wp-includes/sitemaps.php:52Gets an array of sitemap providers.
WP_Sitemaps_Provider[]function wp_get_sitemap_providers() { $sitemaps = wp_sitemaps_get_server(); return $sitemaps->registry->get_providers();}Introduced in 5.5.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/sitemaps.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.