diff --git a/wp-admin/includes/class-wp-filesystem-base.php b/wp-admin/includes/class-wp-filesystem-base.php
index aae09e8dfa..fbe8b3cc60 100644
--- a/wp-admin/includes/class-wp-filesystem-base.php
+++ b/wp-admin/includes/class-wp-filesystem-base.php
@@ -827,18 +827,28 @@ class WP_Filesystem_Base {
 	 * @param bool   $recursive      Optional. Whether to recursively include file details in nested directories.
 	 *                               Default false.
 	 * @return array|false {
-	 *     Array of files. False if unable to list directory contents.
+	 *     Array of arrays containing file information. False if unable to list directory contents.
 	 *
-	 *     @type string $name        Name of the file or directory.
-	 *     @type string $perms       *nix representation of permissions.
-	 *     @type string $permsn      Octal representation of permissions.
-	 *     @type string $owner       Owner name or ID.
-	 *     @type int    $size        Size of file in bytes.
-	 *     @type int    $lastmodunix Last modified unix timestamp.
-	 *     @type mixed  $lastmod     Last modified month (3 letter) and day (without leading 0).
-	 *     @type int    $time        Last modified time.
-	 *     @type string $type        Type of resource. 'f' for file, 'd' for directory.
-	 *     @type mixed  $files       If a directory and `$recursive` is true, contains another array of files.
+	 *     @type array $0... {
+	 *         Array of file information. Note that some elements may not be available on all filesystems.
+	 *
+	 *         @type string           $name        Name of the file or directory.
+	 *         @type string           $perms       *nix representation of permissions.
+	 *         @type string           $permsn      Octal representation of permissions.
+	 *         @type int|string|false $number      File number. May be a numeric string. False if not available.
+	 *         @type string|false     $owner       Owner name or ID, or false if not available.
+	 *         @type string|false     $group       File permissions group, or false if not available.
+	 *         @type int|string|false $size        Size of file in bytes. May be a numeric string.
+	 *                                             False if not available.
+	 *         @type int|string|false $lastmodunix Last modified unix timestamp. May be a numeric string.
+	 *                                             False if not available.
+	 *         @type string|false     $lastmod     Last modified month (3 letters) and day (without leading 0), or
+	 *                                             false if not available.
+	 *         @type string|false     $time        Last modified time, or false if not available.
+	 *         @type string           $type        Type of resource. 'f' for file, 'd' for directory, 'l' for link.
+	 *         @type array|false      $files       If a directory and `$recursive` is true, contains another array of
+	 *                                             files. False if unable to list directory contents.
+	 *     }
 	 * }
 	 */
 	public function dirlist( $path, $include_hidden = true, $recursive = false ) {
diff --git a/wp-admin/includes/class-wp-filesystem-direct.php b/wp-admin/includes/class-wp-filesystem-direct.php
index f201def08f..9fdfeb95cb 100644
--- a/wp-admin/includes/class-wp-filesystem-direct.php
+++ b/wp-admin/includes/class-wp-filesystem-direct.php
@@ -597,18 +597,28 @@ class WP_Filesystem_Direct extends WP_Filesystem_Base {
 	 * @param bool   $recursive      Optional. Whether to recursively include file details in nested directories.
 	 *                               Default false.
 	 * @return array|false {
-	 *     Array of files. False if unable to list directory contents.
+	 *     Array of arrays containing file information. False if unable to list directory contents.
 	 *
-	 *     @type string $name        Name of the file or directory.
-	 *     @type string $perms       *nix representation of permissions.
-	 *     @type string $permsn      Octal representation of permissions.
-	 *     @type string $owner       Owner name or ID.
-	 *     @type int    $size        Size of file in bytes.
-	 *     @type int    $lastmodunix Last modified unix timestamp.
-	 *     @type mixed  $lastmod     Last modified month (3 letter) and day (without leading 0).
-	 *     @type int    $time        Last modified time.
-	 *     @type string $type        Type of resource. 'f' for file, 'd' for directory.
-	 *     @type mixed  $files       If a directory and `$recursive` is true, contains another array of files.
+	 *     @type array $0... {
+	 *         Array of file information. Note that some elements may not be available on all filesystems.
+	 *
+	 *         @type string           $name        Name of the file or directory.
+	 *         @type string           $perms       *nix representation of permissions.
+	 *         @type string           $permsn      Octal representation of permissions.
+	 *         @type false            $number      File number. Always false in this context.
+	 *         @type string|false     $owner       Owner name or ID, or false if not available.
+	 *         @type string|false     $group       File permissions group, or false if not available.
+	 *         @type int|string|false $size        Size of file in bytes. May be a numeric string.
+	 *                                             False if not available.
+	 *         @type int|string|false $lastmodunix Last modified unix timestamp. May be a numeric string.
+	 *                                             False if not available.
+	 *         @type string|false     $lastmod     Last modified month (3 letters) and day (without leading 0), or
+	 *                                             false if not available.
+	 *         @type string|false     $time        Last modified time, or false if not available.
+	 *         @type string           $type        Type of resource. 'f' for file, 'd' for directory, 'l' for link.
+	 *         @type array|false      $files       If a directory and `$recursive` is true, contains another array of
+	 *                                             files. False if unable to list directory contents.
+	 *     }
 	 * }
 	 */
 	public function dirlist( $path, $include_hidden = true, $recursive = false ) {
diff --git a/wp-admin/includes/class-wp-filesystem-ftpext.php b/wp-admin/includes/class-wp-filesystem-ftpext.php
index 3ce8b67996..7db0685fc5 100644
--- a/wp-admin/includes/class-wp-filesystem-ftpext.php
+++ b/wp-admin/includes/class-wp-filesystem-ftpext.php
@@ -602,7 +602,24 @@ class WP_Filesystem_FTPext extends WP_Filesystem_Base {
 
 	/**
 	 * @param string $line
-	 * @return array
+	 * @return array {
+	 *     Array of file information.
+	 *
+	 *     @type string       $name        Name of the file or directory.
+	 *     @type string       $perms       *nix representation of permissions.
+	 *     @type string       $permsn      Octal representation of permissions.
+	 *     @type string|false $number      File number as a string, or false if not available.
+	 *     @type string|false $owner       Owner name or ID, or false if not available.
+	 *     @type string|false $group       File permissions group, or false if not available.
+	 *     @type string|false $size        Size of file in bytes as a string, or false if not available.
+	 *     @type string|false $lastmodunix Last modified unix timestamp as a string, or false if not available.
+	 *     @type string|false $lastmod     Last modified month (3 letters) and day (without leading 0), or
+	 *                                     false if not available.
+	 *     @type string|false $time        Last modified time, or false if not available.
+	 *     @type string       $type        Type of resource. 'f' for file, 'd' for directory, 'l' for link.
+	 *     @type array|false  $files       If a directory and `$recursive` is true, contains another array of files.
+	 *                                     False if unable to list directory contents.
+	 * }
 	 */
 	public function parselisting( $line ) {
 		static $is_windows = null;
@@ -712,18 +729,28 @@ class WP_Filesystem_FTPext extends WP_Filesystem_Base {
 	 * @param bool   $recursive      Optional. Whether to recursively include file details in nested directories.
 	 *                               Default false.
 	 * @return array|false {
-	 *     Array of files. False if unable to list directory contents.
+	 *     Array of arrays containing file information. False if unable to list directory contents.
 	 *
-	 *     @type string $name        Name of the file or directory.
-	 *     @type string $perms       *nix representation of permissions.
-	 *     @type string $permsn      Octal representation of permissions.
-	 *     @type string $owner       Owner name or ID.
-	 *     @type int    $size        Size of file in bytes.
-	 *     @type int    $lastmodunix Last modified unix timestamp.
-	 *     @type mixed  $lastmod     Last modified month (3 letter) and day (without leading 0).
-	 *     @type int    $time        Last modified time.
-	 *     @type string $type        Type of resource. 'f' for file, 'd' for directory.
-	 *     @type mixed  $files       If a directory and `$recursive` is true, contains another array of files.
+	 *     @type array $0... {
+	 *         Array of file information. Note that some elements may not be available on all filesystems.
+	 *
+	 *         @type string           $name        Name of the file or directory.
+	 *         @type string           $perms       *nix representation of permissions.
+	 *         @type string           $permsn      Octal representation of permissions.
+	 *         @type int|string|false $number      File number. May be a numeric string. False if not available.
+	 *         @type string|false     $owner       Owner name or ID, or false if not available.
+	 *         @type string|false     $group       File permissions group, or false if not available.
+	 *         @type int|string|false $size        Size of file in bytes. May be a numeric string.
+	 *                                             False if not available.
+	 *         @type int|string|false $lastmodunix Last modified unix timestamp. May be a numeric string.
+	 *                                             False if not available.
+	 *         @type string|false     $lastmod     Last modified month (3 letters) and day (without leading 0), or
+	 *                                             false if not available.
+	 *         @type string|false     $time        Last modified time, or false if not available.
+	 *         @type string           $type        Type of resource. 'f' for file, 'd' for directory, 'l' for link.
+	 *         @type array|false      $files       If a directory and `$recursive` is true, contains another array of
+	 *                                             files. False if unable to list directory contents.
+	 *     }
 	 * }
 	 */
 	public function dirlist( $path = '.', $include_hidden = true, $recursive = false ) {
diff --git a/wp-admin/includes/class-wp-filesystem-ftpsockets.php b/wp-admin/includes/class-wp-filesystem-ftpsockets.php
index da578d0f2e..c69d8012ca 100644
--- a/wp-admin/includes/class-wp-filesystem-ftpsockets.php
+++ b/wp-admin/includes/class-wp-filesystem-ftpsockets.php
@@ -623,18 +623,28 @@ class WP_Filesystem_ftpsockets extends WP_Filesystem_Base {
 	 * @param bool   $recursive      Optional. Whether to recursively include file details in nested directories.
 	 *                               Default false.
 	 * @return array|false {
-	 *     Array of files. False if unable to list directory contents.
+	 *     Array of arrays containing file information. False if unable to list directory contents.
 	 *
-	 *     @type string $name        Name of the file or directory.
-	 *     @type string $perms       *nix representation of permissions.
-	 *     @type string $permsn      Octal representation of permissions.
-	 *     @type string $owner       Owner name or ID.
-	 *     @type int    $size        Size of file in bytes.
-	 *     @type int    $lastmodunix Last modified unix timestamp.
-	 *     @type mixed  $lastmod     Last modified month (3 letter) and day (without leading 0).
-	 *     @type int    $time        Last modified time.
-	 *     @type string $type        Type of resource. 'f' for file, 'd' for directory.
-	 *     @type mixed  $files       If a directory and `$recursive` is true, contains another array of files.
+	 *     @type array $0... {
+	 *         Array of file information. Note that some elements may not be available on all filesystems.
+	 *
+	 *         @type string           $name        Name of the file or directory.
+	 *         @type string           $perms       *nix representation of permissions.
+	 *         @type string           $permsn      Octal representation of permissions.
+	 *         @type int|string|false $number      File number. May be a numeric string. False if not available.
+	 *         @type string|false     $owner       Owner name or ID, or false if not available.
+	 *         @type string|false     $group       File permissions group, or false if not available.
+	 *         @type int|string|false $size        Size of file in bytes. May be a numeric string.
+	 *                                             False if not available.
+	 *         @type int|string|false $lastmodunix Last modified unix timestamp. May be a numeric string.
+	 *                                             False if not available.
+	 *         @type string|false     $lastmod     Last modified month (3 letters) and day (without leading 0), or
+	 *                                             false if not available.
+	 *         @type string|false     $time        Last modified time, or false if not available.
+	 *         @type string           $type        Type of resource. 'f' for file, 'd' for directory, 'l' for link.
+	 *         @type array|false      $files       If a directory and `$recursive` is true, contains another array of
+	 *                                             files. False if unable to list directory contents.
+	 *     }
 	 * }
 	 */
 	public function dirlist( $path = '.', $include_hidden = true, $recursive = false ) {
diff --git a/wp-admin/includes/class-wp-filesystem-ssh2.php b/wp-admin/includes/class-wp-filesystem-ssh2.php
index 80fb81b971..2b3edf1adc 100644
--- a/wp-admin/includes/class-wp-filesystem-ssh2.php
+++ b/wp-admin/includes/class-wp-filesystem-ssh2.php
@@ -741,18 +741,28 @@ class WP_Filesystem_SSH2 extends WP_Filesystem_Base {
 	 * @param bool   $recursive      Optional. Whether to recursively include file details in nested directories.
 	 *                               Default false.
 	 * @return array|false {
-	 *     Array of files. False if unable to list directory contents.
+	 *     Array of arrays containing file information. False if unable to list directory contents.
 	 *
-	 *     @type string $name        Name of the file or directory.
-	 *     @type string $perms       *nix representation of permissions.
-	 *     @type string $permsn      Octal representation of permissions.
-	 *     @type string $owner       Owner name or ID.
-	 *     @type int    $size        Size of file in bytes.
-	 *     @type int    $lastmodunix Last modified unix timestamp.
-	 *     @type mixed  $lastmod     Last modified month (3 letter) and day (without leading 0).
-	 *     @type int    $time        Last modified time.
-	 *     @type string $type        Type of resource. 'f' for file, 'd' for directory.
-	 *     @type mixed  $files       If a directory and `$recursive` is true, contains another array of files.
+	 *     @type array $0... {
+	 *         Array of file information. Note that some elements may not be available on all filesystems.
+	 *
+	 *         @type string           $name        Name of the file or directory.
+	 *         @type string           $perms       *nix representation of permissions.
+	 *         @type string           $permsn      Octal representation of permissions.
+	 *         @type false            $number      File number. Always false in this context.
+	 *         @type string|false     $owner       Owner name or ID, or false if not available.
+	 *         @type string|false     $group       File permissions group, or false if not available.
+	 *         @type int|string|false $size        Size of file in bytes. May be a numeric string.
+	 *                                             False if not available.
+	 *         @type int|string|false $lastmodunix Last modified unix timestamp. May be a numeric string.
+	 *                                             False if not available.
+	 *         @type string|false     $lastmod     Last modified month (3 letters) and day (without leading 0), or
+	 *                                             false if not available.
+	 *         @type string|false     $time        Last modified time, or false if not available.
+	 *         @type string           $type        Type of resource. 'f' for file, 'd' for directory, 'l' for link.
+	 *         @type array|false      $files       If a directory and `$recursive` is true, contains another array of
+	 *                                             files. False if unable to list directory contents.
+	 *     }
 	 * }
 	 */
 	public function dirlist( $path, $include_hidden = true, $recursive = false ) {
diff --git a/wp-includes/version.php b/wp-includes/version.php
index e2091affb3..3123adc9ee 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.3-alpha-55713';
+$wp_version = '6.3-alpha-55714';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.