 <b><?php release_date('12-Feb-2026'); ?></b>
diff --git a/archive/archive.xml b/archive/archive.xml
index 0a99184d9..5482b79e4 100644
--- a/archive/archive.xml
+++ b/archive/archive.xml
@@ -9,6 +9,7 @@
     <uri>http://php.net/contact</uri>
     <email>php-webmaster@lists.php.net</email>
   </author>
+  <xi:include href="entries/2026-03-12-2.xml"/>
   <xi:include href="entries/2026-03-12-1.xml"/>
   <xi:include href="entries/2026-02-12-2.xml"/>
   <xi:include href="entries/2026-02-12-1.xml"/>
diff --git a/archive/entries/2026-03-12-2.xml b/archive/entries/2026-03-12-2.xml
new file mode 100644
index 000000000..cf6008603
--- /dev/null
+++ b/archive/entries/2026-03-12-2.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<entry xmlns="http://www.w3.org/2005/Atom">
+  <title>PHP 8.5.4 Released!</title>
+  <id>https://www.php.net/archive/2026.php#2026-03-12-2</id>
+  <published>2026-03-12T19:11:52+00:00</published>
+  <updated>2026-03-12T19:11:52+00:00</updated>
+  <link href="https://www.php.net/index.php#2026-03-12-2" rel="alternate" type="text/html"/>
+  <link href="https://www.php.net/archive/2026.php#2026-03-12-2" rel="via" type="text/html"/>
+  <category term="releases" label="New PHP release"/>
+  <category term="frontpage" label="PHP.net frontpage news"/>
+  <content type="xhtml">
+    <div xmlns="http://www.w3.org/1999/xhtml"><p>The PHP development team announces the immediate availability of PHP 8.5.4. This is a bug fix release.</p>
+
+<p>All PHP 8.5 users are encouraged to upgrade to this version.</p>
+
+<p>For source downloads of PHP 8.5.4 please visit our <a href="https://www.php.net/downloads.php">downloads page</a>,
+Windows source and binaries can also be found <a href="https://www.php.net/downloads.php?os=windows&amp;version=8.5">there</a>.
+The list of changes is recorded in the <a href="https://www.php.net/ChangeLog-8.php#8.5.4">ChangeLog</a>.
+</p>    </div>
+  </content>
+</entry>
diff --git a/include/release-qa.php b/include/release-qa.php
index 90841022c..64f20e494 100644
--- a/include/release-qa.php
+++ b/include/release-qa.php
@@ -88,10 +88,10 @@ $QA_RELEASES = [
         'active'  => true,
         'release' => [
             'type'       => 'RC',
-            'number'     => 1,
-            'sha256_bz2' => '75e8dc8e6c44ba3448ab3ce7b1b49b8e9d383b4aa3aa9c3c0f8d76a2101f98f1',
-            'sha256_gz'  => '33681975c07c5f135c350663b842bf90872eb4b1b7261d6b8b3df019985e0d36',
-            'sha256_xz'  => '1919770134558df7eda8e439304cb8107cffe86e7d794f6ead60b6be8424a98b',
+            'number'     => 0,
+            'sha256_bz2' => '',
+            'sha256_gz'  => '',
+            'sha256_xz'  => '',
             'date'       => '26 Feb 2026',
             'baseurl'    => 'https://downloads.php.net/~daniels/',
         ],
diff --git a/include/releases.inc b/include/releases.inc
index f729df67e..2b74cc6c0 100644
--- a/include/releases.inc
+++ b/include/releases.inc
@@ -2,6 +2,42 @@
 $OLDRELEASES = array (
   8 => 
   array (
+    '8.5.3' => 
+    array (
+      'announcement' => 
+      array (
+        'English' => '/releases/8_5_3.php',
+      ),
+      'tags' => 
+      array (
+      ),
+      'date' => '12 Feb 2026',
+      'source' => 
+      array (
+        0 => 
+        array (
+          'filename' => 'php-8.5.3.tar.gz',
+          'name' => 'PHP 8.5.3 (tar.gz)',
+          'sha256' => '402654d99b4beda602d4daec4f1cd39aafdacf5923e3e947da87392826660146',
+          'date' => '12 Feb 2026',
+        ),
+        1 => 
+        array (
+          'filename' => 'php-8.5.3.tar.bz2',
+          'name' => 'PHP 8.5.3 (tar.bz2)',
+          'sha256' => 'fc5ecabc183ceb64d9fca3dcd387bd29b2b67448326af998fde003124916823b',
+          'date' => '12 Feb 2026',
+        ),
+        2 => 
+        array (
+          'filename' => 'php-8.5.3.tar.xz',
+          'name' => 'PHP 8.5.3 (tar.xz)',
+          'sha256' => 'ce65725b8af07356b69a6046d21487040b11f2acfde786de38b2bfb712c36eb9',
+          'date' => '12 Feb 2026',
+        ),
+      ),
+      'museum' => false,
+    ),
     '8.4.18' => 
     array (
       'announcement' => 
diff --git a/include/version.inc b/include/version.inc
index 614619874..832f9b7cc 100644
--- a/include/version.inc
+++ b/include/version.inc
@@ -20,15 +20,15 @@ $RELEASES = (function () {
 
     /* PHP 8.5 Release */
     $data['8.5'] = [
-        'version' => '8.5.3',
-        'date' => '12 Feb 2026',
+        'version' => '8.5.4',
+        'date' => '12 Mar 2026',
         'tags' => [], // Set to ['security'] for security releases.
         'sha256' => [
             // WARNING: Order of SHA256 entries here is DIFFERENT from the
             // order in the manifest
-            'tar.gz' => '402654d99b4beda602d4daec4f1cd39aafdacf5923e3e947da87392826660146',
-            'tar.bz2' => 'fc5ecabc183ceb64d9fca3dcd387bd29b2b67448326af998fde003124916823b',
-            'tar.xz' => 'ce65725b8af07356b69a6046d21487040b11f2acfde786de38b2bfb712c36eb9',
+            'tar.gz' => '4fef7f44eff3c18e329504cb0d3eb30b41cf54e2db05cb4ebe8b78fc37d38ce1',
+            'tar.bz2' => '2ac929a29a6b7ef4b8acec981a417b91bdf7f548f597df665cc56ab9ea95fc75',
+            'tar.xz' => 'c1569f1f543f6b025c583cdc0e730e5c5833c603618613f1aa8e75d1524b8c91',
         ]
     ];
 
diff --git a/releases/8_5_4.php b/releases/8_5_4.php
new file mode 100644
index 000000000..37742318f
--- /dev/null
+++ b/releases/8_5_4.php
@@ -0,0 +1,16 @@
+<?php
+$_SERVER['BASE_PAGE'] = 'releases/8_5_4.php';
+include_once __DIR__ . '/../include/prepend.inc';
+site_header('PHP 8.5.4 Release Announcement');
+?>
+<h1>PHP 8.5.4 Release Announcement</h1>
+
+<p>The PHP development team announces the immediate availability of PHP 8.5.4. This is a bug fix release.</p>
+
+<p>All PHP 8.5 users are encouraged to upgrade to this version.</p>
+
+<p>For source downloads of PHP 8.5.4 please visit our <a href="https://www.php.net/downloads.php">downloads page</a>,
+Windows source and binaries can also be found <a href="https://www.php.net/downloads.php?os=windows&amp;version=8.5">there</a>.
+The list of changes is recorded in the <a href="https://www.php.net/ChangeLog-8.php#8.5.4">ChangeLog</a>.
+</p>
+<?php site_footer();