diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
index a6366b71b..cf02275f7 100644
--- a/.github/workflows/continuous-integration.yml
+++ b/.github/workflows/continuous-integration.yml
@@ -21,6 +21,7 @@ jobs:
           - "8.1"
           - "8.2"
           - "8.3"
+          - "8.4"
         memcached-version:
           - "1.6"
 
diff --git a/README.md b/README.md
index 9cf3d95cc..645635cac 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ All the enhancements and BC breaks are listed in the [WHATS_NEW](https://github.
 
 - [DIC](https://github.com/FriendsOfSymfony1/symfony1/wiki/ServiceContainer)
 - Composer support
-- PHP 8.3 support
+- PHP 8.4 support
 - performance boost
 - new widgets & validators
 - some tickets fixed from the symfony trac
@@ -34,7 +34,7 @@ It runs on *nix and Windows platforms*.
 Requirements
 ------------
 
-PHP 5.3.4 and up. See prerequisites on https://symfony.com/legacy/doc/getting-started/1_4/en/02-Prerequisites
+PHP 7.4 and up. See prerequisites on https://symfony.com/legacy/doc/getting-started/1_4/en/02-Prerequisites
 
 Installation
 ------------
diff --git a/lib/log/sfWebDebugLogger.class.php b/lib/log/sfWebDebugLogger.class.php
index d61c97dba..fe1779dae 100644
--- a/lib/log/sfWebDebugLogger.class.php
+++ b/lib/log/sfWebDebugLogger.class.php
@@ -56,8 +56,7 @@ public function initialize(sfEventDispatcher $dispatcher, $options = [])
      * PHP error handler send PHP errors to log.
      *
      * PHP user space error handler can not handle E_ERROR, E_PARSE,
-     * E_CORE_ERROR, E_CORE_WARNING, E_COMPILE_ERROR, E_COMPILE_WARNING,
-     * and most of E_STRICT.
+     * E_CORE_ERROR, E_CORE_WARNING, E_COMPILE_ERROR and E_COMPILE_WARNING.
      *
      * @param string $errno      the level of the error raised, as an integer
      * @param string $errstr     the error message, as a string
@@ -76,11 +75,6 @@ public function handlePhpError($errno, $errstr, $errfile, $errline, $errcontext
         $message = sprintf(' %%s at %s on line %s (%s)', $errfile, $errline, str_replace('%', '%%', $errstr));
 
         switch ($errno) {
-            case E_STRICT:
-                $this->dispatcher->notify(new sfEvent($this, 'application.log', ['priority' => sfLogger::ERR, sprintf($message, 'Strict notice')]));
-
-                break;
-
             case E_NOTICE:
                 $this->dispatcher->notify(new sfEvent($this, 'application.log', ['priority' => sfLogger::NOTICE, sprintf($message, 'Notice')]));