XML sitemap is essential for the optimization of our WordPress website. Many webmasters choose to use the WordPress sitemap plugin to realize this function. You have also used the WordPress sitemap plugin, which is very convenient.
But since the upgrade to WordPress 5.5, the theme has been written in the WordPress sitemap plugin, because WordPress already has a built-in XML sitemap.
XML sitemap will be built in WordPress 5.5, and WordPress will export a sitemap index file / WP-sitemap.xml .
Automatically created by WordPress robots.txt The file will refer to the XML sitemap index so that search engines can easily find it.
This function can be said to be very conscientious, you can try it.