Related Posts: check for any single post without regard for post type. (

#39730)

projects/plugins/jetpack/changelog/add-rp-support-on-pages

@@ -0,0 +1,4 @@
+Significance: minor
+Type: compat
+
+Related Posts: allow Related Posts on non-post CPTs where the block is already able to be used.

projects/plugins/jetpack/modules/related-posts/jetpack-related-posts.php

@@ -1883,18 +1883,19 @@ protected function log_click( $post_id, $to_post_id, $link_position ) { // phpcs
 	/**
 	 * Determines if the current post is able to use related posts.
 	 *
-	 * @uses self::get_options, is_admin, is_single, apply_filters
+	 * @since $$next-version$$ Checks for singular instead of single to allow usage on non-posts CPTs.
+	 * @uses self::get_options, is_admin, is_singular, apply_filters
 	 * @return bool
 	 */
 	protected function enabled_for_request() {
-		$enabled = is_single()
+		$enabled = is_singular()
 			&& ! is_attachment()
 			&& ! is_admin()
 			&& ! is_embed()
 			&& ( ! $this->allow_feature_toggle() || $this->get_option( 'enabled' ) );
 
 		/**
-		 * Filter the Enabled value to allow related posts to be shown on pages as well.
+		 * Filter the Enabled value to allow related posts to be selectively enabled/disabled.
 		 *
 		 * @module related-posts
 		 *