For over a year, Google said it is working with the WordPress team to build in to the core of WordPress the ability to generate XML Sitemaps. Well, now with WordPress 5.5 it is now out. Pascal Birchler from Google announced on WordPress.org “in WordPress 5.5, a new feature is being introduced that adds basic, extensible XML sitemaps functionality into WordPress core.”
With version 5.5 of WordPress your WordPress site will expose a sitemap index at /wp-sitemap.xml. This is the main XML file that contains the listing of all the sitemap pages exposed by a WordPress site, Pascal said….