diff --git a/wp-admin/includes/file.php b/wp-admin/includes/file.php
index 3ead3d98cd..6ef2aed553 100644
--- a/wp-admin/includes/file.php
+++ b/wp-admin/includes/file.php
@@ -127,13 +127,16 @@ function get_home_path() {
  *
  * @since 2.6.0
  * @since 4.9.0 Added the `$exclusions` parameter.
+ * @since 6.3.0 Added the `$include_hidden` parameter.
  *
- * @param string   $folder     Optional. Full path to folder. Default empty.
- * @param int      $levels     Optional. Levels of folders to follow, Default 100 (PHP Loop limit).
- * @param string[] $exclusions Optional. List of folders and files to skip.
+ * @param string   $folder         Optional. Full path to folder. Default empty.
+ * @param int      $levels         Optional. Levels of folders to follow, Default 100 (PHP Loop limit).
+ * @param string[] $exclusions     Optional. List of folders and files to skip.
+ * @param bool     $include_hidden Optional. Whether to include details of hidden ("." prefixed) files.
+ *                                 Default false.
  * @return string[]|false Array of files on success, false on failure.
  */
-function list_files( $folder = '', $levels = 100, $exclusions = array() ) {
+function list_files( $folder = '', $levels = 100, $exclusions = array(), $include_hidden = false ) {
 	if ( empty( $folder ) ) {
 		return false;
 	}
@@ -156,12 +159,12 @@ function list_files( $folder = '', $levels = 100, $exclusions = array() ) {
 			}
 
 			// Skip hidden and excluded files.
-			if ( '.' === $file[0] || in_array( $file, $exclusions, true ) ) {
+			if ( ( ! $include_hidden && '.' === $file[0] ) || in_array( $file, $exclusions, true ) ) {
 				continue;
 			}
 
 			if ( is_dir( $folder . $file ) ) {
-				$files2 = list_files( $folder . $file, $levels - 1 );
+				$files2 = list_files( $folder . $file, $levels - 1, array(), $include_hidden );
 				if ( $files2 ) {
 					$files = array_merge( $files, $files2 );
 				} else {
diff --git a/wp-includes/version.php b/wp-includes/version.php
index c0e1e28d52..cb75e41512 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.3-alpha-56068';
+$wp_version = '6.3-alpha-56069';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.