Patterns: add a custom taxonomy for user created patterns (#53163)

lib/compat/wordpress-6.4/block-patterns.php

@@ -0,0 +1,36 @@
+<?php
+/**
+ * Overrides Core's wp-includes/block-patterns.php to add new wp_patterns taxonomy for WP 6.4.
+ *
+ * @package gutenberg
+ */
+
+/**
+ * Adds a new taxonomy for organizing user created patterns.
+ *
+ * Note: This should be removed when the minimum required WP version is >= 6.4.
+ *
+ * @see https://github.com/WordPress/gutenberg/pull/53163
+ *
+ * @return void
+ */
+function gutenberg_register_taxonomy_patterns() {
+	$args = array(
+		array(
+			'public'            => false,
+			'hierarchical'      => false,
+			'labels'            => array(
+				'name'          => _x( 'Pattern Categories', 'taxonomy general name' ),
+				'singular_name' => _x( 'Pattern Category', 'taxonomy singular name' ),
+			),
+			'query_var'         => false,
+			'rewrite'           => false,
+			'show_ui'           => false,
+			'_builtin'          => true,
+			'show_in_nav_menus' => false,
+			'show_in_rest'      => true,
+		),
+	);
+	register_taxonomy( 'wp_pattern_category', array( 'wp_block' ), $args );
+}
+add_action( 'init', 'gutenberg_register_taxonomy_patterns' );

lib/load.php

@@ -121,6 +121,7 @@ function gutenberg_is_experiment_enabled( $name ) {
 
 // WordPress 6.4 compat.
 require __DIR__ . '/compat/wordpress-6.4/blocks.php';
+require __DIR__ . '/compat/wordpress-6.4/block-patterns.php';
 
 // Experimental features.
 require __DIR__ . '/experimental/block-editor-settings-mobile.php';