Deploying version 6.4.0.1

Author: lgladdy

acf.php

@@ -9,7 +9,7 @@
  * Plugin Name:       Advanced Custom Fields
  * Plugin URI:        https://www.advancedcustomfields.com
  * Description:       Customize WordPress with powerful, professional and intuitive fields.
- * Version:           6.4.0
+ * Version:           6.4.0.1
  * Author:            WP Engine
  * Author URI:        https://wpengine.com/?utm_source=wordpress.org&utm_medium=referral&utm_campaign=plugin_directory&utm_content=advanced_custom_fields
  * Update URI:        https://www.advancedcustomfields.com
@@ -36,7 +36,7 @@ class ACF {
 		 *
 		 * @var string
 		 */
-		public $version = '6.4.0';
+		public $version = '6.4.0.1';
 
 		/**
 		 * The plugin settings array.

readme.txt

@@ -2,9 +2,9 @@
 Contributors: deliciousbrains, wpengine, elliotcondon, mattshaw, lgladdy, antpb, johnstonphilip, dalewilliams, polevaultweb
 Tags: acf, fields, custom fields, meta, repeater
 Requires at least: 6.0
-Tested up to: 6.7.2
+Tested up to: 6.8
 Requires PHP: 7.4
-Stable tag: 6.4.0
+Stable tag: 6.4.0.1
 License: GPLv2 or later
 License URI: https://www.gnu.org/licenses/gpl-2.0.html
 
@@ -94,6 +94,11 @@ From your WordPress dashboard
 
 == Changelog ==
 
+= 6.4.0.1 =
+*Release Date 8th April 2025*
+
+* Fix - Calling `acf_get_reference()` with an invalid field name no longer causes a fatal error
+
 = 6.4.0 =
 *Release Date 7th April 2025*
 

src/Meta/MetaLocation.php

@@ -109,7 +109,7 @@ public function get_value( $object_id = 0, array $field = array() ) {
 	 * @param string         $field_name The name of the field to get the reference for.
 	 * @return string|null
 	 */
-	public function get_reference( $object_id = 0, string $field_name = '' ) {
+	public function get_reference( $object_id = 0, $field_name = '' ) {
 		$reference = get_metadata( $this->location_type, $object_id, $this->reference_prefix . $field_name );
 		return $reference[0] ?? null;
 	}