diff --git a/wp-admin/includes/class-wp-upgrader.php b/wp-admin/includes/class-wp-upgrader.php
index 0956223808..4f5151206b 100644
--- a/wp-admin/includes/class-wp-upgrader.php
+++ b/wp-admin/includes/class-wp-upgrader.php
@@ -546,6 +546,25 @@ class WP_Upgrader {
 
 		$options = wp_parse_args( $options, $defaults );
 
+		/**
+		 * Filter the package options before running an update.
+		 *
+		 * @since 4.3.0
+		 *
+		 * @param array $options {
+		 *     Options used by the upgrader.
+		 *
+		 *     @type string $package                     Package for update.
+		 *     @type string $destination                 Update location.
+		 *     @type bool   $clear_destination           Clear the destination resource.
+		 *     @type bool   $clear_working               Clear the working resource.
+		 *     @type bool   $abort_if_destination_exists Abort if the Destination directory exists.
+		 *     @type bool   $is_multi                    Whether the upgrader is running multiple times.
+		 *     @type array  $hook_extra                  Extra hook arguments.
+		 * }
+		 */
+		$options = apply_filters( 'upgrader_package_options', $options );
+
 		if ( ! $options['is_multi'] ) { // call $this->header separately if running multiple times
 			$this->skin->header();
 		}
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 7a0f4b298f..819500c3ca 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.3-alpha-32782';
+$wp_version = '4.3-alpha-32783';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.