diff --git a/wp-includes/random_compat/random.php b/wp-includes/random_compat/random.php
index 6b28d4672e..d1f7555afa 100644
--- a/wp-includes/random_compat/random.php
+++ b/wp-includes/random_compat/random.php
@@ -110,8 +110,8 @@ if (PHP_VERSION_ID < 70000) {
                     DIRECTORY_SEPARATOR === '/' &&
                     PHP_VERSION_ID >= 50300
                 ) ||
-                // Windows with PHP >= 5.3.4
-                PHP_VERSION_ID >= 50401 // Modification from upstream, see #34409
+                // Windows with PHP >= 5.4.1
+                PHP_VERSION_ID >= 50401
             )
         ) {
             // See random_bytes_openssl.php
diff --git a/wp-includes/random_compat/random_bytes_com_dotnet.php b/wp-includes/random_compat/random_bytes_com_dotnet.php
index c0ae639a8d..0a781f4efa 100644
--- a/wp-includes/random_compat/random_bytes_com_dotnet.php
+++ b/wp-includes/random_compat/random_bytes_com_dotnet.php
@@ -72,6 +72,6 @@ function random_bytes($bytes)
      * If we reach here, PHP has failed us.
      */
     throw new Exception(
-        'PHP failed to generate random data.'
+        'Could not gather sufficient random data'
     );
 }
diff --git a/wp-includes/random_compat/random_bytes_dev_urandom.php b/wp-includes/random_compat/random_bytes_dev_urandom.php
index 5606dbbec9..aebcafcf7d 100644
--- a/wp-includes/random_compat/random_bytes_dev_urandom.php
+++ b/wp-includes/random_compat/random_bytes_dev_urandom.php
@@ -132,6 +132,6 @@ function random_bytes($bytes)
      * If we reach here, PHP has failed us.
      */
     throw new Exception(
-        'PHP failed to generate random data.'
+        'Error reading from source device'
     );
 }
diff --git a/wp-includes/random_compat/random_bytes_libsodium.php b/wp-includes/random_compat/random_bytes_libsodium.php
index 796ba6a626..938cac9290 100644
--- a/wp-includes/random_compat/random_bytes_libsodium.php
+++ b/wp-includes/random_compat/random_bytes_libsodium.php
@@ -79,6 +79,6 @@ function random_bytes($bytes)
      * If we reach here, PHP has failed us.
      */
     throw new Exception(
-        'PHP failed to generate random data.'
+        'Could not gather sufficient random data'
     );
 }
diff --git a/wp-includes/random_compat/random_bytes_mcrypt.php b/wp-includes/random_compat/random_bytes_mcrypt.php
index 8524c52245..5a1b688f60 100644
--- a/wp-includes/random_compat/random_bytes_mcrypt.php
+++ b/wp-includes/random_compat/random_bytes_mcrypt.php
@@ -67,6 +67,6 @@ function random_bytes($bytes)
      * If we reach here, PHP has failed us.
      */
     throw new Exception(
-        'PHP failed to generate random data.'
+        'Could not gather sufficient random data'
     );
 }
diff --git a/wp-includes/random_compat/random_bytes_openssl.php b/wp-includes/random_compat/random_bytes_openssl.php
index db05e1fe3c..3e12d3da59 100644
--- a/wp-includes/random_compat/random_bytes_openssl.php
+++ b/wp-includes/random_compat/random_bytes_openssl.php
@@ -71,6 +71,6 @@ function random_bytes($bytes)
      * If we reach here, PHP has failed us.
      */
     throw new Exception(
-        'PHP failed to generate random data.'
+        'Could not gather sufficient random data'
     );
 }
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 2158192eb8..c6c4f71abf 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.4-beta3-35599';
+$wp_version = '4.4-beta3-35600';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.