wp-includes/deprecated.php:4544Filter the SQL clauses of an attachment query to include filenames.
$clausesarrayarrayfunction _filter_query_attachment_filenames( $clauses ) { _deprecated_function( __FUNCTION__, '6.0.3', 'add_filter( "wp_allow_query_attachment_by_filename", "__return_true" )' ); remove_filter( 'posts_clauses', __FUNCTION__ ); return $clauses;}Introduced in 4.7.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/deprecated.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.