Ticket #50570: 50570.diff

src/wp-includes/sitemaps/providers/class-wp-sitemaps-posts.php

@@ -101 +101 @@
                 if ( 'page' === $post_type && 1 === $page_num && 'posts' === get_option( 'show_on_front' ) ) {
                         // Extract the data needed for home URL to add to the array.
                         $sitemap_entry = array(
-                                'loc' => home_url(),
+                                'loc' => home_url( '/' ),
                         );
 
                         /**