wp-admin/includes/class-wp-media-list-table.php:179array protected function get_bulk_actions() { $actions = array(); if ( MEDIA_TRASH ) { if ( $this->is_trash ) { $actions['untrash'] = __( 'Restore' ); $actions['delete'] = __( 'Delete permanently' ); } else { $actions['trash'] = __( 'Move to Trash' ); } } else { $actions['delete'] = __( 'Delete permanently' ); } if ( $this->detached ) { $actions['attach'] = __( 'Attach' ); } return $actions; }One change between 6.7.7 and 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
array to array<string,.verified against sourcesrc/wp-admin/includes/class-wp-media-list-table.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.