diff --git a/Reflection/ReflectionProperty.php b/Reflection/ReflectionProperty.php
index 1a6b787be..6a91deac0 100644
--- a/Reflection/ReflectionProperty.php
+++ b/Reflection/ReflectionProperty.php
@@ -20,6 +20,10 @@ class ReflectionProperty implements Reflector
      */
     public const IS_ABSTRACT = 64;
 
+    /**
+     * @since 8.4
+     */
+    public const IS_VIRTUAL = 512;
     /**
      * @var string Name of the property, same as calling the {@see ReflectionProperty::getName()} method
      */
diff --git a/curl/curl_d.php b/curl/curl_d.php
index 5493de1ca..1a514b2ae 100644
--- a/curl/curl_d.php
+++ b/curl/curl_d.php
@@ -4396,3 +4396,7 @@
  * @since 8.4
  */
 define('CURLINFO_SSL_DATA_IN', 1);
+/**
+ * @since 8.4
+ */
+define('CURLINFO_POSTTRANSFER_TIME_T', 6291523);