Title: 4.7.4 | Developer.WordPress.org

---

# New and updated in 4.7.4

Functions

Hooks

Classes

Methods

 * hook[theme_scandir_exclusions](https://developer.wordpress.org/reference/hooks/theme_scandir_exclusions/)
 * Filters the array of excluded directories and files while scanning theme folder.
 * Used by [1 function](https://developer.wordpress.org/reference/hooks/theme_scandir_exclusions/#used-by)
   | Uses [0 functions](https://developer.wordpress.org/reference/hooks/theme_scandir_exclusions/#uses)
   | Source: [wp-includes/class-wp-theme.php:1488](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/class-wp-theme.php#L1488-L1488)
 * function[clean_site_details_cache()](https://developer.wordpress.org/reference/functions/clean_site_details_cache/)
 * Cleans the site details cache for a site.
 * Used by [0 functions](https://developer.wordpress.org/reference/functions/clean_site_details_cache/#used-by)
   | Uses [2 functions](https://developer.wordpress.org/reference/functions/clean_site_details_cache/#uses)
   | Source: [wp-includes/ms-blogs.php:330](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/ms-blogs.php#L330-L338)
 * hook[media_library_show_audio_playlist](https://developer.wordpress.org/reference/hooks/media_library_show_audio_playlist/)
 * Allows showing or hiding the “Create Audio Playlist” button in the media library.
 * Used by [1 function](https://developer.wordpress.org/reference/hooks/media_library_show_audio_playlist/#used-by)
   | Uses [0 functions](https://developer.wordpress.org/reference/hooks/media_library_show_audio_playlist/#uses)
   | Source: [wp-includes/media.php:4830](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/media.php#L4830-L4830)
 * hook[media_library_show_video_playlist](https://developer.wordpress.org/reference/hooks/media_library_show_video_playlist/)
 * Allows showing or hiding the “Create Video Playlist” button in the media library.
 * Used by [1 function](https://developer.wordpress.org/reference/hooks/media_library_show_video_playlist/#used-by)
   | Uses [0 functions](https://developer.wordpress.org/reference/hooks/media_library_show_video_playlist/#uses)
   | Source: [wp-includes/media.php:4858](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/media.php#L4858-L4858)
 * hook[media_library_months_with_files](https://developer.wordpress.org/reference/hooks/media_library_months_with_files/)
 * Allows overriding the list of months displayed in the media library.
 * Used by [1 function](https://developer.wordpress.org/reference/hooks/media_library_months_with_files/#used-by)
   | Uses [0 functions](https://developer.wordpress.org/reference/hooks/media_library_months_with_files/#uses)
   | Source: [wp-includes/media.php:4884](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/media.php#L4884-L4884)
 * hook[send_auth_cookies](https://developer.wordpress.org/reference/hooks/send_auth_cookies/)
 * Allows preventing auth cookies from actually being sent to the client.
 * Used by [2 functions](https://developer.wordpress.org/reference/hooks/send_auth_cookies/#used-by)
   | Uses [0 functions](https://developer.wordpress.org/reference/hooks/send_auth_cookies/#uses)
   | Source: [wp-includes/pluggable.php:1189](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/pluggable.php#L1189-L1189)