wp-includes/class-wp-editor.php:1525Force uncompressed TinyMCE when a custom theme has been defined.
public static function force_uncompressed_tinymce() { $has_custom_theme = false; foreach ( self::$mce_settings as $init ) { if ( ! empty( $init['theme_url'] ) ) { $has_custom_theme = true; break; } } if ( ! $has_custom_theme ) { return; } $wp_scripts = wp_scripts(); $wp_scripts->remove( 'wp-tinymce' ); wp_register_tinymce_scripts( $wp_scripts, true ); }Introduced in 5.0.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/class-wp-editor.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.