diff --git a/wp-includes/ms-settings.php b/wp-includes/ms-settings.php
index ab507ba017..1afa77adc4 100644
--- a/wp-includes/ms-settings.php
+++ b/wp-includes/ms-settings.php
@@ -104,3 +104,11 @@ if ( ! $current_blog instanceof WP_Site ) {
 
 // Define upload directory constants
 ms_upload_constants();
+
+/**
+ * Fires after the current site and network have been detected and loaded
+ * in multisite's bootstrap.
+ *
+ * @since 4.6.0
+ */
+do_action( 'ms_loaded' );
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 4aee09819f..68d51d2f95 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.6-alpha-37915';
+$wp_version = '4.6-alpha-37916';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.